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Engine Cooling
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST B: COOLANT PUMP DOES NOT OPERATE
TEST STEP
ACTION TO TAKE
•
With key OFF, disconnect coolant pump C1998.
Yes =
REPLACE the coolant
pump.
•
Enter the IAA module active command mode CLIMATE SYSTEM
No =
GO to B4.
CONTROL, set the active command PUMP/VBC to ON, and measure
the voltage between the W/R wire and BK wire on coolant pump C1998.
•
Is the voltage greater than 10 volts?
B4 CHECK GROUND TO COOLANT PUMP
•
With key OFF, measure the resistance between the BK wire on coolant
Yes =
GO to B5.
pump C1998 and ground.
•
Is the resistance less than 5 ohms?
No =
REPAIR the BK wire.
B5 CHECK COOLANT PUMP RELAY CONTROL CIRCUIT
•
With key OFF, remove the coolant pump relay from the EVPDB.
Yes =
GO to B7.
•
Enter the IAA module active command mode CLIMATE SYSTEM
No =
GO to B6.
CONTROL, set the active command PUMP/VBC to ON, and measure
the resistance between pin 86 on the coolant pump relay connector and
ground.
•
Is the resistance less than 5 ohms?
B6 CHECK CIRCUIT 3020 (LB) FOR OPEN
•
Connect 104-Pin Breakout Box (BOB) to IAA module C1945; leave IAA Yes =
REPLACE the IAA module.
module disconnected. REFER to
•
With key OFF, measure the resistance of the LB wire between pin 86 on
No =
REPAIR the LB wire.
the coolant pump relay connector and BOB pin 19.
•
Is the resistance less than 5 ohms?
B7 CHECK CIRCUIT 3229 (W/R) FOR OPEN
•
With key OFF, measure the resistance of the W/R wire between coolant
Yes =
REPLACE the coolant pump
pump C1998 and pin 30 on the coolant pump relay connector.
relay.
•
Is the resistance less than 5 ohms?
No =
REPAIR the W/R wire.
PINPOINT TEST C: COOLANT PUMP RUNS WITH THE IGNITION KEY IN THE OFF POSITION
TEST STEP
ACTION TO TAKE
C1 CHECK CIRCUIT 3229 (W/R) FOR SHORT TO POWER
•
Remove the coolant pump relay from the electric vehicle power
Yes =
GO to C2.
distribution box (EVPDB).
•
Does the coolant pump stop running?
No =
REPAIR the W/R wire.
C2 CHECK COOLANT PUMP RELAY
•
Measure the resistance between terminals 30 and 87 on the coolant pump Yes =
REPLACE the coolant pump
relay.
relay.
•
Is the resistance less than 5 ohms?
No =
GO to C3.
C3 CHECK CIRCUIT 3020 (LB) FOR SHORT TO GROUND
•
With key OFF, disconnect interface adapter assembly (IAA) module
Yes =
REPLACE the IAA module.
C1945 and measure the resistance between pin 86 on the coolant pump REFER to
relay connector and ground.
•
Is the resistance greater than 10,000 ohms?
No =
REPAIR the LB wire.
PINPOINT TEST D: COOLING FAN DOES NOT OPERATE
TEST STEP
ACTION TO TAKE
D1 CHECK FUSE AND POWER TO FAN SPEED RELAYS
•
Check 50A fuse 5 in the electric vehicle power distribution box
Yes =
RECONNECT the fan speed
(EVPDB).
(Continued)
2001 Ranger EV, 01/2001
Содержание 2001 Ranger
Страница 28: ......
Страница 138: ...206 04 7 206 04 7 Rear Disc Brake REMOVAL AND INSTALLATION Continued 2001 Ranger EV 01 2001...
Страница 220: ...303 01 15 303 01 15 Basic Motor Transaxle REMOVAL AND INSTALLATION Continued 2001 Ranger EV 01 2001...
Страница 221: ...303 01 16 303 01 16 Basic Motor Transaxle REMOVAL AND INSTALLATION Continued 2001 Ranger EV 01 2001...
Страница 252: ...303 14 9 303 14 9 Electric Motor Management REMOVAL AND INSTALLATION Continued 2001 Ranger EV 01 2001...
Страница 253: ...303 14 10 303 14 10 Electric Motor Management REMOVAL AND INSTALLATION Continued 2001 Ranger EV 01 2001...
Страница 820: ......
Страница 821: ......
Страница 822: ......
Страница 823: ......
Страница 828: ...2001 RANGER ELECTRIC VEHICLE 1 4 TABLE OF CONTENTS INDEX...
Страница 864: ...2001 RANGER ELECTRIC VEHICLE 11 10 FUSE PANEL CIRCUIT PROTECTION...
Страница 866: ...2001 RANGER ELECTRIC VEHICLE 12 2 AUXILIARY BATTERY CHARGING SYSTEM...
Страница 900: ...2001 RANGER ELECTRIC VEHICLE 13 34 POWER DISTRIBUTION HIGH VOLTAGE...
Страница 906: ...2001 RANGER ELECTRIC VEHICLE 14 6 MULTIPLEX COMMUNICATION NETWORK...
Страница 932: ...2001 RANGER ELECTRIC VEHICLE 19 4 TRACTION BATTERY COOLING VENTILATION...
Страница 938: ...2001 RANGER ELECTRIC VEHICLE 21 4 CONTACTOR BOX RELAY CONTROL...
Страница 944: ...2001 RANGER ELECTRIC VEHICLE 33 2 COOLING SYSTEM...
Страница 946: ...2001 RANGER ELECTRIC VEHICLE 37 2 SHIFT LOCK...
Страница 950: ...2001 RANGER ELECTRIC VEHICLE 42 4 ANTI LOCK BRAKE SYSTEM ABS...
Страница 954: ...2001 RANGER ELECTRIC VEHICLE 44 2 HORN CIGAR LIGHTER...
Страница 964: ...2001 RANGER ELECTRIC VEHICLE 53 8 HEATER...
Страница 972: ...2001 RANGER ELECTRIC VEHICLE 54 8 AIR CONDITIONER HEATER...
Страница 994: ...2001 RANGER ELECTRIC VEHICLE 71 6 INSTRUMENT ILLUMINATION...
Страница 1000: ...2001 RANGER ELECTRIC VEHICLE 81 6 INTERVAL WIPER WASHER...
Страница 1014: ...2001 RANGER ELECTRIC VEHICLE 90 10 TURN STOP HAZARD LAMPS...
Страница 1028: ...2001 RANGER ELECTRIC VEHICLE 124 2 POWER MIRRORS...
Страница 1030: ...2001 RANGER ELECTRIC VEHICLE 130 2 RADIO...
Страница 1032: ...2001 RANGER ELECTRIC VEHICLE 139 2 VACUUM SYSTEM...
Страница 1154: ...2001 RANGER ELECTRIC VEHICLE 150 110 CONNECTOR FACES C1985 10B691 1203 BK LB 3759 DG WH LOWER REAR PACK TEMPERATURE SENSOR 4 1 2...
Страница 1192: ...2001 RANGER ELECTRIC VEHICLE 151 30 COMPONENT LOCATION VIEWS...
Страница 1214: ...2001 RANGER ELECTRIC VEHICLE 152 22 NOTES...
Страница 1218: ...2001 RANGER ELECTRIC VEHICLE 153 7 NOTES...