VALVE BODY TOYOTA T100 1996 Factory Owner's Manual

Downloaded from www.Manualslib.com manuals search engine − DIAGNOSTICSAUTOMATIC TRANSMISSION
DI−295
1996 TOYOTA T100 (RM449U)
2 Check valve body (See page DI−282).
NG Repair or replace valve body.
OK
Replace torque converter clutch
(See page AT−26, AT−33).

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Q07646D00005
− DIAGNOSTICSAUTOMATIC TRANSMISSION
DI−299
1996 TOYOTA T100 (RM449U)
3 Check shift solenoid valve SL.
PREPARATION:
(a) Remove the oil pan.
(b) Remove the shift solenoid valve SL.
CHECK:
(a) Measure resistance between terminal SL of shift solenoid
valve and solenoid body.
(b) Connect positive lead to terminal of solenoid connector,
negative lead to solenoid body.
OK:
(a) Resistance: 11 − 15 Ω
(b) The shift solenoid valve SL makes operation
noise.
NG Replace shift solenoid valve SL.
OK
Repair or replace solenoid wire.

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DI−438
− DIAGNOSTICSCRUISE CONTROL SYSTEM
1996 TOYOTA T100 (RM449U)
INSPECTION PROCEDURE
1 Check voltage between terminal IDL of cruise control ECU connector and body
ground.
PREPARATION:
(a) Remove the ECU with connector still connected.
(b) Disconnect the ECM and ABS ECU connectors.
(c) Turn ignition switch ON.
CHECK:
Measure voltage between terminal IDL of ECU connector and
body ground when the throttle valve is fully closed and fully
opened.
OK:
Throttle valve positionVoltage
Fully opened10 − 16 V
Fully closedBelow 1 V
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI−419).
NG
2 Check harness and connector between ECM and throttle position sensor (See
page IN−16).
NG Repair or replace harness or connector.
OK
3 Check throttle position sensor circuit.
(3RZ−FE: See page MF−25)
(5VZ−FE: See page SF−31)
NG Replace throttle position sensor.
OK

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Throttle Position Sensor
1
2
− DIAGNOSTICSCRUISE CONTROL SYSTEM
DI−439
1996 TOYOTA T100 (RM449U)
4 Check throttle position sensor.
PREPARATION:
Disconnect the throttle position sensor connector.
CHECK:
Measure resistance between terminals 1 and 2 of throttle posi-
tion sensor connector when the throttle valve is fully closed and
fully opened.
OK:
Throttle valve positionResistance
Fully opened1 MΩ or higher
Fully closedBelow 500 Ω
NG Replace throttle position sensor.
OK
5 Check for open and short in harness and connector between cruise control ECU
and throttle position sensor, throttle position sensor and body ground (See page
IN−16).
NG Repair or replace harness or connector.
OK
Check and replace cruise control ECU (See
page IN−26).

Downloaded from www.Manualslib.com manuals search engine EM−2
− ENGINE MECHANICAL (3RZ−FE)CO/HC
717 Author: Date:
1996 TOYOTA T100 (RM449U)
6. TROUBLESHOOTING
If the CO/HC concentration does not comply with regulations,
troubleshoot according to the table below.
(a) Check heated oxygen sensor operation.
(b) Check and correct the cause if necessary.
COHCSymptomCauses
NormalHighRough Idle
1. Faulty ignitions:
 Incorrect timing
 Fouled, shorted or improperly gapped plugs
 Open or crossed high−tension cords
 Cracked distributor cap
2. Incorrect valve clearance
3. Leaky EGR valves
4. Leaky exhaust valves
5. Leaky cylinder
LowHighRough Idle
(Fluctuating HC reading)
1. Vacuum leaks:
 Vacuum hose
 Intake manifold
 Intake chamber
 PCV line
 Throttle body
HighHighRough Idle
(Black smoke from exhaust)
1. Clogged air filter
2. Plugged PCV valve
3. Faulty SFI systems:
 Faulty fuel pressure regulator
 Clogged fuel return line
 Faulty MAF meter
 Defective ECT sensor
 Defective IAT sensor
 Faulty engine control module (ECM)
 Faulty injector

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P24401A03713
P14695
− ENGINE MECHANICAL (3RZ−FE)VALVE CLEARANCE
EM−5
720 Author: Date:
1996 TOYOTA T100 (RM449U)
VALVE CLEARANCE
INSPECTION
HINT:
Inspect and adjust the valve clearance when the engine is cold.
1. DRAIN ENGINE COOLANT
2. REMOVE AIR CLEANER CAP, MAF METER AND RES-
ONATOR (See page EM−65)
3. REMOVE NO.1 AND NO.2 PCV HOSES
4. DISCONNECT HIGH−TENSION CORDS FROM SPARK
PLUGS
NOTICE:
Pulling on or bending the cords may damage the conductor
inside.
5. REMOVE THROTTLE BODY (See page MF−28)
6. DISCONNECT ENGINE WIRE
(a) Disconnect these connectors:
w/ A/C:
A/C compressor connector
Oil pressure sensor connector
ECT sensor connector
(b) Disconnect the 5 engine wire clamps and engine wire.
7. REMOVE CYLINDER HEAD COVER
Remove the 10 bolts, cylinder head cover and gasket.
8. SET NO.1 CYLINDER TO TDC/COMPRESSION
(a) Turn the crankshaft pulley clockwise and align its groove
with the ”0” mark on the timing chain cover.

