Front disc TOYOTA LAND CRUISER 1996 J80 Owner's Guide

BE6053P24662A08533
OFF
(−) (+)
KNK 1
KNK 2E5 Connector
DI−60
−
DIAGNOSTICS ENGINE
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
HINT:
DTC P0325 is for the knock sensor circuit on the front side.
DTC P0330 is for the knock sensor circuit on the rear side.
1 Check continuity between terminal KNK1, KNK2 of ECM connector and body
ground.
PREPARATION:
(a) Remove the instrument panel speaker No.1 panel (See
page SF−65 ).
(b) Disconnect the E5 connector of ECM.
CHECK:
Measure resistance between terminal KNK1, KNK2 of ECM
connector and body ground.
HINT:
Connect terminal KNK1 to knock sensor 1.
Connect terminal KNK2 to knock sensor 2.
OK:
Resistance: 1 MΩ or higher
OK Go to step 3.
NG
2 Check knock sensor (See page SF−62 ).
NG Replace knock sensor.
OK
3 Check for open and short in harness and connector between ECM and knock sensor (See page IN−28 ).
NG Repair or replace harness or connector.
OK
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W02207W02208W02209
W02210
F00036
Front:
Rear:FL+
FL- FR-
FR+
RL+ RL-
RR+ RR-
-
DIAGNOSTICS ANTI-LOCK BRAKE SYSTEM
DI-212
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
1 Check speed sensor.
Front
PREPARATION:
Disconnect speed sensor connector.
CHECK:
Measure resistance between terminals 1 and 2, 3 and 4 of
speed sensor connector.
OK:
Resistance: 0.6 - 2.0 k W
CHECK:
Measure resistance between terminals 1 and 2 of speed sensor
connector and body ground.
OK:
Resistance: 1 M W or higher
Rear
PREPARATION:
Disconnect speed sensor connector.
CHECK:
Measure resistance between terminals 1 and 2 of speed sensor
connector.
OK:
Resistance: 0.5 - 1.6 k W
CHECK:
Measure resistance between terminals 1 and 2 of speed sensor
connector and body ground.
OK:
Resistance: 1 M W or higher
NG Replace speed sensor.
NOTICE:
Check the speed sensor signal last (See page DI-189).
OK
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R04759
R04775
BR3795
OKNG
-
DIAGNOSTICS ANTI-LOCK BRAKE SYSTEM
DI-214
1996 LAND CRUISER (RM451U)
4 Check sensor rotor and sensor installation.
Front
PREPARATION:
Remove front axle hub and knuckle spindle (See page
SA-8).
CHECK:
Check the sensor rotor serrations.
OK:
No scratches or missing teeth.
CHECK:
Check the sensor tip and grease.
OK:
No scratches or foreign objects on the sensor tip and
grease.
Rear
PREPARATION:
Remove the rear brake caliper and disc.
CHECK:
Check the sensor rotor serrations.
OK:
No scratches or missing teeth.
CHECK:
Check the sensor tip.
OK:
No scratches or foreign objects on the sensor tip.
CHECK:
Check the speed sensor installation.
OK:
The installation bolt is tightened properly and there is
no clearance between the sensor and steering
knuckle or rear axle carrier.
NG Replace speed sensor or rotor.
NOTICE:
Check the speed sensor signal last (See page DI-189).
OK
Check and replace ABS ECU.
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R05897
AB0118
R13006AB0119
W02042
H00008
Airbag
Sensor
Assembly
Spiral
Cable
P Squib
D Squib ACC ON
or
DLC1
E1 Tc Code 11
DI−252
−
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
1996 LAND CRUISER (RM451U)
6 Check P squib.
PREPARATION:
(a) Turn ignition switch to LOCK.
(b) Disconnect negative ( −) terminal cable from the battery,
and wait at least 90 seconds.
(c) Connect front passenger airbag assembly connector.
(d) Connect negative ( −) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn ignition switch to ACC or ON, and wait at least 20 se-
conds.
(b) Clear malfunction code stored in memory. (See page DI−240 )
(c) Turn ignition switch to LOCK, and wait at least 20 se-
conds.
(d) Turn ignition switch to ACC or ON, and wait at least 20 se-
conds.
(e) Using SST, connect terminals Tc and E1 of DLC1.
SST 09843−18020
(f) Check DTC.
OK:
DTC 11 is not output.
HINT:
Codes other than code 11 may be output at this time, but they
are not relevant to this check.
NG Replace front passenger airbag assembly.
OK
From the results of the above inspection, the malfunctioning part can now be \
considered normal.
To make sure of this, use the simulation method to check.
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R05897
R13006 AB0118AB0119
W02043 H00014
Airbag
Sensor
Assembly
P Squib
D Squib Spiral
Cable
ACC ON
or
DLC1 Code 12
E1 Tc
DI−258
−
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
1996 LAND CRUISER (RM451U)
6 Check P squib.
PREPARATION:
(a) Turn ignition switch to LOCK.
(b) Disconnect negative ( −) terminal cable from the battery,
and wait at least 90 seconds.
(c) Connect front passenger airbag assembly connector.
(d) Connect negative ( −) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn ignition switch to ACC or ON, and wait at least 20 se-
conds.
(b) Clear malfunction code stored in memory. (See page DI−240 )
(c) Turn ignition switch to LOCK, and wait at least 20 se-
conds.
(d) Turn ignition switch to ACC or ON, and wait at least 20 se-
conds.
(e) Using SST, connect terminals Tc and E1 of DLC1.
SST 09843−18020
(f) Check DTC.
OK:
DTC 12 is not output.
