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2000 MR2 (EWD408U)

34

G ELECTRICAL WIRING ROUTING

Position of Parts in Body

A 10 A/C Condenser Fan Motor
A 11 A/C Triple Pressure SW

(A/C Dual and Single Pressure SW)

A 12 ABS Actuator
A 13 ABS Actuator
A 14 ABS Speed Sensor Front LH
A 15 ABS Speed Sensor Front RH
A 16 Auto Antenna Motor
A 17 Auto Antenna Relay

B 9 Brake Fluid Level Warning SW

D 6 Door Courtesy SW LH
D 7 Door Courtesy SW RH
D 8 Door Lock Motor, Door Key Lock and Unlock SW and

Door Unlock Detection SW LH

D 9 Door Lock Motor, Door Key Lock and Unlock SW and

Door Unlock Detection SW RH

E 2 Engine Control Module
E 3 Engine Control Module
E 4 Engine Control Module
E 5 Engine Control Module

F 1 Front Airbag Sensor LH
F 2 Front Airbag Sensor RH
F 3 Front Door Speaker LH
F 4 Front Door Speaker RH
F 5 Front Parking Light LH
F 6 Front Parking Light RH
F 7 Front Side Marker Light LH
F 8 Front Side Marker Light RH
F 9 Front Turn Signal Light LH
F 10 Front Turn Signal Light RH
F 11 Front Wiper Motor
F 12 Fuel Pump and Fuel Sender

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Summary of Contents for 2000 MR2 Spyder

Page 1: ... prepared to provide information on the electrical system of the 2000 MR2 Applicable models ZZW30 Series For service specifications and repair procedures of the above models other than those listed in this manual refer to the following manuals Manual Name Pub No 2000 MR2 Repair Manual 2000 MR2 New Car Features RM760U NCF179U All information in this manual is based on the latest product information...

Page 2: ... closely related to the system circuit INDEX Index of the system circuits H SYSTEM CIRCUITS Electrical circuits of each system are shown from the power supply through ground points Wiring connections and their positions are shown and classified by code according to the connection method Refer to the section How to use this manual The System Outline and Service Hints useful for troubleshooting are ...

Page 3: ...t see Power Source section and the ground points see Ground Point section See the System Outline to understand the circuit operation When the circuit operation is understood begin troubleshooting of the problem circuit to isolate the cause Use Relay Location and Electrical Wiring Routing sections to find each part junction block and wiring harness connectors wiring harness and wiring harness conne...

Page 4: ... W G S D S D C 7 SHIELDED BV1 1 I 5 L L STOP LIGHT 15 7 TO ABS ECU BO 50 15A STOP IB IB REAR LIGHTS WARNING LIGHT COMB METER 3C 3C IE1 14 STOP LIGHT SW STOP LIGHT RH REAR COMB LIGHT RH STOP LIGHT RH REAR COMB LIGHT LH HIGH MOUNTED STOP LIGHT A B I D F H E J M N K L G C LIGHT FAILURE SENSOR 2000 MR2 EWD408U 4 B HOW TO USE THIS MANUAL The system shown here is an EXAMPLE ONLY It is different to the a...

Page 5: ... code is shown beside it Junction Blocks are shaded to clearly separate them from other parts 3C indicates that it is inside Junction Block No 3 Example H When 2 parts both use one connector in common the parts connector name used in the wire routing section is shown in square brackets I Indicates the wiring color Wire colors are indicated by an alphabetical code B Black W White BR Brown L Blue V ...

Page 6: ...W is turned off S6 STOP LIGHT SW 2 1 Closed with the brake pedal depressed L4 LIGHT FAILURE SENSOR 1 2 7 GROUND Approx 12 volts with the stop light SW on 4 8 GROUND Approx 12 volts with the ignition SW at ON position 11 GROUND Always continuity PARTS LOCATION Code See Page Code See Page Code See Page C7 34 L4 36 R7 37 H17 36 R6 37 S6 35 RELAY BLOCKS Code See Page Relay Blocks Relay Block Location ...

Page 7: ...owing the position on the vehicle of J B and Wire Harness in the system circuit Example Connector 3C connects the Instrument Panel Wire and J B No 3 It is described on page 22 of this manual and is installed on the instrument panel left side T Indicates the reference page describing the wiring harness and wiring harness connector the female wiring harness is shown first followed by the male wiring...

Page 8: ...TION METER COMBINATION METER FUEL SENDER CIGARETTE LIGHTER O D MAIN SW CLOCK 5 5 5 5 4 4 4 4 4 BA1 5 IB1 8 EA2 10 3E 5 3E 6 3G 13 3F 3 3D 1 3B 7 ID1 15 IC3 3 IA1 2 E 3 A A A W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B BR W B BR BR W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B BR W B BR BR BR W B W B W B W B W...

Page 9: ...OCK CB 2 1 1 2 4 8 2 3 3 4 G W R P L B Y B Y W R AM2 IG2 ACC IG1 AM1 W W W R W W W B 2 1 1 1 1 1 2 2 2 2 3 4 3 4 1 2 1 2 2 1 1 1 1 IGNITION SW I 8 Battery 30A AM2 2 Starter S 2 20A RADIO NO 1 10A HORN 15A EFI 7 5A DOME Short Pin 10A HAZARD The chart below shows the route by which current flows from the battery to each electrical source Fusible Link Circuit Breaker Fuse etc and other parts Engine R...

Page 10: ...minal Junction Connector Short Terminal Same Color Junction connector in this manual include a short terminal which is connected to a number of wire harnesses Always perform inspection with the short terminal installed When installing the wire harnesses the harnesses can be connected to any position within the short terminal grouping Accordingly in other vehicles the same position in the short ter...

Page 11: ...ctuator 90980 11070 90980 11237 90980 10943 90980 11413 90980 11151 D 4 D 5 D 6 D 7 D 8 D 9 D10 D11 Diode Door Courtesy Light Diode Key Off Operation Diode Luggage Compartment Light Door Lock Control Relay Door Courtesy Light LH Door Courtesy Light RH Door Courtesy SW LH Door Courtesy SW RH 90980 11608 90980 10962 90980 11608 90980 10848 90980 11148 90980 11097 A 8 ABS Speed Sensor Front LH 90980 ...

Page 12: ...to the connector or component terminal This check can be done with a test light instead of a voltmeter CONTINUITY AND RESISTANCE CHECK a Disconnect the battery terminal or wire so there is no voltage between the check points b Contact the two leads of an ohmmeter to each of the check points If the circuit has diodes reverse the two leads and check again When contacting the negative lead to the dio...

Page 13: ...t The short lies between the connector where the test light stays lit and the connector where the light goes out e Find the exact location of the short by lightly shaking the problem wire along the body CAUTION a Do not open the cover or the case of the ECU unless absolutely necessary If the IC terminals are touched the IC may be destroyed by static electricity b When replacing the internal mechan...

Page 14: ...e left 2 DISCONNECT CONNECTOR 3 DISENGAGE THE SECONDARY LOCKING DEVICE OR TERMINAL RETAINER a Locking device must be disengaged before the terminal locking clip can be released and the terminal removed from the connector b Use a special tool or the terminal pick to unlock the secondary locking device or terminal retainer NOTICE Do not remove the terminal retainer from connector body A For Non Wate...

Page 15: ...etainer Connector Body Black or White Gray Black or White Dark Gray Gray or White Black Case 1 Type where terminal retainer is pulled up to the temporary lock position Pull Type Insert the special tool into the terminal retainer access hole Mark and pull the terminal retainer up to the temporary lock position HINT The needle insertion position varies according to the connector s shape Number of te...

Page 16: ...e locking lug from terminal and pull the terminal out from rear 4 INSTALL TERMINAL TO CONNECTOR a Insert the terminal HINT 1 Make sure the terminal is positioned correctly 2 Insert the terminal until the locking lug locks firmly 3 Insert the terminal with terminal retainer in the temporary lock position b Push the secondary locking device or terminal retainer in to the full lock position 5 CONNECT...

Page 17: ...to the connector or component terminal This check can be done with a test light instead of a voltmeter CONTINUITY AND RESISTANCE CHECK a Disconnect the battery terminal or wire so there is no voltage between the check points b Contact the two leads of an ohmmeter to each of the check points If the circuit has diodes reverse the two leads and check again When contacting the negative lead to the dio...

Page 18: ...t The short lies between the connector where the test light stays lit and the connector where the light goes out e Find the exact location of the short by lightly shaking the problem wire along the body CAUTION a Do not open the cover or the case of the ECU unless absolutely necessary If the IC terminals are touched the IC may be destroyed by static electricity b When replacing the internal mechan...

