1996 TOYOTA T100 check engine

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− SFI (5VZ−FE)KNOCK SENSOR
1996 TOYOTA T100 (RM449U)
19. INSTALL INTAKE AIR CONNECTOR (See page
EM−51)
20. INSTALL AIR CLEANER HOSE
21. FILL WITH ENGINE COOLANT
22. CHECK ENGINE COOLANT LEVEL

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TOYOTA Hand−Held Tester
DLC3SF0CZ−03
P21215
Sound Scope
− SFI (5VZ−FE)FUEL CUT RPM
SF−63
1069 Author: Date:
1996 TOYOTA T100 (RM449U)
FUEL CUT RPM
INSPECTION
1. WARM UP ENGINE
Allow the engine to warm up to normal operating temperature.
2. CONNECT TOYOTA HAND−HELD TESTER OR
OBDII SCAN TOOL
(a) Connect the TOYOTA hand−held tester or OBDII scan
tool to the DLC3.
(b) Please refer to the TOYOTA hand−held tester or OBDII
scan tool operator’s manual for further details.
3. INSPECT FUEL CUT OFF PRM
(a) Increase the engine speed to at least 3,500 rpm.
(b) Use a sound scope to check for injector operating noise.
(c) Check that when the throttle lever is released, injector op-
eration noise stops momentarily and then resumes.
HINT:
Measure with the A/C OFF.
Fuel return rpm:
M/T: 1,000 rpm
A/T: 1,200 rpm
4. DISCONNECT TOYOTA HAND−HELD TESTER OR
OBDII SCAN TOOL

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− COOLING (3RZ−FE)COOLANT
CO−1
1070 Author: Date:
1996 TOYOTA T100 (RM449U)
COOLANT
INSPECTION
1. CHECK ENGINE COOLANT LEVEL AT RESERVOIR TANK
The coolant level should be between the ”LOW” and ”FULL” lines.
If low, check for leaks and add coolant up to the ”FULL” line.
2. CHECK ENGINE COOLANT QUALITY
(a) Remove the radiator cap.
CAUTION:
To avoid the danger of being burned, do not remove the radiator cap while the engine and radiator
are still hot, as fluid and steam can be blown out under pressure.
(b) There should not be any excessive deposits of rust or scale around the radiator cap or radiator filler
hole, and the coolant should be free from oil.
If excessively dirty, replace the coolant.
(c) Reinstall the radiator cap.

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P14901Drain Plug
Drain Plug CO−2
− COOLING (3RZ−FE)COOLANT
1996 TOYOTA T100 (RM449U)
REPLACEMENT
1. REPLACE ENGINE COOLANT
(a) Remove the radiator cap.
CAUTION:
To avoid the danger of being burned, do not remove it while
the engine and radiator are still hot, as fluid and steam can
be blown out under pressure.
(b) Drain the coolant from the radiator drain plug and engine
drain plug. (Engine drain plug at the right of engine block.)
(c) Close the drain cock plug.
Torque:Torque (Engine drain plug):
24 N·m (250 kgf·cm, 18 ft·lbf)
2. FILL ENGINE COOLANT
(a) Slowly fill the system with coolant.
Use a good brand of ethylene−glycol base coolant
and mix it according to the manufacturer’s direc-
tions.
Using coolant which includes more than 50 % ethyl-
ene−glycol (but not more than 70 %) is recom-
mended.
NOTICE:
Do not use an alcohol type coolant. The coolant should be
mixed with demineralized water or distilled water.
Capacity (w/ Heater):
8.7 liters (9.2 US qts, 7.7 lmp. qts)
(b) Reinstall the radiator cap.
(c) Warm up the engine and check for leaks.
(d) Recheck the coolant level and refill as necessary.

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P14847
− COOLING (3RZ−FE)WATER PUMP
CO−5
1996 TOYOTA T100 (RM449U)
INSPECTION
1. INSPECT WATER PUMP
(a) Visually check the water hole for coolant leakage.
If leakage is found, replace the water pump.
(b) Turn the pulley, and check that the water pump bearing
moves smoothly and quietly.
If necessary, replace the water pump.
2. INSPECT FLUID COUPLING
Check the fluid coupling for damage and silicon oil leakage.
If necessary, replace the fluid coupling.

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CO05E−02
P11706
P14836
8 mm
− COOLING (3RZ−FE)THERMOSTAT
CO−9
1996 TOYOTA T100 (RM449U)
INSPECTION
INSPECT THERMOSTAT
HINT:
The thermostat is numbered with the valve opening tempera-
ture.
(a) Immerse the thermostat in water and gradually heat the
water.
(b) Check the valve opening temperature.
Valve opening temperature:
80 − 84°C (176 − 183°F)
If the valve opening temperature is not as specified, replace the
thermostat.
(c) Check the valve lift.
Valve lift:
8 mm (0.31 in.) or more at 95°C (203°C)
If the valve lift is not as specified, replace the thermostat.
(d) Check that the valve spring is tight when the thermostat
is at low temperatures (below 40°C (104°F)).
If not closed, replace the thermostat.

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P14834
P14833
15°15° CO−10
− COOLING (3RZ−FE)THERMOSTAT
1996 TOYOTA T100 (RM449U)
INSTALLATION
1. PLACE THERMOSTAT IN WATER INLET HOUSING
(a) Install a new gasket onto the thermostat.
(b) Align the thermostat jiggle valve with the protrusion of the
water inlet housing, and insert the thermostat in the water
inlet housing.
HINT:
The jiggle valve may be set within 15° of either side of the pre-
scribed position.
2. INSTALL WATER INLET
Install the water inlet with the 2 nuts.
Torque:20 N·m (200 kgf·cm, 15 ft·lbf)
3. CONNECT RADIATOR OUTLET HOSE
4. FILL WITH ENGINE COOLANT
5. START ENGINE AND CHECK FOR LEAKS

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Z02362
Radiator Cap Tester
Radiator Cap
P14849Radiator Cap Tester
CO−12
− COOLING (3RZ−FE)RADIATOR
1996 TOYOTA T100 (RM449U)
ON−VEHICLE INSPECTION
1. REMOVE RADIATOR CAP
CAUTION:
To avoid the danger of being burned, do not remove the ra-
diator cap while the engine and radiator are still hot, as fluid
and steam can be blown out under pressure.
2. INSPECT RADIATOR CAP
NOTICE:
If the radiator cap has contaminations,always rinse it with
water.
Using a radiator cap tester, pump the tester and measure the
relief valve opening pressure.
Standard opening pressure:
74 − 103 kPa (0.75 − 1.05 kgf/cm
2, 10.7 − 14.9 psi)
HINT:
Use the tester’s maximum reading as the opening pressure.
If the opening pressure is less than standard, replace the radia-
tor cap.
3. INSPECT COOLING SYSTEM FOR LEAKS
(a) Fill the radiator with coolant and attach a radiator cap tes-
ter.
(b) Warm up the engine.
(c) Pump it to 118 kPa (1.2 kgf/cm
2, 17.1 psi), and check that
the pressure does not drop.
If the pressure drops, check the hoses, radiator or water pump
for leaks. If no external leaks are found, check the heater core,
cylinder block and head.
4. REINSTALL RADIATOR CAP