
A00650
EFI Relay
EFI
AM2
AM1
ALT
Battery
IG Switch
IG
ST
IGN
Park/Neutral
Position Switch
(A/T)
Starter
Relay
Clutch
Start
Switch
(M/T)
Starter
Circuit Opening Relay
L2
L1
Fuel Pump
ECM
FC
Tr
STA
NE
(STA Signal)
(NE Signal)
From
Crankshaft
Position
Sensor
DI
−
118
−
DIAGNOSTICS
ENGINE (3RZ
−
FE)
1996 TOYOTA T100 (RM449U)
Fuel Pump Control Circuit
CIRCUIT DESCRIPTION
In the diagram below, when the engine is cranked, current flows from terminal ST of the ignition switch to
the starter relay coil, the starter relay switches on and current flows to coil L1 of the circuit opening relay.
Thus the circuit opening relay switches on, power is supplied to the fuel pump and the fuel pump operates.
When the STA signal and NE signal are input to the ECM, Tr is turned ON, current flows to coil L2 of the circuit
opening relay, the relay witches on and the fuel pump operates.
While the NE signal is generated (engine running), the ECM keeps Tr ON (circuit opening relay ON) and the
fuel pump also keeps operating.
DI0U8
−
03
Summary of Contents for T100 1996
Page 1: ...1996 TOYOTA T100 Factory Service Manual...
Page 594: ...DI 330 DIAGNOSTICS ANTI LOCK BRAKE SYSTEM 1996 TOYOTA T100 RM449U 4WD Vehicle...
Page 787: ...Z14987 EM 64 ENGINE MECHANICAL 3RZ FE ENGINE UNIT 779 Author Date 1996 TOYOTA T100 RM449U...
Page 840: ...EM 12 ENGINE MECHANICAL 5VZ FE TIMING BELT 831 Author Date 1996 TOYOTA T100 RM449U...
Page 854: ...Z18898 EM 26 ENGINE MECHANICAL 5VZ FE CYLINDER HEAD 845 Author Date 1996 TOYOTA T100 RM449U...
Page 855: ...ENGINE MECHANICAL 5VZ FE CYLINDER HEAD EM 27 846 Author Date 1996 TOYOTA T100 RM449U...
Page 856: ...S05153 EM 28 ENGINE MECHANICAL 5VZ FE CYLINDER HEAD 847 Author Date 1996 TOYOTA T100 RM449U...
Page 857: ...Z18899 ENGINE MECHANICAL 5VZ FE CYLINDER HEAD EM 29 848 Author Date 1996 TOYOTA T100 RM449U...
Page 891: ...ENGINE MECHANICAL 5VZ FE ENGINE UNIT 2WD EM 63 882 Author Date 1996 TOYOTA T100 RM449U...
Page 892: ...Z18855 EM 64 ENGINE MECHANICAL 5VZ FE ENGINE UNIT 2WD 883 Author Date 1996 TOYOTA T100 RM449U...
Page 902: ...EM 74 ENGINE MECHANICAL 5VZ FE ENGINE UNIT 4WD 893 Author Date 1996 TOYOTA T100 RM449U...
Page 903: ...ENGINE MECHANICAL 5VZ FE ENGINE UNIT 4WD EM 75 894 Author Date 1996 TOYOTA T100 RM449U...
Page 911: ...P21786 ENGINE MECHANICAL 5VZ FE CYLINDER BLOCK EM 83 902 Author Date 1996 TOYOTA T100 RM449U...
Page 937: ...P24450 ENGINE MECHANICAL 5VZ FE EXHAUST SYSTEM EM 109 928 Author Date 1996 TOYOTA T100 RM449U...
Page 972: ...SF0AH 03 MF 8 MFI 3RZ FE FUEL PUMP 1996 TOYOTA T100 RM449U COMPONENTS...
Page 981: ...SF0AQ 02 MFI 3RZ FE INJECTOR MF 17 1996 TOYOTA T100 RM449U COMPONENTS...
Page 991: ...SF0B1 02 P21635 MFI 3RZ FE THROTTLE BODY MF 27 1996 TOYOTA T100 RM449U COMPONENTS...
Page 996: ...SF0B6 02 P21639 MF 32 MFI 3RZ FE IDLE AIR CONTROL IAC VALVE 1996 TOYOTA T100 RM449U COMPONENTS...
Page 1027: ...SF0BU 02 SF 8 SFI 5VZ FE FUEL PUMP 1996 TOYOTA T100 RM449U FUEL PUMP COMPONENTS...
Page 1038: ...Z15607 SFI 5VZ FE INJECTOR SF 19 1025 Author Date 1996 TOYOTA T100 RM449U...
Page 1045: ...SF0CB 01 P20166 SF 26 SFI 5VZ FE FUEL TANK AND LINE 1996 TOYOTA T100 RM449U COMPONENTS...
Page 1053: ...SF0CE 03 S05190 SF 34 SFI 5VZ FE THROTTLE BODY 1996 TOYOTA T100 RM449U COMPONENTS...
Page 1060: ...SF0CJ 01 S05191 SFI 5VZ FE IDLE AIR CONTROL IAC VALVE SF 41 1996 TOYOTA T100 RM449U COMPONENTS...
Page 1074: ...S05210 SFI 5VZ FE KNOCK SENSOR SF 55 1061 Author Date 1996 TOYOTA T100 RM449U...
Page 1075: ...Z15606 SF 56 SFI 5VZ FE KNOCK SENSOR 1062 Author Date 1996 TOYOTA T100 RM449U...