Page 19: ...e left 2 DISCONNECT CONNECTOR 3 DISENGAGE THE SECONDARY LOCKING DEVICE OR TERMINAL RETAINER a Locking device must be disengaged before the terminal locking clip can be released and the terminal removed from the connector b Use a special tool or the terminal pick to unlock the secondary locking device or terminal retainer NOTICE Do not remove the terminal retainer from connector body A For Non Wate...

Page 20: ...etainer Connector Body Black or White Gray Black or White Dark Gray Gray or White Black Case 1 Type where terminal retainer is pulled up to the temporary lock position Pull Type Insert the special tool into the terminal retainer access hole Mark and pull the terminal retainer up to the temporary lock position HINT The needle insertion position varies according to the connector s shape Number of te...

Page 21: ...e locking lug from terminal and pull the terminal out from rear 4 INSTALL TERMINAL TO CONNECTOR a Insert the terminal HINT 1 Make sure the terminal is positioned correctly 2 Insert the terminal until the locking lug locks firmly 3 Insert the terminal with terminal retainer in the temporary lock position b Push the secondary locking device or terminal retainer in to the full lock position 5 CONNECT...

Page 22: ...blocks reverse flow only up to a specific voltage Above that potential it passes the excess voltage This acts as a simple voltage regulator LIGHT Current flow through a filament causes the filament to heat up and emit light PHOTODIODE The photodiode is a semiconductor which controls the current flow according to the amount of light LED LIGHT EMITTING DIODE Upon current flow these diodes emit light...

Page 23: ...ositions which allows various circuits particularly the primary ignition circuit to become operational RESISTOR VARIABLE or RHEOSTAT A controllable resistor with a variable rate of resistance Also called a potentiometer or rheostat SENSOR Thermistor A resistor which varies its resistance with temperature SWITCH WIPER PARK Automatically returns wipers to the stop position when the wiper switch is t...

Page 24: ...2000 MR2 EWD408U 20 F RELAY LOCATIONS Engine Compartment Instrument Panel ...

Page 25: ...2000 MR2 EWD408U 21 F Body ...

Page 26: ...2000 MR2 EWD408U 22 F RELAY LOCATIONS 1 Fusible Link Block Engine Compartment Left See Page 20 J B No 1 Engine Compartment Left See Page 20 ...

Page 27: ...2000 MR2 EWD408U 23 F 2 Engine Room R B Left Side of Room Partition Panel See Page 20 ...

Page 28: ...2000 MR2 EWD408U 24 F RELAY LOCATIONS 3 R B No 3 Left Side of Instr ment Panel See Page 20 J B No 3 Left Side of Instrument Panel See Page 20 ...

Page 29: ...2000 MR2 EWD408U 25 F 4 R B No 4 Front Compartment Left See Page 21 J B No 4 Front Compartment Left See Page 21 ...

Page 30: ...2000 MR2 EWD408U 26 F RELAY LOCATIONS J B No 6 Instrument Panel Brace LH See Page 20 ...

Page 31: ...2000 MR2 EWD408U 27 F J B No 6 Inner Circuit ...

Page 32: ...2000 MR2 EWD408U 28 F RELAY LOCATIONS 5 R B No 5 Front Compartment Right See Page 21 ...

Page 33: ...2000 MR2 EWD408U 29 MEMO ...

Page 34: ...3 Crankshaft Position Sensor E 1 Engine Coolant Temp Sensor G 1 Generator G 2 Generator H 1 Heated Oxygen Sensor Bank 1 Sensor 1 H 2 Heated Oxygen Sensor Bank 1 Sensor 2 H 3 Heated Oxygen Sensor Bank 2 Sensor 1 H 4 High Mounted Stop Light I 1 Idle Air Control Valve I 2 Ignition Coil and Igniter No 1 I 3 Ignition Coil and Igniter No 2 I 4 Ignition Coil and Igniter No 3 I 5 Ignition Coil and Igniter...

Page 35: ... L 1 License Plate Light LH L 2 License Plate Light RH M 1 Mass Air Flow Meter N 1 Noise Filter Ignition O 1 Oil Pressure SW R 1 Rear Combination Light LH R 2 Rear Combination Light RH S 1 Starter S 2 Starter T 1 Throttle Position Sensor V 1 VSV Canister Closed Valve V 2 VSV EVAP ...

Page 36: ... B 7 Buckle SW and Tension Reducer LH B 8 Buckle SW RH and Seat Belt Warning Occupant Detection Sensor C 4 Center Airbag Sensor Assembly C 5 Center Airbag Sensor Assembly C 6 Center Airbag Sensor Assembly C 7 Cigarette Light C 8 Clock C 9 Clutch Start SW C10 Combination Meter C11 Combination Meter C12 Combination Meter C13 Combination SW C14 Combination SW C15 Combination SW D 1 Data Link Connecto...

Page 37: ...anual ON OFF SW P 3 Passenger Airbag Manual ON OFF SW P 4 Power Window Control SW LH P 5 Power Window Control SW RH R 3 Radio and Player R 4 Radio and Player R 5 Rear Window Defogger Relay R 6 Rheostat R 7 Remote Control Mirror SW S 3 Short Connector SRS No 1 S 4 Short Connector SRS No 1 S 5 Short Connector SRS No 2 S 6 Short Connector SRS No 2 S 7 Stop Light SW T 2 Transponder Key Amplifier T 3 T...

Page 38: ...Lock Motor Door Key Lock and Unlock SW and Door Unlock Detection SW LH D 9 Door Lock Motor Door Key Lock and Unlock SW and Door Unlock Detection SW RH E 2 Engine Control Module E 3 Engine Control Module E 4 Engine Control Module E 5 Engine Control Module F 1 Front Airbag Sensor LH F 2 Front Airbag Sensor RH F 3 Front Door Speaker LH F 4 Front Door Speaker RH F 5 Front Parking Light LH F 6 Front Pa...

Page 39: ...teering ECU P 9 Power Window Motor LH P10 Power Window Motor RH P 11 Pretensioner LH P12 Pretensioner RH R 8 Radiator Fan Motor R 9 Rear Window Defogger R10 Remote Control Mirror LH R11 Remote Control MIrror RH S 8 Short Connector Rear Window Defogger S 9 Short Connector Rear Window Defogger T 4 Tension Reducer Solenoid LH T 5 Tweeter LH T 6 Tweeter RH V 3 Vapor Pressure Sensor V 4 VSV Pressure Sw...

Page 40: ...2000 MR2 EWD408U 36 G ELECTRICAL WIRING ROUTING Location of Connector Joining Wire Harness and Wire Harness Location of Ground Points Location of Splice Points ...

Page 41: ...00 MR2 EWD408U 37 G Connector Joining Wire Harness and Wire Harness 1 1 EA1 DARK GRAY Code Joining Wire Harness and Wire Harness Connector Location EA1 Engine No 4 Wire and Engine Wire Near the Generator ...

Page 42: ...2000 MR2 EWD408U 38 G ELECTRICAL WIRING ROUTING Location of Connector Joining Wire Harness and Wire Harness Location of Ground Points ...

Page 43: ... Room Main Wire and Luggage Room Wire Left Kick Panel IB1 Luggage Room Wire and Instrument Panel Wire Left Kick Panel IC1 IC2 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IC3 g ID1 Front Door LH Wire and Instrument Panel Wire Left Kick Panel ID2 Front Door LH Wire and Instrument Panel Wire Left Kick Panel IE1 Engine Room Main Wire and Instrument Panel Wire Left Side of Instrumen...

Page 44: ...2000 MR2 EWD408U 40 G ELECTRICAL WIRING ROUTING Location of Connector Joining Wire Harness and Wire Harness Location of Splice Points ...

Page 45: ...ggage Room Wire and Instrument Panel Wire Under the Instrument Panel Center IG2 Luggage Room Wire and Instrument Panel Wire Under the Instrument Panel Center IH1 Instrument Panel Wire and Luggage Room Wire Under the Instrument Panel Center II1 Front Door RH Wire and Instrument Panel Wire Right Kick Panel II2 Front Door RH Wire and Instrument Panel Wire Right Kick Panel IJ1 Floor Wire and Instrumen...

Page 46: ...2000 MR2 EWD408U 42 G ELECTRICAL WIRING ROUTING Location of Connector Joining Wire Harness and Wire Harness Location of Ground Points Location of Splice Points ...

