1986 TOYOTA LAND CRUISER door lock

BE0HQ-19
I24748
Door Key Lock and
Unlock Switch
Back Door Lock Assembly

Back Door Lock Motor

Back Door Unlock Detection Switch Front Door Lock Assembly

Front Door Lock Motor

Front Door Unlock Detection SwitchRear Door Lock Assembly

Rear Door Lock Motor

Rear Door Unlock Detection Switch
Front Door Lock Assembly

Front Door Lock Motor

Front Door Unlock
Detection Switch
Rear Door Lock Assembly

Rear Door Lock Motor

Rear Door Unlock
Detection Switch
Ignition Switch Power Window Master Switch

Door Lock Manual Switch
Cowl Side J/B LH

DOOR FuseDoor Lock Switch
- BODY ELECTRICALPOWER DOOR LOCK CONTROL SYSTEM
BE-87
2460 Author
: Date
:
2004 LAND CRUISER (RM1071U)
POWER DOOR LOCK CONTROL SYSTEM
LOCATION

BE-24
- BODY ELECTRICALPOWER SOURCE
2397 Author
: Date
:
2004 LAND CRUISER (RM1071U) ACC 13 - Ground
Ignition switch ACCBattery positive voltage
CIG 15 - GroundIgnition switch ACCBattery positive voltage
PWR OUTLET 17 - GroundIgnition switch ACCBattery positive voltage
OBD-2 20 - GroundConstantBattery positive voltage
STOP 22 - GroundConstantBattery positive voltage
A/C 24 - GroundIgnition switch ONBattery positive voltage
BATT CHARGE 26 - GroundConstantBattery positive voltage
DBL LOCK 39 - GroundConstantBattery positive voltage
ECU-B1 29 - GroundConstantBattery positive voltage
ECU-IG1 32 - GroundIgnition switch ONBattery positive voltage
GAUGE1 34 - GroundIgnition switch ONBattery positive voltage
EFI or ECD NO.2 35 - GroundConstantBattery positive voltage
RR WIPER 37 - GroundIgnition switch ONBattery positive voltage
SUN ROOF 39 - GroundConstantBattery positive voltage
DOOR 41 - GroundConstantBattery positive voltage
LH SEAT 43 - GroundConstantBattery positive voltage
IDLE UP 46 - GroundRear deffoger system ONBattery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
(b) Remove the relay from the junction block and inspect the
connector on junction block side.
Relay Tester connectionConditionSpecified condition
DOME 1 - GroundConstantBattery positive voltage
DOME 5 - GroundConstantBattery positive voltage
ACC 5 - GroundConstantBattery positive voltage
ACC 2 - GroundIgnition switch ONBattery positive voltage
IG1 NO.2 5 - GroundConstantBattery positive voltage
IG1 NO.2 2 - GroundIgnition switch ONBattery positive voltage
DEFOG 5 - GroundConstantBattery positive voltage
DEFOG 1 - GroundIgnition switch ONBattery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.

I24922
Cowl Side J/B LH
ABCD
Relays:
A. DEFOG
B. IG1 No.2
C. ACC
D. DOME Fuses:
1. AHC-IG
2. POWER HTR
3. FUEL HTR
4. AHC-B
5. DEFOG
6. AM1
7. ACC
8. CIG
9. PWR OUTLET
10. OBD-2
11. STOP
12. A/C
13. BATT CHARGE
14. DBL LOCK
15. ECU-B1
16. ECU-IG1
17. GAUGE1
18. EFI or ECD NO.2
19. RR WIPER
20. SUN ROOF
21. DOOR
22. LH SEAT
23. IDLE UP
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23
- BODY ELECTRICALPOWER SOURCE
BE-13
2386 Author
: Date
:
2004 LAND CRUISER (RM1071U)

I075004 1
I075014 1
I06178
1
4
I06177
1
4
I21322
4 1
BE-80
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
2453 Author
: Date
:
2004 LAND CRUISER (RM1071U)
3. Driver 's door and rear right door:
INSPECT POWER WINDOW MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 4, check that the
motor turns counterclockwise.
(b) Reverse the polarity, check that the motor turns clock-
wise.
If operation is not as specified, replace the motor.
4. Passenger 's door and rear left door:
INSPECT POWER WINDOW MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
4 and the negative (-) lead to terminal 1, check that the
motor turns clockwise.
(b) Reverse the polarity, check that the motor turns counter-
clockwise.
If operation is not as specified, replace the motor.
5. INSPECT POWER WINDOW MOTOR PTC THERM-
ISTOR OPERATION
(a) Disconnect the connector from the power window motor.
(b) Connect the positive (+) lead from the ammeter to termi-
nal 1 on the wire harness side connector and the negative
(-) lead to negative terminal of the battery.
(c) Connect the positive (+) lead from the battery to terminal
4 on the wire harness side connector, and raise the win-
dow to the fully position.