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EM−10
− ENGINE MECHANICAL (3RZ−FE)VALVE CLEARANCE
725 Author: Date:
1996 TOYOTA T100 (RM449U)
11. REINSTALL CYLINDER HEAD COVER
(a) Install the gasket to the cylinder head cover.
(b) Install the cylinder head cover with the 10 bolts.
12. RECONNECT ENGINE WIRE
(a) Connect the 5 engine wire clamps.
(b) Connect these connectors:
ECT sensor connector
Oil pressure sensor connector
w/ A/C:
A/C compressor connector
13. REINSTALL THROTTLE BODY (See page MF−30)
14. REINSTALL HIGH−TENSION CORDS TO SPARK
PLUGS
15. REINSTALL NO.1 AND NO.2 PCV HOSES
16. REINSTALL AIR INTAKE CONNECTOR (See page
EM−70)
17. REFILL WITH ENGINE COOLANT
18. CHECK IGNITION TIMING

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− ENGINE MECHANICAL (5VZ−FE)CYLINDER HEAD
EM−31
1996 TOYOTA T100 (RM449U)
21. w/ EGR:
REMOVE EGR PIPE
Remove the 6 nuts, EGR pipe and 2 gaskets.
22. REMOVE INTAKE CHAMBER STAY
(a) A/T:
Remove the bolt, 2 nuts, oil filler tube and No.1 throttle
cable clamp.
(b) Remove the 2 bolts and intake chamber stay.
23. REMOVE AIR INTAKE CHAMBER ASSEMBLY
(a) Disconnect these connectors:
VSV connector for fuel pressure control
Throttle position sensor connector
IAC valve connector
w/ EGR:
EGR gas temperature sensor connector
VSV connector for EGR
(b) Disconnect these hoses:
(1) 2 PCV hoses
(2) 2 water bypass hoses
(3) Air assist hose from throttle body
(4) 2 Vacuum sensing hoses from VSV
w/ A/C
Air hose from A/C idle−up valve
(5) EVAP hose
(6) Air hose from PS pump
(c) Remove the 4 bolts, 2 nuts, the air intake chamber as-
sembly and gasket.
24. REMOVE INTAKE AIR CONNECTOR
(a) Remove the bolt, and disconnect the engine wire.
(b) Disconnect the 2 fuel return hoses.
(c) Disconnect the brake booster vacuum hose from the in-
take air connector.
(d) Remove the bolt, and disconnect the ground strap from
the intake air connector.
(e) Disconnect the DLC1 from the bracket.
(f) w/ A/C
Disconnect the A/C idle−up valve connector.
(g) Remove the 3 bolts, 2 nuts, intake air connector and gas-
ket.

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EM−60
− ENGINE MECHANICAL (5VZ−FE)CYLINDER HEAD
1996 TOYOTA T100 (RM449U)
23. INSTALL AIR INTAKE CHAMBER ASSEMBLY
(a) Install a new gasket and the air intake chamber assembly
with the 4 bolts and 2 nuts.
Torque: 18.5 N·m (185 kgf·cm, 13 ft·lbf)
(b) Connect these hoses:
2 PCV hoses
2 water bypass hoses
Air assist hose to throttle body
w/ EGR:
Water bypass hose
EVAP hose
Air hose to PS pump
w/ A/C
Air hose to A/C idle−up valve
(c) Connect these connectors:
VSV connector for fuel pressure control
Throttle position sensor connector
IAC valve connector
w/ EGR:
EGR gas temperature sensor connector
VSV connector for EGR
24. INSTALL AIR INTAKE CHAMBER STAY
(a) Install the air intake chamber stay with the 2 bolts.
Torque:
14 mm head bolt: 40 N·m (400 kgf·cm, 30 ft·lbf)
12 mm head bolt: 18.5 N·m (185 kgf·cm, 13 ft·lbf)
(b) A/T:
Install a new O−ring to the oil filler tube.
(c) Apply soapy water to the O−ring.
(d) Push in the oil filler tube end into the tube hole of the oil
pan.
(e) Install the oil filler tube and No.1 throttle cable clamp with
the 2 nuts, bolt.
(f) Install the dipstick.
25. w/ EGR:
INSTALL EGR PIPE
Install 2 new gaskets and the EGR pipe with the 6 nuts.
Torque:
Nut A: 18.5 N·m (185 kgf·cm, 13 ft·lbf)
Nut B: 8 N·m (80 kgf·cm, 71 in.·lbf)
26. TEMPORARILY INSTALL GENERATOR

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MFI SYSTEM MF-1
FUEL PUMP MF-5
FUEL PRESSURE REGULATOR MF-13
INJECTOR MF-16
FUEL TANK AND LINE MF-23
THROTTLE BODY MF-25
IDLE AIR CONTROL (IAC) VALVE MF-31
MASS AIR FLOW (MAF) METER MF-36
EFI MAIN RELAY MF-40
CIRCUIT OPENING RELAY MF-41
VSV FOR EVAPORATIVE EMISSION
(EVAP) MF-43
VSV FOR EXHAUST GAS
RECIRCULATION (EGR) MF-44
ENGINE COOLANT TEMPERATURE
(ECT) SENSOR MF-45
INTAKE AIR TEMPERATURE (IAT)
SENSOR MF-46
KNOCK SENSOR MF-47
EXHAUST GAS RECIRCULATION
(EGR) GAS TEMPERATURE SENSOR MF-48
HEATED OXYGEN SENSOR MF-49
ENGINE CONTROL MODULE (ECM) MF-50
FUEL CUT RPM MF-54