Page 47: ... 9 10 7 14 13 6 5 12 11 4 3 10 9 2 1 8 7 14 6 13 5 12 4 11 3 10 2 9 1 8 BA1 BB1 BC1 BC2 BC3 ORANGE GRAY Code Joining Wire Harness and Wire Harness Connector Location BA1 Engine Room Main Wire and Floor Wire Right Side of Room Partition Panel BB1 Engine Room No 4 Wire and Engine Room Main Wire Left Side of Room Partition Panel BC1 BC2 Engine Wire and Engine Room Main Wire Quarter Panel LH BC3 g g Q...

Page 48: ...2000 MR2 EWD408U 138 J POWER SOURCE Current Flow Chart ...

Page 49: ...2000 MR2 EWD408U 139 J ...

Page 50: ...gnition 56 50 20A DRL NO 2 Headlight 68 40A HTR Air Conditioning 130 40A MAIN Engine Control Headlight Starting and Ignition 56 68 50 100A ALT Charging 54 R B No 3 See Page 24 Fuse System Page 7 5A ECU IG ABS EHPS 118 116 7 5A FAN IG Radiator Fan and Condenser Fan 128 7 5A GAUGE ABS Auto Antenna Back Up Light Charging Combination Meter Door Lock Control EHPS Engine Control Headlight Light Reminder...

Page 51: ...minder and Key Reminder Buzzer Seat Belt Warning and Electric Tension Reducer 124 68 84 94 96 10A HTR Air Conditioning 130 10A TAIL2 Taillight 72 10A WASHER Wiper and Washer 90 15A CIG Cigarette Lighter and Clock 86 15A DOOR Door Lock Control Light Reminder and Key Reminder Buzzer 100 94 15A RADIO1 Auto Antenna Radio and Player 108 106 15A STOP ABS Engine Control Stop Light 118 56 80 20A D P W Pow...

Page 52: ...nd Condenser Fan 128 30A RDI FAN Radiator Fan and Condenser Fan 128 40A ABS2 ABS 118 50A EHPS EHPS 116 R B No 5 See Page 28 Fuse System Page 10A HEAD LH LWR Headlight 68 10A HEAD LH UPR Headlight 68 10A HEAD RH LWR Headlight 68 10A HEAD RH UPR Headlight 68 These are the page numbers of the first page on which the related system is shown ...

Page 53: ...2000 MR2 EWD408U 143 MEMO ...

Page 54: ...IN RELAY B B G B Y W W L GR 3 2 5 1 15A IG2 5 1 3 2 1 1 ST RELAY 1 3 5 2 1 1 1 1 H LP RELAY E 1 BATTERY B R B W R L L L L FL MAIN 2 0L R Y TO HTR RELAY L B 2 1 7 5A EFI2 1 2 1 1 2 1 1 IA2 1 2 1 40A HTR 1 25A ECU B1 1 2 1 2 1 2 15A STOP 15A DOOR 7 5A OBD 3 1 5 2 IG1 RELAY 2 1 20A P P W 1 2 1 2 25A DEF 3 W 3 E 1 L W R B B Y 20A D P W 25A ACC 100A ALT B G 1A 1 3A 1 B L IE1 2 R B R B 1 2 15A RADIO1 B ...

Page 55: ... 1 7 5A RADIO2 3 2 10A TAIL2 1 2 1 7 5A PANEL 3 2 1 1 2 1 2 1 2 1 2 7 5A FAN IG 7 5A ECU IG 20A WIPER 10A HTR 1 2 1 2 1 2 7 5A SRS 7 5A GAUGE 7 5A TURN 10A WASHER A A B C 3 1 2 7 5A I UP 5 3 1 2 W B B JUNCTION CONNECTOR B J 3 J 4 A R 5 REAR WINDOW DEFOGGER RELAY R B P L W W R W R W L I10 IGNITION SW P L B Y R W R B Y IC1 10 P L 4A 1 B R 1 IA1 7 5 5 5 5 2 5 10A HEAD RH UPR 1 2 1 10A HEAD LH UPR 2 5...

Page 56: ... Side of Room Partition Panel 3 24 R B No 3 Left Side of Instrument Panel 5 28 R B No 5 Front Compartment Right JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Page Junction Block and Wire Harness Connector Location 1A 22 Engine Room Main Wire and J B No 1 Engine Compartment Left 3A 24 Engine Room Main Wire and J B No 3 Left Side of Instrument Panel 4A 25 Luggage Room Wire and J B No 4 Front Co...

Page 57: ...2000 MR2 EWD408U 49 MEMO ...

Page 58: ...M2 IG2 ST2 3 2 5 1 1 1 1 1 IC1 7 BI 2 1 IA1 10 7 5A ST 1 1 IC1 2 2 3 1 5 2 2 2 2 EA IGNITION SW I10 R W R W R W R L R R R W R W L IG2 RELAY ST RELAY B R B B W B W B B B Y B Y W B W B CLUTCH START SW C 9 BATTERY FL MAIN 2 0L 1 1 B L 2 2 1 2 40A MAIN 15A AM2 BC2 7 B L B B M STARTER B S 1 S 2 A B 1 A 1 E 1 B 2 1 ...

Page 59: ...NTROL MODULE D E 3 E 5 B B R B NOISE FILTER IGNITION N 1 IGNITION COIL AND IGNITER NO 1 I 2 IGNITION COIL AND IGNITER NO 2 I 3 IGNITION COIL AND IGNITER NO 3 I 4 IGNITION COIL AND IGNITER NO 4 I 5 B R B R B R W B W B W B B R B R B R W B B R B R B R B R W B W B W B B Y B B Y L B Y L W B Y L B Y B L L W L STA IGF IGT1 IGT2 IGT3 IGT4 W B B Y B Y ...

Page 60: ... Link Block Engine Compartment Left 2 23 Engine Room R B Left Side of Room Partition Panel CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IA1 38 Engine Room Main Wire and Luggage Room Wire Left Kick Panel IC1 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel BC1 42 Engine Wire and Engine Room Main Wire Quarter...

Page 61: ...2000 MR2 EWD408U 53 MEMO ...

Page 62: ...B 4 C 5 B 10 IC2 1 IC2 2 B 10 A 6 C 10 IH IC1 5 BC1 9 A 2 A 1 A 3 B 1 2 2 1 1 R B W L R B R B COMBINATION METER B C10 C11 A C C12 CHARGE L B L B ENGINE CONTROL MODULE B E 2 E 3 A C E 4 100A ALT FL MAIN 2 0L BATTERY MPX1 MPX2 RL W B R B R B W L B G Y W L L IG S B IC REGULATOR GENERATOR B G 1 G 2 A 1 2 B L B G W B ...

Page 63: ...OR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IC1 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IC2 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel BC1 42 Engine Wire and Engine Room Main Wire Quarter Panel LH BC2 42 Engine Wire and Engine Room Main Wire Quarter Panel LH GROUND POINTS Code See...

Page 64: ...2 5 1 7 5A ST 1 1 1 2 2 1 1 1 1 1 IC1 7 3 2 5 1 2 2 5 4 BA1 3 2 1 BI B R W IGNITION SW I10 W R W R R B R W R W R ST RELAY G R C OPN RELAY B R G R B R W B W B FUEL PUMP F12 CLUTCH START SW C 9 BATTERY B L B Y B L FL MAIN 2 0L B Y 2 1 BK B 7 IC1 10 IC1 2 B 2 1 1 2 R W M IA1 10 ...

Page 65: ... INJECTOR NO 4 I 9 INJECTOR NO 3 I 8 INJECTOR NO 2 I 7 INJECTOR NO 1 I 6 B R B R B R B R B R B R B R GR EFI MAIN RELAY IG2 RELAY L W B B W B R B R B R B R GR G R E 2 E 3 2 BC2 10 2 BC1 8 B 7 B 7 7 5A EFI2 B 9 1 B12 2 2 1 B R B R B R B R B R R W B B R B R B R B W B 1 NOISE FILTER IGNITION N 1 B R W B BB1 B B B R 2 B W 1 B R B Y B Y R W B R B 1 BC1 5 2 2 1 1 W B ...

Page 66: ... Y B Y B Y IGNITION COIL AND IGNITER NO 1 I 2 IGNITION COIL AND IGNITER NO 2 I 3 IGNITION COIL AND IGNITER NO 3 I 4 IGNITION COIL AND IGNITER NO 4 I 5 EC GR G R W B B R W B B R W B B R W B B R W B W B W B W B D 25 VSV CANISTER CLOSED VALVE V 1 VSV EVAP V 2 VSV PRESSURE SWITCHING VALVE V 4 IDLE AIR CONTROL VALVE I 1 FROM FAN NO 3 RELAY FROM FAN NO 2 RELAY IGSW BATT B STA CCV EVP1 40 30 20 10 IGT1 I...