BE0S9-04
I06151
I04045
Wire Harness Side:
- BODY ELECTRICALSLIDING ROOF SYSTEM
BE-107
2480 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. INSPECT SLIDING ROOF SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
SLIDE OPEN3 - 5Continuity
SLIDE OFF -No continuity
SLIDE CLOSE3 - 4Continuity
TILT DOWN2 - 3Continuity
TILT OFF -No continuity
TILT UP1 - 3Continuity
If continuity is not as specified, replace the switch.
2. INSPECT SLIDING ROOF CONTROL ASSEMBLY CIR-
CUIT
Disconnect the connector from the ECU and inspect the con-
nector on the wire harness side, as shown in the chart.
Tester connectionConditionSpecified condition
1 - GroundConstantContinuity
4 - GroundSliding roof control switch (TILT) OFF or CLOSENo continuity
4 - GroundSliding roof control switch (TILT) UPContinuity
5 - GroundConstantBattery positive voltage
3 - GroundConstantContinuity
3 - GroundSliding roof control switch (TILT) OFF or UPNo continuity
7 - GroundSliding roof control switch (TILT) DOWNContinuity
8 - GroundIgnition switch LOCK or ACC* No voltage
8 - GroundIgnition switch ONBattery positive voltage
9 - GroundSliding roof control switch (SLIDE) OFF or
CLOSENo continuity
9 - GroundSliding roof control switch (SLIDE) OPENContinuity
10 - GroundSliding roof control switch (SLIDE) OFF or OPENNo continuity
10 - GroundSliding roof control switch (SLIDE) CLOSEContinuity
*: Exceptions: During 45 second period after ignition switch
ON"OFF (ACC) or until driver or passenger door is opened af-
ter ignition switch ON"OFF (ACC).

BE01J-17
BE-2
- BODY ELECTRICALTROUBLESHOOTING
2375 Author
: Date
:
2004 LAND CRUISER (RM1071U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH:
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
Ignition switch is not set to each position.4. Ignition switch
5. Power source circuitBE-29
-
Ignition key illumination does not light up.
1. Bulb
2. Body ECU
3. Wire Hauness-
DI-1038
-
Key unlock warning system does not operate.
(The buzzer does not sound when the driver's door is opened with
the ignition OFF and key inserted)1. Key Unlock Warning Switch
2. Door Courtesy Switch
3. Wire HarnessBE-29
BE-44
-
Key unlock warning system does not operate.
(The buzzer sounds when the ignition key is in ACC or ON)1. Ignition Switch
2. Wire HarnessBE-29
-
HEADLIGHT AND TAILLIGHT 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
ºAutomatic light control systemº does not operate.
1. Automatic Light Control Sensor
2. Light Control Switch
3. Door Courtesy Switch
4. Wire HarnessBE-32
BE-32
BE-44
-
Auto turn-off system does not operate when the driver's door is
opened.1. Drivers Door Courtesy SwitchBE-44
Auto turn-off system:
Headlight and taillight do not come on.1. Body ECU
2. Wire HarnessDI-1038
-
Auto turn-off system:
Headlight and taillight stay on.1. Body ECU
2. Wire HarnessDI-1038
-
Only one headlight comes on.
1. Daytime Running Light No.3, 4 Relays
2. Body ECU
3. Bulb
4. Wire HarnessBE-32
BE-32
-
-
ºLO-beamº does not light (All).1. Engine Room J/B Relay Circuit
2. Wire HarnessBE-15
-
ºLO-beamº does not light (One side).
1. Bulb
2. H-LP L-LWR Fuse
3. H-LP R-LWR Fuse
4. Wire Harness-
-
-
-
ºHI-beamº does not light (All).
1. Headlight Dimmer Switch
2. Body ECU
3. Wire HarnessBE-32
BE-32
-
ºHI-beamº does not light (One side).
1. Bulb
2. H-LP L-UPR Fuse
3. H-LP R-UPR Fuse
4. Daytime Running Light No.3, 4 Relays
5. Wire Harness-
-
-
BE-32
-
ºFlashº does not light.
1. Headlight Dimmer Switch
2. Body ECU
3. Wire HarnessBE-32
BE-32
-

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
-

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
-