Page 620 of 1399
BE3840
Q07359D00023
ON
−
DIAGNOSTICS AUTOMATIC TRANSMISSION
DI−183
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
1 Check operation of 2nd start switch.
CHECK:
(a) Turn the ignition switch ON.
(b) Check the ”2nd STRT” indicator light when the 2nd start
switch is pushed in to ON.
OK:
”2nd STRT” indicator light lights up.
CHECK:
Check the ”2nd STRT” indicator light when the 2nd start switch
is pushed again, or PWR mode switch is pushed into OFF.
OK:
”2nd STRT” indicator light goes off. When PWR mode
switch is pushed in to ON, ”2nd STRT” indicator light
goes off, and ”PWR” indicator light lights up.
OK Proceed to next circuit inspection shown on problem symptoms table (See page DI−147 ).
NG
2 Check 2nd start indicator bulb.
NG Replace 2nd start indicator bulb.
OK
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Page 623 of 1399
BE3840
Q07359D00023
ON
-
DIAGNOSTICS AUTOMATIC TRANSMISSION
DI-186
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
1 Check operation of 2nd start switch.
CHECK:
(a) Turn the ignition switch ON.
(b) Check º2nd STRTº indicator light when 2nd start switch is
pushed in to ON.
OK:
º2nd STRTº indicator light lights up.
CHECK:
Check º2nd STRTº indicator light when 2nd start switch is
pushed again, or PWR mode switch is pushed into OFF.
OK:
º2nd STRTº indicator light goes off. When PWR mode
switch is pushed in to ON, º2nd STRTº indicator light
goes off, and ºPWRº indicator light lights up.
OK Proceed to next circuit inspection shown on matrix chart (See page DI-150).
NG
2 Check 2nd start indicator bulb.
NG Replace 2nd start indicator bulb.
OK
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Page 655 of 1399
DI−222
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
1996 LAND CRUISER (RM451U)
2 Is DTC output?
Check DTC on page DI−190 .
NO Normal.
YES
3 Check that CENTER DIFF. LOCK indicator light does not go off.
NO Go to step 6.
YES
4 Check that bulb for CENTER DIFF. LOCK indicator light is not burnt out.
YES Replace indicator light.
NO
5 Check for open in harness and connector between battery and CENTER DIFF. LOCK indicator light, and CENTER DIFF. LOCK indicator light and ABS ECU (See
page IN−28 ).
NG Repair or replace harness or connector.
OK
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Page 663 of 1399

W02199
BatteryJunction
Connector
ID
W−B
B−W
ABS Control Relay
1 4
2
6 3
1
4
Motor
Relay
Solenoid
Relay
ABS ECU
ABS ECU
ABS Actuator 4
5
A7
A6
A6 A6
A4 R−L
R−L
DLC1
Short Pin
B−W
IH1
A12
ABS ECU
W
13
C10
GAUGE
2223 ABS
Warning
Light
A
A
J1
C10IH1
20
A7
A7A7
A7
EA3
EA3
2
1 B−W
B−W
B−L OO
O
Y
54
3
23 OY
DI−230
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
1996 LAND CRUISER (RM451U)
ABS Warning Light Circuit
CIRCUIT DESCRIPTION
If the ECU detects trouble, it lights the ABS warning light while at the same time prohibiting ABS control. At
this time, the ECU records a DTC in memory. After removing the short pin of the DLC1, connect terminals
Tc and E
1 of the DLC1 to make the ABS warning light blink and output the DTC.
WIRING DIAGRAM
INSPECTION PROCEDURE
Troubleshooting in accordance with the chart below for each trouble symptom.
ABS warning light does not light upGo to step 1
ABS warning light remains onGo to step 3
1 Check ABS warning light.
See Combination Meter Troubleshooting on page BE−2.
NG Repair bulb or combination meter assembly.
OK
DI5MJ−03
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Page 710 of 1399

AB0119
R14302H00027
Airbag Sensor Assembly
ON
LA
(−)(+)
H00051
Airbag Sensor
Assembly
P Squib
D Squib Spiral
Cable
ON
−
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
DI−277
1996 LAND CRUISER (RM451U)
3 Check SRS warning light circuit.
PREPARATION:
(a) Connect negative ( −) terminal cable to battery.
(b) Turn ignition switch to ACC or ON.
CHECK:
Measure voltage LA terminal of harness side connector of air-
bag sensor assembly.
OK:
Voltage: 10 − 14 V
NG Check SRS warning light bulb/repair SRS warn-
ing light circuit.
OK
4 Does SRS warning light come on?
PREPARATION:
(a) Disconnect negative ( −) terminal cable from the battery.
(b) Connect airbag sensor assembly connector.
(c) Connect negative ( −) terminal cable to battery, and wait
at least 2 seconds.
(d) Turn ignition switch to ACC or ON.
CHECK:
Check operation of SRS warning light.
NO Check terminal LA of airbag sensor assembly. If normal, replace airbag sensor assembly.
YES
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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PP2YT−01
PP−66
−
PREPARATION BODY ELECTRICAL
1996 LAND CRUISER (RM451U)
EQUIPMENT
Bulb (3.4 W)Fuel sender gauge
Seat belt warning relay
Bulb (21 W)Turn signal flasher relay
Clip removerFor removing cowl louver
Dry cell batteryFuel sender gauge
Masking tapeRear window defogger wire
Oil bathEngine oil level warning switch
Test lead
ThermometerEngine coolant temperature sender gauge
Engine oil level warning switch
Tin foilRear window defogger wire
Torque wrench
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Page 1065 of 1399

SA−2
−
SUSPENSION AND AXLE TROUBLESHOOTING
859
Author: Date:
1996 LAND CRUISER (RM451U)
Oil leak from rear dif
ferential
1. Oil level: too high or wrong grade
2. Oil seal: worn or damaged
3. Companion flange: loosen or damagedSA−73
SA−73
SA−87
Indicator lights do not light up
1. Fusible link: blown
2. GAUGE fuse: blown
3. Bulb: burned out
4. Wiring or ground: faultyBE−9
BE−9
BE−32 −
Indicator lights do not light up
(Diff. lock control switch RR or FR RR position)
1. DIFF fuse: blown
2. Diff. lock control switch: faulty
3. Diff. lock ECU: faulty
4. Wiring or ground: faultyBE−9
SA−101
SA−101 −
Differential lock does not operate
1. Diff. lock position switch: faulty
2. Diff. lock actuator: faulty
3. Diff. lock ECU: faulty
4. Differential carrier (Diff. lock): faulty
5. Wiring or ground: faultySA−101
SA−101
SA−101
SA−101−
After differential lock, lock not release
When vehicle speed is higher than approx. 8 km/h (5mph)1. Speed sensor: faulty
2. Diff. lock ECU: faulty
3. Wiring or ground: faultyBE−32
SA−101 −
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