Page 67: ...BR C 2 B R Y B V 1 D 22 GENERATOR G 1 OIL PRESSURE SW O 1 1 2 D 23 D 24 B 8 23 CAMSHAFT TIMING OIL CONTROL VALVE C 2 CENTER AIRBAG SENSOR ASSEMBLY C 5 GR G R Y Y B R W B W GR G R E2 VC VTA MASS AIR FLOW METER M 1 THROTTLE POSITION SENSOR T 1 VAPOR PRESSURE SENSOR V 3 ENGINE COOLANT TEMP SENSOR E 1 ACMG LCKI PRE EVG THA VG VC VTA PTNK THW E2 MREL FC RL MOPS OCV OCV F PS 1 GSW2 L ENGINE CONTROL MODU...

Page 68: ...1 B Y 1 W B HT1A OX1A HT1B OX1B NE NE G2 KNK1 C E 4 D E 5 1 1 W 1 1 EB D 31 W B W B E02 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 H 2 B B R 2 4 1 3 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 H 3 B12 C 5 C 21 B 16 IC2 9 18 ABS ECU A 7 TRA R Y R Y 1 1 1 B10 C 17 E1 BR ABS BR BR BR A A A A A A A HT2A OX2A BR BR 1 L B B W BR BR 1 BR BR BR BR BR 15A STOP FROM POWER SOURCE SYSTEM SEE PAGE 46 3 B F A D IJ1 7 BA1 ...

Page 69: ... V W Y R L Y R L B W V W W B W G W G B W B W B SIL BAT CG 1 TACH SPD W MPX1 MPX2 E01 SIL B 8 IE BR 2 BR R B 7 5A GAUGE 3 2 B 10 1 7 5A OBD IC2 8 IC2 7 COMBINATION METER B C10 C11 A B W G DATA LINK CONNECTOR 3 D 1 IC2 BC1 BR BR 5 SG B10 BR BR BR 1 BR 1 BR BR 1 22 1 1 BR BR W B L Y R V W W IC2 4 1 SHIELDED 2 MALFUNCTION INDICATOR LAMP 2 1 SPEEDOMETER TACHOMETER C C12 TC TC P B P B P B 13 B 5 IC2 6F ...

Page 70: ...nput into TERMINAL NE of the engine control module as a control signal 5 Throttle signal circuit The throttle position sensor detects the throttle valve opening angle as a control signal which is input into TERMINAL VTA of the engine control module 6 Vehicle speed circuit The vehicle speed sensor installed inside the transmission detects the vehicle speed and inputs a control signal into TERMINAL ...

Page 71: ...ignal controls the igniter to provide the best ignition timing for the driving conditions Heated oxygen sensor heater control system The heated oxygen sensor heater control system turns the heater on when the intake air volume is low Temp of exhaust emissions is low and warms up the heated oxygen sensors Bank 1 sensor 1 bank 1 sensor 2 bank 2 sensor 1 to improve detection performance of the sensor...

Page 72: ... position RESISTANCE OF ECU WIRING CONNECTORS Disconnect wiring connector VTA E2 3 3 10 0 kΩ Throttle valve fully open 0 2 5 5 kΩ Throttle valve fully closed VC E2 2 0 7 0 kΩ THA E2 2 0 3 0 kΩ Intake air temp 20 C 68 F THW E2 0 2 0 4 kΩ Coolant temp 80 C 176 F RSO E1 19 3 22 3 Ω C OPN RELAY 5 3 Closed with the starter cranking and engine running EFI MAIN RELAY 3 5 Closed with the ignition SW at ON...

Page 73: ...eft Kick Panel IC1 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IC2 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IJ1 40 Floor Wire and Instrument Panel Wire Right Kick Panel BA1 42 Engine Room Main Wire and Floor Wire Right Side of Room Partition Panel BB1 42 Engine Room No 4 Wire and Engine Room Main Wire Left Side of Room Partition Panel BC1 BC2 42 Eng...

Page 74: ...5 B 26 B 7 B 17 A 2 A 16 B 21 A 1 6B 4 6F 4 IF 4 EA SECURITY INDICATOR LIGHT A C SW A 4 UNLOCK WARNING SW U 1 EFI MAIN RELAY ENGINE CONTROL MODULE B E 2 E 3 A B Y B B GR B Y W B L Y Y L B L B Y L Y Y R W G W G Y R W B W B W B W B TXCT RXCK CODE KSW IMLD B Y B MREL BATT IC2 18 B B 5 3 2 4 1 6 TRANSPONDER KEY AMPLIFIER T 2 W B L B Y L Y GND CODE RXCK TXCT B 2 1 W B ...

Page 75: ...ss Connector Location 6A 6B 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6E 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6F CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IC2 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IC3 38 Engine Room Main Wire and Instrument Pane...

Page 76: ...5 5 5 5 IG1 13 5 5 5 5 5 5 IA1 1 3 1 2 3 1 2 B 3 H LP RELAY DRL NO 2 RELAY 10A HEAD RH LWR 10A HEAD LH LWR 10A HEAD RH UPR 10A HEAD LH UPR R B R Y R Y R Y R Y R R B L R B L L L R R L R B R Y R B R R Y B L R Y R Y R Y R Y R G R L HEADLIGHT LH H 6 HEADLIGHT RH H 7 BATTERY 2 2 1 1 1 2 FL MAIN 2 0L 2 2 2 2 1 1 1 1 ...

Page 77: ... L R Y R W 1 6 9 4 7 8 H HI GENERATOR G 1 1 L Y Y R B R B Y R Y W R R B 3 12 5 2 IND 7 R Y R W R R W W B W B W B W B W B R W R W R W R W R W W B B IG CHG 8 13 16 COMBINATION SW C14 DIODE DRL D 4 DRL NO 4 RELAY DAYTIME RUNNING LIGHT RELAY D 2 1 1 2 2 IJ2 5 1 11 B W B W PARKING BRAKE SW P 1 PKB A C B A HIGH BEAM INDICATOR LIGHT COMB METER C10 IG2 6 2 1 BL B W B W B W W B BRAKE FLUID LEVEL WARNING SW...

Page 78: ...2 GROUND Always continuity PARTS LOCATION Code See Page Code See Page Code See Page B9 34 D4 32 J3 A 33 C10 32 G1 30 J4 B 33 C14 32 H6 35 P1 33 D2 32 H7 35 RELAY BLOCKS Code See Page Relay Blocks Relay Block Location 1 22 Fusible Link Block Engine Compartment Left 3 24 R B No 3 Left Side of Instrument Panel 5 28 R B No 5 Front Compartment Right JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Pa...

Page 79: ... Instrument Panel Brace LH IH 38 Right Kick Panel BI 42 Suspension Tower Front RH BL 42 Suspension Tower Front LH SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points E1 36 Engine Room Main Wire B3 42 Luggage Room Wire I7 40 Instrument Panel Wire ...

Page 80: ...L SW IE 10A TAIL2 3 G 3 2 1 W R W W B 16 14 G W 2 1 COMBINATION SW C14 A E B E B E IC1 3 B11 B11 B11 1 2 E 1 1 2 2 5 2 5 BA1 1 EA ED TAILLIGHT LH REAR COMB LIGHT LH R 1 TAILLIGHT RH REAR COMB LIGHT RH R 2 LICENSE PLATE LIGHT RH L 2 LICENSE PLATE LIGHT LH L 1 G G G G G W B W B W B W B W B G G G G G JUNCTION CONNECTOR B J 3 J 4 A G G ...

Page 81: ...D408U 73 IG2 5 I 8 2 1 1 2 1 2 2 1 I 8 I 8 B 4 B 1 BL BI G G G G G G G W B W B W B W B W B W B FRONT SIDE MARKER LIGHT LH F 7 FRONT PARKING LIGHT LH F 5 FRONT PARKING LIGHT RH F 6 FRONT SIDE MARKER LIGHT RH F 8 G ...

Page 82: ...e Harness Connector Location IC1 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IG2 40 Luggage Room Wire and Instrument Panel Wire Under the Instrument Panel Center BA1 42 Engine Room Main Wire and Floor Wire Right Side of Room Partition Panel GROUND POINTS Code See Page Ground Points Location EA 36 Suspension Tower Rear LH ED 36 Suspension Tower Rear RH IE 38 Left Kick Panel B...

Page 83: ...2000 MR2 EWD408U 75 MEMO ...

Page 84: ...IE 7 5A PANEL 3 3 2 1 6E 3 6H 3 10 8 3 2 6G 3 6F 3 6C 3 A 6 A 22 B 2 C 3 I 3 6 4 5 BR W G W G Y G W G W G W G G G G G W G R W W B 16 14 G W 2 1 TAIL RELAY G B 5 A 10 RHEOSTAT R 6 COMBINATION METER B C10 C11 A C C12 HAZARD SW H 5 A C SW A 4 RADIO AND PLAYER B R 3 A R 4 W G COMBINATION SW C14 E RL RV A 12 IH W B W B ILLUMINATION BR ...

