1998 TOYOTA LAND CRUISER relay

BE-4
- BODY ELECTRICALTROUBLESHOOTING
2377 Author
: Date
:
2004 LAND CRUISER (RM1071U) Turn signal does not light up in one direction.
1. Turn Signal Switch
2. Wire HarnessBE-40
-
Only one bulb does not light up.1. Bulb
2. Wire Harness-
-
INTERIOR LIGHT SYSTEM:
This system uses the body control system, so check the body control system before you proceed with trou-
bleshooting(See page DI-1038).
SymptomSuspect AreaSee page
All the lights do not come ON.
1. DOME Fuse
2. Body ECU
3. DOME Relay(Cowl Side J/B LH)-
DI-1038
-
The light does not come ON when the driver's door is opened.1. Driver's Door Courtesy Switch
2. Wire HarnessBE-44
-
The light does not come ON when the passenger's door is
opened.1. Passenger's Door Courtesy Switch
2. Wire HarnessBE-44
-
The light does not come on when the rear-right door is opened.1. Rear-Right Door Courtesy Switch
2. Wire HarnessBE-44
-
The light does not come on when the rear-left door is opened.1. Rear-Left Door Courtesy Switch
2. Wire HarnessBE-44
-
Only one of the bulbs comes ON.1. Bulb-
The illumination does not fade out when all the doors are closed.
1. Courtesy Switch
2. Wire Harness
3. Boby ECUBE-44
-
DI-1038
The illumination does not fade out immediately when the ignition
switch is turned to ACC or ON within 15 seconds after all the
doors are closed.
1. Ignition Switch
2. ACC Fuse
3. ECU-IG1 Fuse
4. Body ECU
5. Wire HarnessBE-29
-
-
DI-1038
-
The illumination does not fade out immediately when all the doors
are locked within 15 seconds after they are closed.1. Door Unlock Detection Switch
2. Wire HarnessBE-88
-
Room light does not light up.
1. Bulb
2. Room Light
3. Rear Personal Light
4. Wire Harness-
BE-44
BE-44
-
Front personal light does not light up.
1. Bulb
2. Front Personal Light
3. Room Light
4. Wire Harness-
BE-44
BE-44
-
Rear Room light does not light up.
1. Bulb
2. Rear Room Light
3. Wire Harness-
BE-44
-
Vanity light does not light up.
1. Bulb
2. Vanity Light
3. Wire Harness-
BE-44
-
Glove compartment light does not light up.
1. Bulb
2. Glove Compartment Courtesy Switch
3. Wire Harness-
BE-44
-
Courtesy light does not light up.
1. Bulb
2. Door Courtesy Switch
3. Wire Harness-
BE-44
-

- BODY ELECTRICALTROUBLESHOOTING
BE-5
2378 Author
: Date
:
2004 LAND CRUISER (RM1071U)
BACK-UP LIGHT SYSTEM:
SymptomSuspect AreaSee page
Back-up Light does not light up.
1. GAUGE2 Fuse
2. Ignition Switch
3. Wire Harness
4. Bulb-
BE-29
-
-
Back-up Light remains always on.1. Park/ Neutral Position Switch
2. Wire HarnessDI-402
-
Only one light does not light up.1. Bulb
2. Wire Harness-
-
STOP LIGHT SYSTEM:
SymptomSuspect AreaSee page
Stop light does not light up.
1. STOP Fuse
2. Stop Light Switch
3. Wire Harness-
BE-50
-
Stop light always lights up.1. Stop Light Switch
2. Wire HarnessBE-50
-
Only one light always lights up.1. Wire Harness-
Only one light does not light up.1. Bulb
2. Wire Harness-
-
WIPER AND WASHER SYSTEM:
SymptomSuspect AreaSee page
Front wiper and washer do not operate.
1. WIPER Fuse
2. Wiper Switch
3. Wiper Motor
4. Wire Harness-
BE-52
BE-52
-
Front wiper does not operate in LO or HI.
1. Wiper Switch
2. Wiper Motor
3. Wire HarnessBE-52
BE-52
-
Front wiper does not operate in INT.
1. Wiper Switch
2. Wiper Motor
3. Wire HarnessBE-52
BE-52
-
Front washer motor does not operate.
1. WASHER Fuse
2. Washer Switch
3. Washer Motor
4. Wire Harness-
BE-52
BE-52
-
Front wiper does not operate when washer switch is ON.
1. WASHER Fuse
2. Washer Switch
3. Wiper Motor
4. Wire Harness-
BE-52
BE-52
-
Rear wiper does not operate.
1. RR WIPER Fuse
2. Rear Wiper Motor
3. Rear Wiper Switch
4. Rear Wiper Relay
5. Wire Harness-
BE-52
BE-52
BE-52
-
Rear wiper does not operate in INT or ON position.
1. Rear Wiper Switch
2. Rear Wiper Relay
3. Wire HarnessBE-52
BE-52
-
Rear wiper does not return to OFF position.1. Rear Wiper Motor
2. Wire HarnessBE-52
-

- BODY ELECTRICALTROUBLESHOOTING
BE-7
2380 Author
: Date
:
2004 LAND CRUISER (RM1071U) Seat belt warning light does not light up.
1. LED
2. Seat Belt Buckle Switch
3. Wire Harness
4. Body ECU-
BE-63
BE-63
DI-1038
Discharge warning light does not light up.
1. METER Fuse
2. LED
3. Wire Harness
4. Generator-
-
-
CH-2
Brake warning light does not light up.
1. LED
2. Parking Brake Switch
3. Brake Fluid Level Warning Switch
4. LED Check Relay
5. Combination Meter
6. Wire Harness-
BE-63
BE-63
BE-63
BE-58
-
SRS warning light does not light up.
1. ECU-B2 Fuse
2. LED
3. Airbag Sensor Assembly
4. Combination Meter
5. Wire Harness-
-
DI-690
BE-58
-
Open door warning light does not light up.
1. DOME Fuse
2. LED
3. Door Courtesy Switch
4. Combination Meter
5. Wire Harness-
-
BE-44
BE-58
-
A/T oil temperature warning light does not light up.
1. LED
2. Combination Meter
3. Wire Harness
4. ECM-
BE-63
BE-58
DI-1
COMBINATION METER (Indicator Light):
SymptomSuspect AreaSee page
Cruise control indicator light does not light up.
1. LED
2. Combination Meter
3. Wire Harness
4. ECM-
BE-58
-
DI-1
High-beam indicator light does not light up.
1. LED
2. Combination Meter
3. Wire Harness
4. Headlight System-
BE-58
-
BE-30
Turn indicator light does not light up.
1. LED
2. Combination Meter
3. Wire Harness
4. Turn Signal and Hazard Warning System-
BE-58
-
BE-39
Shift indicator lights do not light up.
1. LED
2. Combination Meter
3. Park/Neutral Position Switch
4. Wire Harness-
BE-58
-
-
Only one shift indicator does not light up.1. LED
2. Combination Meter-
BE-58
Malfunction indicator light does not light up.
1. LED
2. Combination Meter
3. Wire Harness
4. ECM-
BE-58
-
DI-1

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
-

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
-

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

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.