TOYOTA LAND CRUISER 1998 Factory Repair Manual

BE-8
- BODY ELECTRICALTROUBLESHOOTING
2381 Author
: Date
:
2004 LAND CRUISER (RM1071U) ECT PWR indicator light does not light up.
1. LED
2. ECT Pattern Select Switch
3. Combination Meter
4. Wire Harness
5. ECT System-
-
BE-58
-
DI-358
2nd start ETCS indicator light does not light up.
1. LED
2. Combination Meter
3. Wire Harness
4. ECM-
BE-58
-
DI-1
Center Diff. lock indicator light does not light up.
1. LED
2. Combination Meter
3. Transfer 4WD Position Detection Switch
4. Wire Harness-
BE-58
TR-49
-
Indicator lights do not light up. (Except Turn, Hi-beam and
security)1. GAUGE2 Fuse
2. Wire Harness-
-
DEFOGGER SYSTEM:
SymptomSuspect AreaSee page
All defogger systems do not operate.
1. DEFOG Fuse
2. DEFOG Relay
3. Defogger Switch (Integration Control Panel Assembly)
4. Wire Harness-
-
BE-75
-
Rear window defogger does not operate.
1. Defogger Wire
2. Choke Coil
3. Wire HarnessBE-75
-
-
Mirror defogger does not operate.
1. MIR HTR Fuse
2. Engine Room J/B Relay Circuit
3. Mirror Defogger
4. Wire Harness-
BE-15
BE-75
-
POWER WINDOW CONTROL SYSTEM:
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before you proceed with troubleshooting.
SymptomSuspect AreaSee page
All the power windows do not operate.
(Power Door Lock System is normal.)1. P/W (FL, FR, RL, RR) Fuse
2. Power Window Master Switch
3. Wire Harness-
BE-79
-
Only the driver's window does not operate.
1. Power Window Master Switch
2. Body ECU
3. Power Window Motor
4. Wire HarnessBE-79
DI-1038
BE-79
-
ºWindow lock functionº does not operate.1. Power Window Master SwitchBE-79
POWER DOOR LOCK CONTROL SYSTEM:
This system uses the body control system, so check diagnosis system of the body control system before
you proceed with troubleshooting.
SymptomSuspect AreaSee page
All the doors cannot be locked or unlocked.
(Power Window Control System is normal.)
1. DOOR Fuse
2. Door Lock Control Switch
3. Wire Harness
4. Body ECU-
BE-88
-
DI-1038
Only one side door lock control does not operate.1. Door Lock Motor
2. Wire HarnessBE-88
-

- BODY ELECTRICALTROUBLESHOOTING
BE-9
2382 Author
: Date
:
2004 LAND CRUISER (RM1071U) Door key related function does not operate.
1. Door Key Lock and Unlock Switch
2. Wire Harness
3. Body ECUBE-88
-
DI-1038
Key confinement prevention function does not operate.
1. Key Unlock Warning Switch
2. Door Courtesy Switch
3. Wire HarnessBE-29
BE-44
-
POWER SEAT CONTROL SYSTEM:
SymptomSuspect AreaSee page
Both driver and passenger power seats do not operate.
(Door lock does not operate.)1. ALTS Fuse
2. Wire Harness-
-
Driver's seat does not operate.
1. LH SEAT Fuse
2. Power Seat Switch (D)
3. Wire Harness-
BE-1 10
-
Passenger's seat does not operate.
1. RH SEAT Fuse
2. Power Seat Switch (P)
3. Wire Harness-
BE-1 10
-
ºSlide operationº does not operate.
1. Power Seat Switch (D, P)
2. Wire Harness
3. Slide Motor (D, P)BE-1 10
-
BE-1 10
ºFront vertical operationº does not operate.
1. Power Seat Switch (D, P)
2. Wire Harness
3. Front Vertical Motor (D, P)BE-1 10
-
BE-1 10
ºLifter operationº does not operate.
1. Power Seat Switch (D, P)
2. Wire Harness
3. Lifter Motor (D, P)BE-1 10
-
BE-1 10
ºReclining operationº does not operate.
1. Power Seat Switch (D, P)
2. Wire Harness
3. Reclining Motor (D, P)BE-1 10
-
BE-1 10
ºLumbar support operationº does not operate.
1. Power Seat Switch (D)
2. Wire Harness
3. Lumbar Support Motor (D)BE-1 10
-
BE-1 10
(D): Driver's Seat
(P): Passenger's Seat
POWER MIRROR CONTROL SYSTEM:
SymptomSuspect AreaSee page
Mirror does not operate.
1. ACC Fuse
2. Mirror Switch
3. Wire Harness-
BE-1 17
-
Mirror operates abnormally.
1. Mirror Switch
2. Mirror Motor
3. Wire HarnessBE-1 17
BE-1 17
-
SEAT HEATER SYSTEM:
SymptomSuspect AreaSee page
Seat heaters do not operate.
(Driver's and Passenger's)
1. SEAT HTR Fuse
2. Seat Heater Switch (D, P)
3. Wire Harness
4. Seat Heater-
BE-121
-
BE-121
Driver's seat heater does not operate.1. Seat Heater Switch (D, P)
2. Wire HarnessBE-121
-