Page 85: ...e See Page Relay Blocks Relay Block Location 3 24 R B No 3 Left Side of Instrument Panel JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Page Junction Block and Wire Harness Connector Location 6C 6E 6F 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6G 6H GROUND POINTS Code See Page Ground Points Location IE 38 Left Kick Panel IH 38 Right Kick Panel SPLICE POINTS Code See Page W...

Page 86: ... 1 IB1 1 IG2 1 BL BI IH TURN SIGNAL INDICATOR LIGHT COMB METER C10 1 1 2 2 W W G R HAZARD SW H 5 2 1 IE G W G G Y G G B G Y 3 TURN SIGNAL FLASHER RELAY T 3 G B G B G Y W B W B W B W B W B W B G B G Y G B G Y G Y G B G Y G Y G B G B G Y G Y 12 13 14 FRONT TURN SIGNAL LIGHT LH F 9 FRONT TURN SIGNAL LIGHT RH F10 REAR TURN SIGNAL LIGHT LH REAR COMB LIGHT LH R 1 REAR TURN SIGNAL LIGHT RH REAR COMB LIGH...

Page 87: ... AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IB1 38 Luggage Room Wire and Instrument Panel Wire Left Kick Panel IC1 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IG2 40 Luggage Room Wire and Instrument Panel Wire Under the Instrument Panel Center IJ1 40 Floor Wire and Instrument Panel Wire Right Kick Panel GROUND POINTS Code See Page...

Page 88: ...EM SEE PAGE 46 3 1 2 B F A D IJ1 7 B 5 B 5 BA1 2 2 6 2 6 1 2 E 5 EA ED 2 1 STOP LIGHT SW S 7 JUNCTION CONNECTOR B J 3 J 4 A W G W G W G G G W B W B W B W B G G STOP LIGHT LH REAR COMB LIGHT LH R 1 STOP LIGHT RH REAR COMB LIGHT RH R 2 HIGH MOUNTED STOP LIGHT H 4 G ...

Page 89: ...E HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IJ1 40 Floor Wire and Instrument Panel Wire Right Kick Panel BA1 42 Engine Room Main Wire and Floor Wire Right Side of Room Partition Panel GROUND POINTS Code See Page Ground Points Location EA 36 Suspension Tower Rear LH ED 36 Suspension Tower Rear RH SPLICE POINTS Code See Page Wire Harness with Spl...

Page 90: ...5A GAUGE FROM POWER SOURCE SYSTEM SEE PAGE 46 3 IC1 5 BC1 9 1 2 BC1 7 B 8 2 1 BA1 7 2 1 ED EA 2 1 R B R B R B BACK UP LIGHT SW B 1 R L R L R L R L W B W B R L BACK UP LIGHT LH REAR COMB LIGHT LH R 1 BACK UP LIGHT RH REAR COMB LIGHT RH R 2 ...

Page 91: ...Joining Wire Harness and Wire Harness Connector Location IC1 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel BA1 42 Engine Room Main Wire and Floor Wire Right Side of Room Partition Panel BC1 42 Engine Wire and Engine Room Main Wire Quarter Panel LH GROUND POINTS Code See Page Ground Points Location EA 36 Suspension Tower Rear LH ED 36 Suspension Tower Rear RH SPLICE POINTS Code...

Page 92: ... 1 B 18 B 17 B 8 A 8 I 4 2 1 B B A B IJ1 10 IC2 12 1 1 IE IH A 12 JUNCTION CONNECTOR B J 3 A J 4 INTERIOR LIGHT I11 1 OFF R R W R R R R W R W R W BR W B DOOR COMBINATION METER B C10 C11 A R W DIODE DOOR COURTESY D 3 JUNCTION CONNECTOR B J 3 J 4 A R R R W R W DOOR COURTESY SW LH D 6 DOOR COURTESY SW RH D 7 BR W B 2 1 R ...

Page 93: ...ks Relay Block Location 3 24 R B No 3 Left Side of Instrument Panel CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IC2 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IJ1 40 Floor Wire and Instrument Panel Wire Right Kick Panel GROUND POINTS Code See Page Ground Points Location IE 38 Left Kick Panel IH 38 Ri...

Page 94: ...5A RADIO2 FROM POWER SOURCE SYSTEM SEE PAGE 46 3 10A DOME 3 7 5A PANEL 3 15A CIG 3 6E 5 6C 5 B D A F 6E 3 6A 3 6D 4 6E 4 IF 6G 4 JUNCTION CONNECTOR B J 3 J 4 A 2 3 4 1 GR GR R G G R G CLOCK C 8 CIGARETTE LIGHTER C 7 W B W B W B 2 2 2 2 1 1 1 1 P P 1 2 ...

Page 95: ...AD position 2 GROUND Always continuity PARTS LOCATION Code See Page Code See Page Code See Page C7 32 J3 A 33 C8 32 J4 B 33 RELAY BLOCKS Code See Page Relay Blocks Relay Block Location 3 24 R B No 3 Left Side of Instrument Panel JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Page Junction Block and Wire Harness Connector Location 6A 6C 6D 26 Instrument Panel Wire and J B No 6 Instrument Panel ...

Page 96: ...2000 MR2 EWD408U 88 HORN 10A HORN FROM POWER SOURCE SYSTEM SEE PAGE 46 1 2 1 3 2 5 1 2 2 2 2 IA1 6 IC2 11 1 1 1 G W G W W R W R HORN RH H 9 HORN SW COMB SW C13 HORN LH H 8 W W HORN RELAY G W ...

Page 97: ...lock Location 1 22 Fusible Link Block Engine Compartment Left 2 23 Engine Room R B Left Side of Room Partition Panel CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IA1 38 Engine Room Main Wire and Luggage Room Wire Left Kick Panel IC2 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel SERVICE HINTS ...

Page 98: ...AGE 46 10A WASHER 3 IB1 9 1 2 IF1 3 IB1 2 IB1 3 IB1 4 11 16 8 7 17 L Y L Y L W L R L B L W L R L B L L L L IE 2 W B WASHER MOTOR W 2 FRONT WIPER AND WASHER SW COMB SW C15 1 2 W B WASHER SW WIPER SW LOW HIGH B1 INT2 INT1 S 2 1 B INT OFF WF EW ON OFF EW S 2 1 B WF MIST M ...

Page 99: ...2000 MR2 EWD408U 91 20A WIPER 3 BI IB1 5 L L L L L W 5 3 2 1 4 W B FRONT WIPER MOTOR F11 1 2 1 2 B S FROM POWER SOURCE SYSTEM SEE PAGE 46 M L W L R L B L L ...

Page 100: ...wiper mist SW to TERMINAL 2 to GROUND and current flows from TERMINAL 17 of the front wiper and washer SW to TERMINAL 7 to TERMINAL 5 of the front wiper motor to TERMINAL 4 to GROUND causing the front wiper motor to run at low speed 5 WASHER CONTINUOUS OPERATION With the washer SW pushed to on current flows from TERMINAL 2 of the washer motor to TERMINAL 1 to TERMINAL 11 of the front wiper and was...

Page 101: ...2000 MR2 EWD408U 93 GROUND POINTS Code See Page Ground Points Location IE 38 Left Kick Panel BI 42 Suspension Tower Front RH ...

Page 102: ...10 B 2 A 19 2 1 6A 4 6E 4 IF IE 1 1 A B B B B B 2 1 I 2 I 4 LIGHT CONTROL SW COMB SW C14 DOOR COURTESY SW LH D 6 DOOR COURTESY SW RH D 7 UNLOCK WARNING SW U 1 BODY ECU B B 5 B 6 A COMBINATION METER B C10 C11 A W R W W B W B R W R W R W R R W B W B Y R Y R R R W L R G W R G R B R B Y R R R W G R B DCTY PCTY KSW 16 14 JUNCTION CONNECTOR B J 3 J 4 A DIODE DOOR COURTESY D 3 W BUZZER TAIL RELAY 2 2 2 2...

Page 103: ...nger s door open U1 UNLOCK WARNING SW 2 1 Closed with the ignition key in the cylinder PARTS LOCATION Code See Page Code See Page Code See Page B5 A 32 C14 32 J3 A 33 B6 B 32 D3 32 J4 B 33 C10 A 32 D6 34 U1 33 C11 B 32 D7 34 RELAY BLOCKS Code See Page Relay Blocks Relay Block Location 3 24 R B No 3 Left Side of Instrument Panel JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Page Junction Block...

