oil TOYOTA LAND CRUISER 1996 J80 Service Manual

CH0784
ContinuityOhmmeter
CH0HP
−01
CH0783
No Continuity Ohmmeter
CH0192
P00484
Continuity
Ohmmeter
P00482
No Continuity
Ohmmeter
CH−12
−
CHARGING GENERATOR
1996 LAND CRUISER (RM451U)
INSPECTION
1. INSPECT ROTOR FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity between the
slip rings.
Standard resistance (At 20 °C (68° F): 2.8 − 3.0 Ω
If there is no continuity, replace the rotor.
2. INSPECT ROTOR FOR GROUND
Using an ohmmeter, check that there is no continuity between
the slip ring and rotor.
If there is continuity, replace the rotor.
3. INSPECT SLIP RINGS
(a) Check that the slip rings are not rough or scored.
If rough or scored, replace the rotor.
(b) Using a vernier caliper, measure the slip ring diameter. Standard diameter: 14.2 − 14.4 mm (0.559 − 0.567 in.)
Minimum diameter: 12.8 mm (0.504 in.)
If the diameter is less than minimum, replace the rotor.
4. INSPECT STATOR FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity between the
coil leads.
If there is no continuity, replace the drive end frame assembly.
5. INSPECT STATOR FOR GROUND
Using an ohmmeter, check that there is no continuity between
the coil lead and drive end frame.
If there is continuity, replace the drive end frame assembly.
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CO0IO−04
−
COOLING COOLANT
CO−1
696
Author: Date:
1996 LAND CRUISER (RM451U)
COOLANT
INSPECTION
HINT:
Check the coolant level when the engine is cold.
1. CHECK ENGINE COOLANT LEVEL AT RADIATOR RESERVOIR
The engine coolant level should be between the ”LOW” and ”FULL”\
lines.
If low, check for leaks and add engine 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 r\
adiator 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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CO112−01
CO−4
−
COOLING WATER PUMP
1996 LAND CRUISER (RM451U)
REMOVAL
1. DRAIN ENGINE COOLANT
2. DISCONNECT NO.3 WATER BYPASS HOSE
3. DISCONNECT RADIATOR INLET HOSE
4. REMOVE DRIVE BELTS, FAN WITH FLUID COU- PLING, WATER PUMP PULLEY AND FAN SHROUD
(a) Stretch the belts and loosen the water pump pulley mounting nuts.
(b) Loosen the lock, pivot and adjusting bolts of the genera- tor, and remove the drive belts.
(c) Disconnect the oil cooler hose from the clamp on the fan shroud.
(d) Remove the 2 bolts holding the fan shroud to the radiator.
(e) Remove the 4 water pump pulley mounting nuts.
(f) Pull out the fan with fluid coupling, water pump pulley and
fan shroud.
(g) Remove the fan from the fluid coupling.
5. REMOVE WATER PUMP
Remove the 4 bolts, 2 nuts, water pump and gasket.
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CO113−04
−
COOLING WATER PUMP
CO−5
1996 LAND CRUISER (RM451U)
INSPECTION
1. INSPECT WATER PUMP
(a) Visually check the air hole and water hole for coolant leak-
age.
If leakage is found, replace the water pump.
(b) Turn the pulley seat and check that the water pump bear- ing 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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CO114−02
CO−6
−
COOLING WATER PUMP
1996 LAND CRUISER (RM451U)
INSTALLATION
1. INSTALL WATER PUMP
Install a new gasket and the water pump with the 4 bolts and 2
nuts. Torque: 21 N·m (210 kgf·cm, 15 ft·lbf)
2. INSTALL WATER PUMP PULLEY, FAN SHROUD, FAN WITH FLUID COUPLING AND DRIVE BELTS
(a) Install fan to the fluid coupling.
(b) Place the fan with fluid coupling, water pump pulley and fan shroud in position.
(c) Temporarily install the fan pulley mounting nuts.
(d) Install the fan shroud with the 2 bolts. Torque: 5.0 N·m (50 kgf·cm, 43 in.·lbf)
(e) Connect the oil cooler hose to the clamp on the fan
shroud.
(f) Install the drive belts with the adjusting bolt and pivot bolt.
(g) Stretch the belts tight and tighten the 4 water pump pulley mounting nuts.
(h) Adjust the drive belts (See page CH−2 ).
3. CONNECT NO.3 WATER BYPASS HOSE
4. CONNECT RADIATOR INLET HOSE
5. FILL RADIATOR WITH ENGINE COOLANT
6. START ENGINE AND CHECK FOR LEAKS
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CO117−02
CO−14
−
COOLING RADIATOR
1996 LAND CRUISER (RM451U)
REMOVAL
1. DRAIN ENGINE COOLANT
2. REMOVE BATTERY AND BATTERY TRAY
(a) Disconnect the battery cables.
(b) Remove the nuts, hold −down clamp and battery.
(c) Remove the bolt and disconnect the ground strap.
(d) Remove the 5 bolts and battery tray.
3. REMOVE RADIATOR GRILLE
Remove the 5 screws, clip and radiator grille.
4. DISCONNECT NO.3 WATER BYPASS HOSE
5. DISCONNECT RADIATOR INLET HOSE
6. DISCONNECT RADIATOR RESERVOIR HOSE
7. REMOVE RADIATOR
(a) Stretch the belts and loosen the water pump pulley mounting nuts.
(b) Loosen the lock, pivot and adjusting bolts of the genera- tor, and remove the drive belts.
(c) Disconnect the oil cooler hose from the clamp on the fan shroud.
(d) Remove the 2 bolts holding the fan shroud to the radiator.
(e) Remove the 4 water pump pulley mounting nuts.
(f) Pull out the fan with fluid coupling, water pump pulley and
fan shroud.