HINT:
Codes other than code 12 may be output at this time, but they
are not relevant to this check.
NG Replace front passenger airbag assembly.
OK
From the results of the above inspection, the malfunctioning part can now be \
considered normal.
To make sure of this, use the simulation method to check.
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R05909
AB0118
R13006AB0119
W02045
H00025
Airbag
Sensor
Assembly
P Squib
D Squib Spiral
Cable
ACC ON
or
DLC1
E1 Tc Code 54
DI−270
−
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
1996 LAND CRUISER (RM451U)
4 Check P squib.
PREPARATION:
(a) Turn ignition switch to LOCK.
(b) Disconnect negative ( −) terminal cable from the battery,
and wait at least 90 seconds.
(c) Connect front passenger airbag assembly connector.
(d) Connect negative ( −) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn ignition switch to ACC or ON and wait at least 20 se-
conds.
(b) Clear malfunction code stored in memory. (See page DI−240 )
(c) Turn ignition switch to LOCK, and wait at least 20 se-
conds.
(d) Turn ignition switch to ACC or ON, and wait at least 20 se-
conds.
(e) Using SST, connect terminals Tc and E1 of DLC1.
SST 09843−18020
(f) Check DTC.
OK:
DTC 54 is not output.
HINT:
Codes other than code 54 may be output at this time, but they
are not relevant to this check.
NG Replace front passenger airbag assembly.
OK
From the results of the above inspection, the malfunctioning part can now be \
considered normal.
To make sure of this, use the simulation method to check.
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R05894 AB0117H00001
Airbag Sensor
Assembly
LOCK
Spiral
Cable
D Squib P Squib
R14285 AB0119H00021
ON
Airbag Sensor Assembly
ACC IG2
(+)
(−)
DI−272
−
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
1 Preparation.
PREPARATION:
(a) Disconnect negative ( −) terminal cable from the battery,
and wait at least 90 seconds.
(b) Remove steering wheel pad (See page SR−11).
(c) Disconnect connector of front passenger airbag assem- bly (See page RS−22 ).
(d) Disconnect connector of airbag sensor assembly (See page RS−33 ).
CAUTION:
Store the steering wheel pad with the front surface facing
upward.
2 Check source voltage.
PREPARATION:
(a) Connect negative ( −) terminal cable to battery.
(b) Turn ignition switch ON.
CHECK:
Measure voltage at IG2 or ACC on sensor and operate electric
system. (defogger, wiper, headlight, heater blower, etc.)
OK:
Voltage: 10 − 14 V
NG Check the harness between battery and airbag sensor assembly, and check the battery and
charging system.
OK
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H00094
Airbag Sensor
Assembly
Spiral
Cable
P squib
D squib LOCK
AB0117
N12639
H00026
Airbag Sensor Assembly
LOCK
−
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
DI−275
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
1 Preparation.
PREPARATION:
(a) Disconnect negative ( −) terminal cable from the battery,
and wait at least 90 seconds.
(b) Remove steering wheel pad. (See SR section)
(c) Disconnect connector of front passenger airbag assem- bly. (See page RS−22 )
CAUTION:
Store the steering wheel pad with the front surface facing
upward.
2 Does SRS warning light turn off?
PREPARATION:
(a) Turn ignition switch to LOCK.
(b) Disconnect negative ( −) terminal cable from the battery,
and wait at least 90 seconds.
(c) Disconnect airbag sensor assembly connector.
(d) Connect negative (−) terminal cable to battery.
CHECK:
Check operation of SRS warning light.
NO Check SRS warning light circuit or terminal AB circuit of DLC1.
YES
Replace airbag sensor assembly.
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−
ENGINE MECHANICAL CYLINDER HEAD
EM−31
1996 LAND CRUISER (RM451U)
26. REMOVE FRONT EXHAUST PIPE
(a) Disconnect the heated oxygen sensor connector.
(b) Remove the 2 nuts and 2 bolts holding the front exhaust
pipe to the rear TWC.
(c) Disconnect the front exhaust pipe, and remove the gas- ket.
(d) Loosen the clamp bolt and disconnect the clamp from the
No. 1 support bracket.
(e) Remove the 2 bolts and No. 1 support bracket.
(f) Remove the 4 nuts, front exhaust pipe and 2 gaskets.
27. REMOVE NO. 1 AND NO. 2 EXHAUST MANIFOLDS
(a) Remove the 6 bolts, No. 1 heat insulator and No. 2 heat insulator.
(b) Remove the 13 nuts, No. 1 exhaust manifold, No. 2 ex- haust manifold and 2 gaskets.
28. REMOVE HEATER PIPE
Remove the 2 bolts, 2 nuts, ground cable, heater pipe and gas-
ket.
29. REMOVE WATER BYPASS OUTLET AND PIPE
(a) Remove the 2 bolts and water bypass outlet and pipe.
(b) Remove the 3 O−rings from the water bypass outlet and pipe.
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EM−72
−
ENGINE MECHANICAL ENGINE UNIT
1996 LAND CRUISER (RM451U)
24. REMOVE FRONT AND REAR PROPELLER SHAFTS
(a) Put matchmarks on the flanges.
(b) Remove the 4 bolts and nuts.
(c) Remove the 4 nuts.
(d) Remove the propeller shaft.
25. REMOVE TRANSFER SHIFT LEVER
(a) Remove the nut and transmission control rod.
(b) Remove the transfer shift lever knob.
(c) Remove 4 screws.
(d) Lift up the console slightly in order to disconnect the con-
nector.
(e) Remove the console.
(f) Remove the 3 bolts and console box.
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