Page 104: ... 6 A 20 A 12 IF IH 4 9 6E 4 6B 4 W R R B R B R B R B TENSION REDUCER SOLENOID LH T 4 COMBINATION METER B C10 C11 A BUZZER SEAT BELT 1 3 2 W B W B W B O O O G G W R W B W B W B W B G BUCKLE SW RH AND SEAT BELT WARNING OCCUPANT DETECTION SENSOR B 8 PASSENGER SEAT BELT WARNING LIGHT A C SW A 4 BUCKLE SW AND TENSION REDUCER LH B 7 G JUNCTION CONNECTOR J 6 2 2 1 1 IE B 8 BR BR L GND 2 1 ...

Page 105: ...MBINATION METER A 12 B 8 GROUND Always continuity B 15 GROUND Continuity with the passenger s door open B 1 GROUND Always approx 12 volts B 10 GROUND Approx 12 volts with the ignition SW at ON position T4 TENSION REDUCER SOLENOID LH 1 GROUND Approx 12 volts with the ignition SW at ON position PARTS LOCATION Code See Page Code See Page Code See Page A4 32 C10 A 32 T4 35 B7 32 C11 B 32 B8 32 J6 35 R...

Page 106: ...2 12 II2 3 1 2 I11 10 7 IE ID2 2 ID2 1 1 2 B 4 B 5 W L B R B BDR1 BDR2 IG DMUP DMDN L PWE DU DDN AUTO 5 4 6 3 4 L O L L B L O L G R G R R G R L R L R L R G W B POWER WINDOW CONTROL SW RH P 5 POWER WINDOW CONTROL SW LH P 4 WINDOW LOCK SW W 1 POWER WINDOW MOTOR LH P 9 POWER WINDOW MOTOR RH P10 3 1 5 2 AUTO DOWN UP DOWN 2 A D U PCT E E2 E1 D U B IH W B I 3 A 25 W B E W B UP DOWN M M ...

Page 107: ...rol SW at DOWN position 6 2 Closed with the power window control SW at UP position P5 POWER WINDOW CONTROL SW RH 4 1 Closed with the power window control SW at DOWN position 4 3 Closed with the power window control SW at UP position W1 WINDOW LOCK SW 7 10 Open with the window lock SW at LOCK position PARTS LOCATION Code See Page Code See Page Code See Page B5 A 32 P5 33 W1 33 B6 B 32 P9 35 P4 33 P...

Page 108: ...K MOTOR DOOR KEY LOCK AND UNLOCK SW AND DOOR UNLOCK DETECTION SW LH D 8 II2 4 II2 5 II2 1 A 23 DOOR LOCK MOTOR DOOR KEY LOCK AND UNLOCK SW AND DOOR UNLOCK DETECTION SW RH D 9 BODY ECU B B 5 B 6 A L R R B R W L B L R L Y L W G W L W L R L B L B L R L W G W L B L R L Y L W L R L B L B 1 2 6 2 2 1 1 B IG LSWD ACT ACT UL3 L2 LSWP L B L R II2 6 L W 3 II2 7 L Y 4 W B W B W B 5 2 B 17 L Y UL2 G W L W ...

Page 109: ...F A 19 BODY ECU B B 5 B 6 A R G B BR W Y R R W R R W W B W B W B JUNCTION CONNECTOR B J 3 J 4 A DOOR COURTESY SW RH D 7 DOOR COURTESY SW LH D 6 R W DOOR LOCK CONTROL SW D 5 UNLOCK WARNING SW U 1 PCTY DCTY UL1 L1 KSW LOCK UNLOCK IE I 9 I 3 ID1 11 II2 8 A 25 W B W B W B W B W B W B W B W B E ...

Page 110: ...ditionally if lock operation is made with the door lock control SW or door key lock and unlock SW unlock operation is automatically made after the lock operation has been completed D6 D7 DOOR COURTESY SW LH RH 1 GROUND Closed with door open D5 DOOR LOCK CONTROL SW 3 1 Closed with LOCK position 6 1 Closed with UNLOCK position D8 DOOR LOCK MOTOR DOOR KEY LOCK AND UNLOCK SW AND DOOR UNLOCK DETECTION ...

Page 111: ...nstrument Panel Wire Left Kick Panel II2 40 Front Door RH Wire and Instrument Panel Wire Right Kick Panel IJ1 40 Floor Wire and Instrument Panel Wire Right Kick Panel GROUND POINTS Code See Page Ground Points Location IE 38 Left Kick Panel IF 38 Instrument Panel Brace LH IH 38 Right Kick Panel SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points...

Page 112: ... ID1 4 II1 6 II1 7 II1 8 REMOTE CONTROL MIRROR SW R 7 6 8 4 3 7 DOWN UP RIGHT LH RH LH LEFT 2 5 SELECT SW LEFT UP RIGHT DOWN OPERATION SW RH HL VL M E HR VR B 1 2 GR GR 3 1 2 3 1 2 BR R BR B LG LG R LG B LG BR R BR B LG LG R LG B LG B LG W B W B LG R LG REMOTE CONTROL MIRROR LH R10 REMOTE CONTROL MIRROR RH R11 BR B LG M M M M ...

Page 113: ...OCKS Code See Page Relay Blocks Relay Block Location 3 24 R B No 3 Left Side of Instrument Panel JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Page Junction Block and Wire Harness Connector Location 6D 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6E 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page ...

Page 114: ...IO2 3 6F 5 6E 5 IJ1 2 4 3 8 ID1 2 ID1 1 V P V P V P 6 2 2 2 1 1 II1 5 LG II1 4 LG L L LG L 1 5 1 1 2 2 IG 7 2 2 1 1 L Y GR L Y B GR B ANT B ACC ANT FL FL FR FR 7 FRONT DOOR SPEAKER LH F 3 FRONT DOOR SPEAKER RH F 4 BR BR AUTO ANTENNA RELAY A17 TWEETER LH T 5 TWEETER RH T 6 GND RADIO AND PLAYER R 3 ...

Page 115: ...ode See Page Junction Block and Wire Harness Connector Location 6E 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6F 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location ID1 38 Front Door LH Wire and Instrument Panel Wire Left Kick Panel II1 40 Front Do...

Page 116: ...RCE SYSTEM SEE PAGE 46 3 7 5A GAUGE 3 7 5A RADIO2 3 IJ1 4 IJ1 6 6G 5 6E 5 IJ1 3 BK IJ1 2 1 2 7 2 3 6 8 B B L R L W W B W B R B L Y GR 4 1 5 IG B ACC ANT UP DOWN R B L Y GR GR AUTO ANTENNA RELAY A17 RADIO AND PLAYER R 3 AUTO ANTENNA MOTOR A16 ANT 2 2 2 1 1 1 GND ...

Page 117: ...tion 3 24 R B No 3 Left Side of Instrument Panel JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Page Junction Block and Wire Harness Connector Location 6E 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6G 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector ...

Page 118: ...2000 MR2 EWD408U 110 MEMO ...

Page 119: ...irs remove the airbag sensor if shocks are likely to be applied to the sensor during repairs Do not expose the steering wheel pad passenger airbag assembly seat belt pretensioner center airbag sensor assembly front airbag sensor assembly directly to hot air or flames Even in cases of a minor collision where the SRS does not deploy the steering wheel pad passenger airbag assembly seat belt pretensi...

Page 120: ... 1 SHORT CONNECTOR SRS NO 1 B S 3 S 4 A IGNITION SW I10 OFF ACC GR GR L W B Y W R Y B R W COMBINATION METER B C10 C11 A 1 2 PASSENGER AIRBAG MANUAL ON OFF INDICATOR A C SW A 4 JUNCTION CONNECTOR J 6 A BUCKLE SW AND TENSION REDUCER LH B 7 SHORT CONNECTOR SRS NO 1 B S 3 A S 4 LBE IG1 O O O O W B GR GR W R CENTER AIRBAG SENSOR ASSEMBLY B C 4 C 5 A C C 6 IG2 R B R B SRS FL MAIN 2 0L L W I 6 R W R W B ...

Page 121: ... BR B W BR W B W B W B W R BR B W BR W P B W G W G P B B Y B Y SHORT CONNECTOR SRS NO 2 B S 5 S 6 A PRETENSIONER RH P12 PRETENSIONER LH P11 AIRBAG SQUIB STEERING WHEEL PAD A 9 AIRBAG SQUIB PASSENGER S AIRBAG ASSEMBLY A 8 Y Y B Y Y B Y Y B Y R Y G Y B Y CENTER AIRBAG SENSOR ASSEMBLY B C 4 C 5 A C C 6 P P D D PL PL PR PR LA TC SIL GSW2 SL SL SR SR W B A B TC SIL L W F PS A 4 B 4 B 1 B 2 B 3 A 3 PASS...