Page 1083: ...CO COOLING 3RZ FE COOLANT CO 1 WATER PUMP CO 3 THERMOSTAT CO 7 RADIATOR CO 11...
Page 1096: ...CO05I 01 S06060 COOLING 3RZ FE RADIATOR CO 13 1996 TOYOTA T100 RM449U COMPONENTS...
Page 1104: ...CO COOLING 5VZ FE COOLANT CO 1 WATER PUMP CO 3 THERMOSTAT CO 8 RADIATOR CO 12...
Page 1108: ...Z15614 CO 4 COOLING 5VZ FE WATER PUMP 1093 Author Date 1996 TOYOTA T100 RM449U...
Page 1118: ...CO060 01 Z15608 CO 14 COOLING 5VZ FE RADIATOR 1996 TOYOTA T100 RM449U COMPONENTS...
Page 1119: ...P20979 COOLING 5VZ FE RADIATOR CO 15 1996 TOYOTA T100 RM449U...
Page 1124: ...LU LUBRICATION 3RZ FE OIL AND FILTER LU 1 OIL PUMP LU 5...
Page 1130: ...P21644 LU 6 LUBRICATION 3RZ FE OIL PUMP 1114 Author Date 1996 TOYOTA T100 RM449U...
Page 1137: ...LU LUBRICATION 5VZ FE OIL AND FILTER LU 1 OIL PUMP LU 5 OIL COOLER LU 17...
Page 1143: ...LU 6 LUBRICATION 5VZ FE OIL PUMP 1126 Author Date 1996 TOYOTA T100 RM449U...
Page 1144: ...LUBRICATION 5VZ FE OIL PUMP LU 7 1127 Author Date 1996 TOYOTA T100 RM449U...
Page 1145: ...P20978 LU 8 LUBRICATION 5VZ FE OIL PUMP 1128 Author Date 1996 TOYOTA T100 RM449U...
Page 1158: ...IG IGNITION 3RZ FE IGNITION SYSTEM IG 1 DISTRIBUTOR IG 6 CRANKSHAFT POSITION SENSOR IG 13...
Page 1189: ...ST STARTING 3RZ FE STARTER ST 1 STARTER RELAY ST 17...
Page 1191: ...ST 2 STARTING 3RZ FE STARTER 1171 Author Date 1996 TOYOTA T100 RM449U...
Page 1207: ...ST STARTING 5VZ FE STARTER ST 1 STARTER RELAY ST 16...
Page 1209: ...ST 2 STARTING 5VZ FE STARTER 1188 Author Date 1996 TOYOTA T100 RM449U...
Page 1224: ...CH CHARGING 3RZ FE CHARGING SYSTEM CH 1 GENERATOR CH 6...
Page 1240: ...CH 16 CHARGING 3RZ FE GENERATOR 1996 TOYOTA T100 RM449U 9 CHECK THAT ROTOR ROTATES SMOOTHLY...
Page 1242: ...CH CHARGING 5VZ FE CHARGING SYSTEM CH 1 GENERATOR CH 5...
Page 1414: ...TR 6 TRANSFER TRANSFER ASSEMBLY 1386 Author Date 1996 TOYOTA T100 RM449U...
Page 1484: ...SA 14 SUSPENSION AND AXLE FRONT WHEEL ALIGNMENT 4WD 1453 Author Date 1996 TOYOTA T100 RM449U...
Page 1600: ...SA 130 SUSPENSION AND AXLE REAR AXLE SHAFT 1569 Author Date 1996 TOYOTA T100 RM449U...
Page 1608: ...SA 138 SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER 1577 Author Date 1996 TOYOTA T100 RM449U...
Page 1631: ...SUSPENSION AND AXLE REAR LEAF SPRING SA 161 1600 Author Date 1996 TOYOTA T100 RM449U...
Page 1698: ...BR09Z 02 F14858 BRAKE ABS ACTUATOR BR 61 1996 TOYOTA T100 RM449U COMPONENTS...
Page 1733: ...SR07D 01 SR 26 STEERING TILT STEERING COLUMN 1996 TOYOTA T100 RM449U REMOVAL See page SR 13...
Page 1736: ...SR07F 01 STEERING TILT STEERING COLUMN SR 29 1996 TOYOTA T100 RM449U INSPECTION See page SR 17...
Page 1797: ...SR08A 01 SR 90 STEERING IDLER ARM 1996 TOYOTA T100 RM449U REMOVAL See page SR 85...
Page 1800: ...SR08D 01 STEERING IDLER ARM SR 93 1996 TOYOTA T100 RM449U INSTALLATION See page SR 87...
Page 1871: ...BE03E 02 I22850 BE 36 BODY ELECTRICAL COMBINATION METER 1996 TOYOTA T100 RM449U CIRCUIT...
Page 1872: ...I22849 BODY ELECTRICAL COMBINATION METER BE 37 1996 TOYOTA T100 RM449U...
Page 1898: ...BODY ELECTRICAL AUDIO SYSTEM BE 63 1996 TOYOTA T100 RM449U 1 ANTI THEFT SYSTEM...
Page 1912: ...BODY ELECTRICAL AUDIO SYSTEM BE 77 1996 TOYOTA T100 RM449U...
Page 1913: ...BE 78 BODY ELECTRICAL AUDIO SYSTEM 1996 TOYOTA T100 RM449U...
Page 1914: ...BODY ELECTRICAL AUDIO SYSTEM BE 79 1996 TOYOTA T100 RM449U...
Page 1944: ...BO 24 BODY WINDSHIELD 1996 TOYOTA T100 RM449U 21 INSTALL INNER REAR VIEW MIRROR...