BE-10
- BODY ELECTRICALTROUBLESHOOTING
2383 Author
: Date
:
2004 LAND CRUISER (RM1071U) Passenger's seat heater does not operate.
1. Seat Heater Switch (D, P)
2. Wire HarnessBE-121
-
Seat heater temperature is too hot.1. Seat HeaterBE-121
AUDIO SYSTEM:
SymptomSuspect AreaSee page
Audio system abnormal operation.TROUBLESHOOTINGSBE-129
MULTI DISPLAY:
SymptomSuspect AreaSee page
Clock will not operate.TROUBLESHOOTINGBE-178
Clock loses or gains time.TROUBLESHOOTINGBE-178
GARAGE DOOR OPENER SYSTEM:
SymptomSuspect AreaSee page
The equipment of which code has been registered does not oper-
ate.1. Garage Door Opener Switch
2. Wire Harness
3. *BE-190
-
-
LED does not light up. (Even though either switch is pressed.)1. Garage Door Opener Switch
2. Wire HarnessBE-190
-
LED does not light up. (Only one switch is pressed.)Garage Door Opener SwitchBE-190
* As the GARAGE DOOR OPENER on the vehicle side seems to be normal, check the OPENER on the
equipment side, of which code has been registered.
ENGINE IMMOBILIZER SYSTEM:
SymptomSuspect AreaSee page
Engine immobilizer system does not operate.See DIAGNOSIS SYSTEMDI-1002
HORN SYSTEM:
SymptomSuspect AreaSee page
Horn system does not operate.
1. HORN Fuse
2. Engine Room J/B Relay Circuit
3. Horn Switch
4. Horn
5. Wire Harness-
BE-15
BE-198
BE-198
-
Horns blow all the time.
1. Engine Room J/B Relay Circuit
2. Horn Switch
3. Wire HarnessBE-15
BE-198
-
One horn operates but the other horn does not operate.1. Horn
2. Wire HarnessBE-198
-
Horns operate abnormally.
1. Engine Room J/B Relay Circuit
2. Horn
3. Wire HarnessBE-15
BE-198
-

BE0RV-03
I06375
Right turn
Left turn
I25048
BE-40
- BODY ELECTRICALTURN SIGNAL AND HAZARD WARNING SYSTEM
2413 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. INSPECT TURN SIGNAL SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
Left turn7 - 8Continuity
Neutral-No continuity
Right turn6 - 7Continuity
If continuity is not as specified, replace the switch.
2. INSPECT HAZARD WARNING SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
Hazard button FREE3 - 5No continuity
Hazard button Pushed in3 - 5Continuity
If continuity is not as specified, replace the switch.

I04046
Wire Harness Side:
- BODY ELECTRICALTURN SIGNAL AND HAZARD WARNING SYSTEM
BE-41
2414 Author
: Date
:
2004 LAND CRUISER (RM1071U)
3. INSPECT TURN SIGNAL FLASHER CIRCUIT
Disconnect the connector from the combination switch and in-
spect the connector on the wire harness side, as shown.
Tester connectionConditionSpecified condition
2 - GroundConstantContinuity
3 - GroundConstantContinuity
5 - GroundTurn signal switch RIGHT or OFFNo continuity
5 - GroundTurn signal switch LEFTContinuity
6 - GroundTurn signal switch LEFT or OFFNo continuity
6 - GroundTurn signal switch RIGHTContinuity
7 - GroundConstantContinuity
8 - GroundHazard warning switch OFFNo continuity
8 - GroundHazard warning switch ONContinuity
1 - GroundIgnition switch LOCK or ACCNo voltage
1 - GroundIgnition switch ONBattery positive voltage
4 - GroundConstantBattery positive voltage
If circuit is as specified, replace the relay.
If circuit is not as specified, inspect the circuits connected to oth-
er parts.