Page 122: ...enger s instrument panel is expanded instantaneously to reduce the impact to the front passenger PARTS LOCATION Code See Page Code See Page Code See Page A4 32 C11 B 32 P2 A 33 A8 32 D1 32 P3 B 33 A9 32 E3 34 P11 35 B7 32 F1 34 P12 35 C4 A 32 F2 34 S3 A 33 C5 B 32 I10 33 S4 B 33 C6 C 32 J1 33 S5 A 33 C10 A 32 J6 35 S6 B 33 RELAY BLOCKS Code See Page Relay Blocks Relay Block Location 1 22 Fusible L...

Page 123: ...2000 MR2 EWD408U 115 MEMO ...

Page 124: ...L O V W ENGINE CONTROL MODULE E 3 A 2 C 4 B 2 BM BL IG1 3 IG1 4 IG1 6 6D 1 6D 2 6E 1 6E 2 C 2 B 3 B R EHPS RELAY TO COMBINATION METER PSCT PS WL SIL TC TC SIL W G P B W W B W B W B W G P B W G P B W DATA LINK CONNECTOR 3 D 1 POWER STEERING WARNING LIGHT COMB METER POWER STEERING ECU B P 6 P 7 A C P 8 B R 7 13 TS G R IG1 5 G R B 7 14 TS PGND IE W B C10 B C11 A B 11 B 10 B 14 A 12 7 5A GAUGE 3 2 1 R...

Page 125: ...ment Left JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Page Junction Block and Wire Harness Connector Location 6D 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6E 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IA1 38 Engine Room Main Wire a...

Page 126: ...0 6H 2 6H 1 6E 1 6E 2 IG1 5 IC2 9 7 16 B 18 L L B R R R B R Y L R B R B L R Y L L R R B R ABS MTR RELAY ABS SOL RELAY W B R G Y R G W G P B G R W G P B G R SP1 WA D G TC TS 7 13 14 SIL TC TS DATA LINK CONNECTOR 3 D 1 G R POWER STEERING ECU P 7 ENGINE CONTROL MODULE E 3 R Y R Y G R TRA MR R SR 2 2 2 1 1 1 ABS ABS ECU B A 6 A 7 A TS ABS COMBINATION METER B C10 C11 A SPEEDOMETER B 12 B 25 W B W B GND...

Page 127: ... SW S 7 JUNCTION CONNECTOR J 4 W B R G W G W B R STP IG1 ABS ACTUATOR B A12 A13 A L L B L W W L W G R W R L R G R B W W R L W W L W G R W R L R G R B W W R A A A A A ABS SPEED SENSOR FRONT RH A15 ABS SPEED SENSOR REAR LH A 2 ABS SPEED SENSOR REAR RH A 3 ABS SPEED SENSOR FRONT LH A14 JUNCTION CONNECTOR J 2 L P L P R G R G Y BR BR Y B W W B W B W B FL FL FR FR RL RL RR RR MT SFRR SFRH SRLR SRLH SRRR...

Page 128: ... as above By repeated pressure reduction holding and increase are repeated to maintain vehicle stability and to improve steerability during sudden braking A6 A A7 B ABS ECU B 13 GROUND Approx 12 volts with the ignition SW at ON position B 5 GROUND Approx 12 volts with the brake pedal depressed B 12 B 25 GROUND Always continuity PARTS LOCATION Code See Page Code See Page Code See Page A2 30 A14 34 ...

Page 129: ...IH 38 Right Kick Panel BL 42 Suspension Tower Front LH BM 42 Suspension Tower Front LH SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points I10 40 Instrument Panel Wire B2 42 Luggage Room Wire I12 40 Instrument Panel Wire ...

Page 130: ...1 A 2 B 2 BK 2 2 1 1 W R B W B W R B REAR WINDOW DEFOGGER RELAY R 5 NOISE FILTER REAR WINDOW DEFOGGER N 2 R DEF JUNCTION CONNECTOR B J 3 J 4 A REAR WINDOW DEFOGGER SW A C SW A 4 B P L P L B COMBINATION METER C11 BR W B W B G B W B SHORT CONNECTOR REAR WINDOW DEFOGGER B S 8 S 9 A SHORT CONNECTOR REAR WINDOW DEFOGGER B S 8 S 9 A B B W B W B W B 2 1 GND REAR WINDOW DEFOGGER R 9 B 2 1 ...

Page 131: ...unction Block and Wire Harness Connector Location 6B 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6E 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IJ1 40 Floor Wire and Instrument Panel Wire Right Kick Panel GROUND POINTS Code See Page Ground P...

Page 132: ... FROM PANEL FUSE FROM ILLUMINATION LIGHT FUEL SENDER F12 FR FV FE MPX2 MPX1 R W W G G W B L B L V W V W V W V W Y Y R Y B Y Y R Y B BR G BR GR R W Y B W G Y G BR A C THERMISTOR A 5 2 SPD SPD V W B 22 IC2 7 B 27 W TACH ENGINE CONTROL MODULE B E 2 E 3 A ILLUMINATION RL RV E POWER STEERING ECU P 7 I 1 BR BR RHEOSTAT R 6 5 6 AM2 IG2 IC1 10 15A AM2 1 1 2 1 IGNITION SW I10 W R W R R W B L B L FL MAIN 2 ...

Page 133: ... C12 C TO ABS ECU A A IG2 6 2 1 BL B 16 IJ2 6 A A JUNCTION CONNECTOR J 6 BRAKE FLUID LEVEL WARNING SW B 9 JUNCTION CONNECTOR J 4 W R R B GR L R B Y R G B W B W B W W B W B W Y R R W R W O O O FROM HEATER RELAY TO POWER STEERING ECU TO UNLOCK WARNING SW TO DOOR COURTESY SW LH TO DIODE DOOR COURTESY W R 2 2 2 1 1 1 TO BUCKLE SW AND TENSION REDUCER LH 6H 5 6E 5 GR FUEL TEMP 7 5A I UP 3 B 5 G B 2 1 ...

Page 134: ...OURCE SYSTEM SEE PAGE 46 3 IH IF FROM HAZARD SW OR TURN SIGNAL SW COMB SW 6H 4 6E 4 6B 4 4 2 9 W R W B W B W B Y R W B G Y G B R W R R COMBINATION METER B C10 C11 A C C12 PASSENGER SEAT BELT WARNING LIGHT A C SW A 4 FROM DAYTIME RUNNING LIGHT RELAY TO ENGINE CONTROL MODULE JUNCTION CONNECTOR B J 3 J 4 A 1 B 15 IJ2 10 G G TO BUCKLE SW RH AND SEAT BELT WARNING OCCUPANT DETECTION SENSOR L GND ...

Page 135: ...lock and Wire Harness Connector Location 6B 6E 26 Instrument Panel Wire and J B No 6 Instrument Panel Brace LH 6H CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IC1 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IC2 38 Engine Room Main Wire and Instrument Panel Wire Left Kick Panel IG1 40 Luggage Room Wire ...

Page 136: ...2 1 4 4 4 4 5 2 4 3 1 4 4 4 4 4 2 5 1 3 4 4 4 4 I 8 1 2 B 4 B 4 3 2 BL IA1 2 IA1 3 RADIATOR FAN MOTOR R 8 A C SINGLE PRESSURE SW A11 W B W B W B W B B B 1 1 2 2 2 1 R L W R L R L L W R R L FAN NO 3 RELAY FAN NO 2 RELAY FAN NO 1 RELAY L B L B B L W B Y G L 3 4 CF FAN ENGINE CONTROL MODULE E 3 W G L B Y G A C CONDENSER FAN MOTOR A10 W B R L L M M ...

Page 137: ...e A10 34 E3 34 A11 34 R8 35 RELAY BLOCKS Code See Page Relay Blocks Relay Block Location 3 24 R B No 3 Left Side of Instrument Panel 4 25 R B No 4 Front Compartment Left CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness Connector Location IA1 38 Engine Room Main Wire and Luggage Room Wire Left Kick Panel IB1 38 Luggage Room Wire and Instrument Pane...

Page 138: ... L R L Y B GR R W W B L L L R W B L R L B HTR RELAY A C COMP RELAY DEF L A C S A C GND ENGINE CONTROL MODULE B E 2 A E 3 LCKI ACMG 4 1 W R B W R B 2 W B BR W B BR G BR BR W B W B W B BR A C MAGNETIC CLUTCH AND LOCK SENSOR A 1 A C THERMISTOR A 5 3 2 4 5 6 8 1 1 BLOWER RESISTOR B 3 W B L W W B L B R BLOWER SW B 4 COMBINATION METER B C10 A C11 C C12 BLOWER MOTOR B 2 2 2 1 1 L W L W IG BI B 18 IA1 9 1...

