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
-
2004 LAND CRUISER (EWD548U)
153
Normal Operation
*When the front Door LH or RH is opened, the door courtesy light front LH, RH and open door warning light is turned on.
When the front door LH and RH are closed, the door courtesy light front LH, RH is turned off.
*When the rear door LH, RH or the back door is opened, door courtesy light rear LH, RH, rear interior light and the open
door warning light is turned on. When the rear door LH, RH and back door are closed, the door courtesy light rear LH, RH
is turned off.
*When all the doors are closed, the open door warning light is turned off.
Turn Off Function
When the ignition SW turned off and there is no change in the door courtesy SW for approx. 30 minute, the DOME relay is
turned off. The DOME relay is turned on again when any of the following conditions are met.
*Ignition SW is turned from OFF position to ACC or ON position
*Change to any door courtesy SW
*Driver or front passenger door is unlocked by the key or transmitter
Immediate Turn Off Function at Door Lock
When all the doors are closed, and the driver or front passenger door is locked by the key or transmitter, the DOME relay is
turned off, after approx. 80 seconds. However, when the illuminated entry system is operating, the DOME relay is turned off
after the operation is completed. the DOME relay is turned on again when any of the following conditions are met.
*Ignition SW is turned from OFF position to ACC or ON position
*Change to any door courtesy SW
*Driver or front passenger door is unlocked by the key or transmitter
Illuminated Entry System
*When any door is opened, each light is turned on.
*The light remains on for approx. 15 seconds after all doors are closed, and fades out.
*With the ignition SW is at ACC or ON position, and any door open, when all the doors are closed, each light fades out
immediately.
*When the ignition SW is turned to ACC or ON position during timer lighting, each light fades out immediately.
*When the doors are locked during timer lighting, each light fades out immediately.
*The lights include, the front interior light, ignition key cylinder light, and front door courtesy light LH, RH.
: Parts Location
CodeSee PageCodeSee PageCodeSee Page
B272D1372F1172
B372D1472J1471
B7A70D1572J2272
B8B70D1672P1273
B9C70D1772R2773
C12A70D1872T571
C15D70D1972T1071
D1072D2072V673
D1172D2772V773
D1272F1072
:Junction Block and Wire Harness Connector
CodeSee PageJunction Block and Wire Harness (Connector Location)
2E28Dash Wire and Cowl Side J/B LH (Left Kick Panel)2G28Dash Wire and Cowl Side J/B LH (Left Kick Panel)
2I28Front Door LH Wire and Cowl Side J/B LH (Left Kick Panel)
2K28Floor No.1 Wire and Cowl Side J/B LH (Left Kick Panel)
2L28Roof No.1 Wire and Cowl Side J/B LH (Left Kick Panel)
2Q30Instrument Panel Integration Wire and Cowl Side J/B LH (Left Kick Panel)
3E40Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3I40Front Door RH Wire and Cowl Side J/B RH (Right Kick Panel)3J40Front Door RH Wire and Cowl Side J/B RH (Right Kick Panel)
3K40Floor No.2 Wire and Cowl Side J/B RH (Right Kick Panel)
3Q42Instrument Panel Integration Wire and Cowl Side J/B RH (Right Kick Panel)
System Outline