BE0H0-12
I24737
Turn Signal Light Engine Room R/B

HAZ-TEN Fuse
Ignition Switch
Combination Switch

Turn Signal SwitchHazard Warning Switch
Turn Signal Light Cowl Side J/B LH

GAUGE 1 Fuse Turn Signal Flasher Relay
Cowl Side J/B RH

GAUGE 2 Fuse
- BODY ELECTRICALTURN SIGNAL AND HAZARD WARNING SYSTEM
BE-39
2412 Author
: Date
:
2004 LAND CRUISER (RM1071U)
TURN SIGNAL AND HAZARD WARNING SYSTEM
LOCATION

BE0RZ-03
I07176
OFF
INT
LO
HIWasher ON
I01313
2 7
16
I01314
2 7
16 17
INT time control
switch positionVoltage
0.6 - 2.6 secs.
Battery Positive
voltage
0 Volt
0 Volt 5.7 - 15.7 secs. FAST
SLOW
Battery Positive
voltage BE-52
- BODY ELECTRICALWIPER AND WASHER SYSTEM
2425 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. INSPECT FRONT WIPER AND WASHER SWITCH
CONTINUITY
Switch positionTester connectionSpecified condition
OFF7 - 16Continuity
INT7 - 16Continuity
LO7 - 17Continuity
HI8 - 17Continuity
Washer OFF-No continuity
Washer ON2 - 11Continuity
If continuity is not as specified, replace the switch.
2. INSPECT FRONT WIPER INTERMITTENT OPERA-
TION
(a) Turn the wiper switch to INT position.
(b) Turn the intermittent time control switch to FAST position.
(c) Connect the positive (+) lead from the battery to terminal
16 and the negative (-) lead to terminal 2.
(d) Connect the positive (+) lead from the voltmeter to termi-
nal 7 and the negative (-) lead to terminal 2, check that
the meter needle indicates battery voltage.
(e) After connecting terminal 16 to terminal 17, connect to
terminal 2 to terminal 17, check the voltage rises from 0
volts to battery voltage within the times, as shown in the
table.
If operation is not as specified, replace the wiper and washer
switch.

I06436
Washer 2
ON
INT
OFF
Washer 1
I06438
51
I06439
4
5
I06440
51
- BODY ELECTRICALWIPER AND WASHER SYSTEM
BE-53
2426 Author
: Date
:
2004 LAND CRUISER (RM1071U)
3. INSPECT REAR WIPER AND WASHER SWITCH CON-
TINUITY
Switch positionTester connectionSpecified condition
Washer 12 - 12Continuity
OFF-No Continuity
INT2 - 13Continuity
ON2 - 10Continuity
Washer 22 - 10 - 12Continuity
If continuity is not as specified, replace the switch.
4. Low speed:
INSPECT FRONT WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 1 and
the negative (-) lead to terminal 5, check that the motor oper-
ates at low speed.
If operation is not as specified, replace the motor.
5. High speed:
INSPECT FRONT WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 4 and
the negative (-) lead to terminal 5, check that the motor oper-
ates at high speed.
If operation is not as specified, replace the motor.
6. Stopping at stop position:
INSPECT FRONT WIPER MOTOR OPERATION
(a) Operate the motor at low speed and stop the motor opera-
tion anywhere except at the stop position by disconnect-
ing positive (+) lead from terminal 1.

I06441
1
52 3
I01975
2
1
I25796
3 2
I25797
3 2
I25798
1
2
3 4
BE-54
- BODY ELECTRICALWIPER AND WASHER SYSTEM
2427 Author
: Date
:
2004 LAND CRUISER (RM1071U)
(b) Connect terminals 1 and 3.
(c) Connect the positive (+) lead from the battery to terminal
2 and negative (-) lead to terminal 5, check that the motor
stops running at the stop position after the motor operates
again.
If operation is not as specified, replace the motor.
7. INSPECT FRONT WASHER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 2 and
the negative (-) lead to terminal 1, check that the motor oper-
ates.
8. Low speed:
INSPECT REAR WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 3 and
negative (-) lead to terminal 2, check that the motor operates
at low speed.
If operation is not as specified, replace the motor.
9. Stopping at stop position:
INSPECT REAR WIPER MOTOR OPERATION
(a) Operate the motor at low speed and stop the motor opera-
tion anywhere except at the stop position by disconnect-
ing positive (+) lead from terminal 3.
(b) Connect terminals 3 and 4.
(c) Connect the positive (+) lead from the battery to terminal
1 and negative (-) lead to terminal 2, check that the motor
stops running at the stop position after the motor operates
again.
If operation is not as specified, replace the motor.
NOTICE:
These tests must be performed quickly (within 20 seconds) to
prevent the coil from burning out.
If operation is not as specified, replace the motor.

I01272
2
1
I25793
- BODY ELECTRICALWIPER AND WASHER SYSTEM
BE-55
2428 Author
: Date
:
2004 LAND CRUISER (RM1071U)
10. INSPECT REAR WASHER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 2 and
the negative (-) lead to terminal 1, check that the motor oper-
ates.
NOTICE:
These tests must be performed quickly (within 20 seconds) to
prevent the coil from burning out.
If operation is not as specified, replace the motor.
11. INSPECT REAR WIPER RELAY CONTINUITY
Switch positionTester connectionSpecified condition
OFF--
INT1 - 4 - 6Continuity
LO3 - 5 - 6Continuity
Wash23 - 5 - 6Continuity
If continuity is not as specified, replace the relay.