8. DISCONNECT A/T OIL COOLER HOSES
9. DISCONNECT RADIATOR OUTLET HOSE
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CO118−01
CO−16
−
COOLING RADIATOR
1996 LAND CRUISER (RM451U)
INSTALLATION
1. INSTALL RADIATOR
(a) Install the 2 radiator brackets with the 4 nuts. Torque: 12 N·m (120 kgf·cm, 9 ft·lbf)
(b) Install the radiator with the 2 bolts and 2 nuts. Torque:
Bolt: 18 N·m (185 kgf·cm, 13 ft·lbf)
Nut: 12 N·m (120 kgf·cm, 9 ft·lbf)
2. CONNECT A/T OIL COOLER HOSES
3. CONNECT RADIATOR OUTLET HOSE
4. INSTALL WATER PUMP PULLEY, FAN SHROUD, FAN WITH FLUID COUPLING AND DRIVE BELTS
(a) Place the fan with fluid coupling, water pump pulley and fan shroud in position.
(b) Temporarily install the fan pulley mounting nuts.
(c) Install the fan shroud with the 2 bolts. Torque: 5.0 N·m (50 kgf·cm, 43 in.·lbf)
(d) Connect the oil cooler hose to the clamp on the fan
shroud.
(e) Install the drive belts with the adjusting bolt and pivot bolt.
(f) Stretch the belts tight and tighten the 4 water pump pulley mounting nuts.
(g) Adjust the drive belts (See page CH−2 ).
5. CONNECT RADIATOR RESERVOIR HOSE
6. CONNECT RADIATOR INLET HOSE
7. CONNECT NO.3 WATER BYPASS HOSE
8. INSTALL RADIATOR GRILLE
Install the radiator grille with the 5 screws and clip.
9. INSTALL BATTERY AND BATTERY TRAY
(a) Install the battery tray with the 5 bolts.
(b) Connect the ground strap with the bolt.
(c) Install the battery with the hold−down clamp and nuts.
(d) Connect the battery cables.
10. FILL RADIATOR WITH ENGINE COOLANT
11. START ENGINE AND CHECK FOR LEAKS
12. CHECK AUTOMATIC TRANSMISSION FLUID LEVEL
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P04771
InsideOutside
DI−8
−
DIAGNOSTICS ENGINE
1996 LAND CRUISER (RM451U)
6. BASIC INSPECTION
When the malfunction code is not confirmed in the DTC check, troubleshooting\
should be performed in the
order for all possible circuits to be considered as the causes of the problem\
s. In many cases, by carrying
out the basic engine check shown in the following flow chart, the location \
causing the problem can be found
quickly and efficiently. Therefore, use of this check is essential in engine troubleshooting.
1 Is battery positive voltage 11 V or more when engine is stopped?
NO Charge or replace battery.
YES
2 Is engine cranked?
NO Proceed to page ST−16 , and continue to trouble-
shoot.
YES
3 Does engine start?
NO Go to step 7.
YES
4 Check air filter.
PREPARATION:
Remove air filter.
CHECK:
Visually check that the air cleaner element is not dirty or exces-
sive oily.
HINT:
If necessary, clean the element with compressed air. First blow
from inside thoroughly, then blow from outside of element.
NG Repair or replace
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A00164P03792
P22893
DI−56
−
DIAGNOSTICS ENGINE
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
1 Check spark plug and spark of misfiring cylinder.
PREPARATION:
(a) Remove No.2 and No.3 cylinder head cover.
(b) Disconnect the high −tension cord from spark plug.
(c) Remove spark plug.
CHECK:
(a) Check the carbon deposits on electrode.
(b) Check electrode gap.
OK:
(1) No large carbon deposit present.
Not wet with gasoline or oil.
(2) Electrode gap: 0.8 mm (0.031 in.).
PREPARATION:
(a) Install the spark plug to the high −tension cord.
(b) Ground the spark plug.
(c) Disconnect injector connector.
CHECK:
Check if spark occurs while engine is being cranked.
NOTICE:
To prevent excess fuel being injected from the injectors
during this test, don’t crank the engine for more than 5 − 10
seconds at a time.
OK:
Spark jumps across electrode gap.
NG Replace or check ignition system (See page IG−1).
OK
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S06273
E1
1
G−
2
BR
L
L G1
NE2
NE2−
12
E6
3
2
Distributor
Crankshaft Position Sensor G2
ECM
NE
4
1 L
L
G W
R
E6
E6
E6
E6
E6 11
10 4
56
DI−62
−
DIAGNOSTICS ENGINE
1996 LAND CRUISER (RM451U)
DTC P0335 Crankshaft Position Sensor ”A” Circuit Malfunction
CIRCUIT DESCRIPTION
The crankshaft position sensor (NE signal) consists of a signal plate and pick up coil. The NE\
signal plate
has 24 teeth and is built into the distributor. When the camshaft rotates, the protrusion on the signal plate
and the air gap on the pick up coil change, causing fluctuations in the magnetic field and generating an elec-
tromotive force in the pick up coil. The NE signal sensor generates 24 signals fo\
r every engine revolution.
The ECM detects the standard crankshaft angle based on the G1, G2 signals, \
detects the actual crankshaft
angle and the engine speed by the NE signals, and detects misfire by NE2 sign\
als.
DTC No.DTC Detecting ConditionTrouble Area
P0335
No crankshaft position sensor signal (NE signal) to ECM dur-
ing cranking.
(2 trip detection logic) Open or short in crankshaft position sensor circuit for NE
signal.
 Crankshaft position sensor for NE signal
 Starter
 ECM
No crankshaft position sensor signal (NE signal) to ECM with
engine speed 550 rpm or more (2 trip detection logic)
WIRING DIAGRAM
DI5PH−02
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