Page 139: ...hrough the motor flows from TERMINAL 1 of the blower resistor to TERMINAL 3 to TERMINAL 5 of the blower SW to TERMINAL 1 to GROUND At this time resistance of the blower resistor is smaller than at M1 position so the blower motor rotates at medium high speed High speed operation When the blower SW is moved to HI position the current flows to TERMINAL 8 of the blower SW to TERMINAL 1 to GROUND causi...

Page 140: ... Left Kick Panel IE1 38 Engine Room Main Wire and Instrument Panel Wire Left Side of Instrument Panel BC2 42 Engine Wire and Engine Room Main Wire Quarter Panel LH GROUND POINTS Code See Page Ground Points Location EB 36 Engine Block LH IE 38 Left Kick Panel IF 38 Instrument Panel Brace LH IH 38 Right Kick Panel BI 42 Suspension Tower Front RH SPLICE POINTS Code See Page Wire Harness with Splice P...

Page 141: ...2000 MR2 EWD408U 133 MEMO ...

Page 142: ... SW 6G 4 6H 4 6D 4 6F 4 6B 4 6A 4 W B 6E 4 W B W B W B W B W B COMBINATION METER WINDOW LOCK SW DOOR LOCK MOTOR DOOR KEY LOCK AND UNLOCK SW AND DOOR UNLOCK DETECTION SW RH REMOTE CONTROL MIRROR SW COMBINATION SW HTR RELAY IG1 RELAY TURN SIGNAL FLASHER RELAY NOISE FILTER REAR WINDOW DEFOGGER CENTER AIRBAG SENSOR ASSEMBLY I 3 W B W B W B I 3 W B W B I 3 W B W B I 3 W B W B I 3 W B W B I 3 W B W B I ...

Page 143: ... W B W B BR BR W B BR BR E02 E01 E1 ENGINE CONTROL MODULE BR DRL NO 4 RELAY CLUTCH START SW FRONT PARKING LIGHT RH FRONT SIDE MARKER LIGHT RH FRONT WIPER MOTOR FRONT TURN SIGNAL LIGHT RH A C DUAL PRESSURE SW LICENSE PLATE LIGHT RH LICENSE PLATE LIGHT LH REAR COMBINATION LIGHT LH EFI MAIN RELAY IG2 RELAY B 1 B 1 B 1 B 1 B 1 B 1 5 W B W B W B W B W B W B W B W B W B W B W B W B W B BI BJ W B EA BN E...

Page 144: ...4 B 4 W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B W B REAR WINDOW DEFOGGER FUEL PUMP BUCKLE SW RH AND SEAT BELT WARNING OCCUPANT DETECTION SENSOR BUCKLE SW AND TENSION REDUCER LH AUTO ANTENNA RELAY BK ED B 6 B 6 REAR COMBINATION LIGHT RH B 2 A 2 HIGH MOUNTED STOP LIGHT E 5 W B W B W B W B W B W B W B W B W B W B W B W B W B SHORT CONNECTOR REAR WINDOW DEFOGGER B S 8 A S 9 FAN NO 2 ...

Page 145: ... ID1 38 Front Door LH Wire and Instrument Panel Wire Left Kick Panel II2 40 Front Door RH Wire and Instrument Panel Wire Right Kick Panel BC1 42 Engine Wire and Engine Room Main Wire Quarter Panel LH GROUND POINTS Code See Page Ground Points Location EA 36 Suspension Tower Rear LH EB 36 Engine Block LH EC 36 Engine Block LH ED 36 Suspension Tower Rear RH IE 38 Left Kick Panel IF 38 Instrument Pane...

Page 146: ...1 2 1 2 1 2 3 4 5 6 7 8 1 2 1 2 3 4 1 2 3 4 5 6 7 8 2 1 3 4 5 6 7 8 9 101112 13 14 15 16171819 2021222324 25 1 2 3 4 5 6 7 8 9 10 1112 13 14 1516 1718 2 3 4 1 1 2 1 2 1 2 1 2 1 2 1 2 1 2 3 4 5 6 7 8 9 101112 A B A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 B1 B2 B3 B4 B5 B6 GRAY GRAY GRAY YELLOW YELLOW BLACK DARK GRAY GRAY BLACK GRAY GRAY GRAY GRAY GRAY BLACK BLACK B7 B8 B9 C1 C2 C3 ...

Page 147: ... 14 5 4 13 12 3 2 11 1 10 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 1 2 4 7 8 9 10 1112131415 16 17 5 6 3 1 2 3 4 5 6 7 8 9 10 11 12 131415 16 17 18 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 1 2 1 2 3 4 5 6 1 1 1 2 3 4 5 6 1 2 3 4 5 6 2 1 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 D1 D2 D3 D4 YELLOW YELLOW BLUE BLACK BLACK BLACK BLACK D5 D6 D7 D8 D9 BLACK BLA...

Page 148: ...2 6 1314 2021 18 1 3 4 5 6 9 10 12131415 19 20 22 24 28 7 1617 2526 23 2 11 21 8 18 27 1 16 14 13 12 11 8 24 22 20 17 2 10 9 19 18 21 15 23 3 4 5 6 7 2 1 3 4 2 1 3 4 2 1 3 4 1 2 1 2 5 3 4 6 7 8 9 10 1 2 3 1 2 3 1 1 1 2 3 1 2 3 4 E5 F1 F2 F3 F4 F5 F6 YELLOW YELLOW F7 F8 F9 F10 F11 F12 G1 G2 BLACK BLACK E2 E3 E4 BLACK BLACK H1 H2 H3 H4 H5 H6 H7 H8 H9 I1 I2 DARK GRAY DARK GRAY DARK GRAY BLACK BLACK B...

Page 149: ...D E E F F A A A A 2 1 1 2 1 1 2 1 3 4 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 6 7 8 1 2 3 4 1 2 1 2 2 1 2 1 1 2 3 4 5 6 1 2 3 4 5 6 1 2 1 2 1 2 3 4 I3 I4 I5 I6 I7 I8 I9 I10 I11 J1 J2 J3 J4 J5 J6 K1 L1 L2 M1 GRAY BLACK GRAY BLACK GRAY BLACK GRAY BLACK BLACK DARK GRAY BLACK BLACK BLACK N1 N2 O1 P1 P2 P3 P4 P5 P6 P7 P8 GRAY BLACK YELLOW BLACK GRAY GRAY GRAY P9 P10 P11 P12 R1 R2 YELLOW YELLOW ...

Page 150: ... 2 3 1 2 3 1 1 1 2 3 4 1 2 3 4 1 1 1 3 2 4 1 2 1 2 1 2 3 5 4 3 2 1 2 1 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 3 1 2 1 2 3 4 5 6 7 8 9 10 1 2 3 1 2 R3 R4 R5 R6 R7 R8 BLACK GRAY R9 R10 R11 S1 S2 S3 S4 S5 S6 S7 S8 S9 T1 T2 T3 T4 T5 T6 U1 V1 V2 V3 V4 W1 W2 YELLOW YELLOW BLUE BLACK BLACK BLACK BLUE BLACK BLUE BLACK BLACK BLACK BLACK ...

Page 151: ...2000 MR2 EWD408U 149 MEMO ...

Page 152: ...0980 11913 C12 Combination Meter 90980 11923 C13 Combination SW 90980 11986 C14 Combination SW 90980 11672 C15 Combination SW 90980 11594 D 1 Data Link Connector 3 90980 11665 D 2 Daytime Running Light Relay 90980 12034 D 3 Diode Door Courtesy 90980 10962 D 4 Diode DRL 90980 10962 D 5 Door Lock Control SW 90980 10964 D 6 Door Courtesy SW LH 90980 10871 D 7 Door Courtesy SW RH 90980 10871 D 8 Door ...

Page 153: ...0 10860 P11 Pretensioner LH 90980 11862 P12 Pretensioner RH 90980 11862 R 1 Rear Combination Light LH 90980 10988 R 2 Rear Combination Light RH 90980 10988 R 3 Radio and Player 90980 10997 R 4 Radio and Player 90980 10996 R 5 Rear Window Defogger Relay 82660 20340 R 6 Rheostat 90980 11165 R 7 Remote Control Mirror SW 90980 11657 R 8 Radiator Fan Motor 90980 10928 R 9 Rear Window Defogger 90980 108...

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