Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 bcsy pst
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DI-636
DIAGNOSTICS - BODY CONTROL SYSTEM
DI6LJ-03
PROBLEM SYMPTOMS TABLE
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH:
Symptom Suspect Area See page
1. Ignition switch BE-15
Ignition switch is not set to each position.
2. Power source circuit DI-639
1. Power source circuit DI-639
Key unlock warning system does not operate.
2. Key unlock warning switch circuit DI-673
(The buzzer does not sound when the driver's door is opened with
3. Door courtesy switch circuit DI-657
the ignition OFF and key inserted)
4. Body ECU (Integration relay) DI-632
Key unlock warning system does not operate. 1. Ignition switch BE-15
(The buzzer sounds when the ignition key is ACC or ON) 2. Power source circuit DI-639
HEADLIGHT AND TAILLIGHT SYSTEM :
Symptom Suspect Area See page
1. Light control senser circuit DI-675
Automatic light control system does not operate .
2. Body ECU DI-632
1. Headlight bulb -
2. Headlight control relay circuit DI-647
Headlight does not light.
3. Light control switch circuit DI-643
4. Body ECU (Integration Relay) DI-632
1. Headlight bulb -
2. Headlight control relay circuit DI-647
"Lo-Beam" does not light.
3. Headlight dimmer switch DI-643
4. Body ECU (Integration relay) DI-632
1. Headlight bulb -
2. Headlight relay circuit DI-647
"Hi-Beam" does not light.
3. Headlight dimmer switch DI-643
4. Body ECU (Integration relay) DI-632
1. Headlight bulb -
2. Headlight relay circuit DI-647
"Flash" does not light.
3. Headlight dimmer switch DI-643
4. Body ECU (Integration relay) DI-632
Headlight does not light with engine running and light control SW 1. Generator CH-10
OFF. 2. Body ECU (Integration relay) DI-632
1. Taillight control relay circuit DI-645
Taillight does not light. 2. Light control switch circuit DI-643
3. Body ECU (Integration relay) DI-632
AUTO TURN OFF SYSTEM:
Symptom Suspect Area See page
1. Drivers door courtesy switch circuit DI-657
"Auto turn-off system" does not operate. 2. Key unlock warning switch DI-673
3. Body ECU (Integration relay) DI-632
INTERIOR LIGHT SYSTEM:
Symptom Suspect Area See page
1. Bulb -
Only one light does not light up. 2. Illumination circuit DI-659
3. Body ECU (Integration relay) DI-632
1. Illumination circuit DI-659
Room light does not light up (All).
2. Body ECU (Integration relay) DI-632
2001 SIENNA (RM787U)
Author : Date : 790
DI-637
DIAGNOSTICS - BODY CONTROL SYSTEM
1. Bulb -
2. Room light assembly BE-31
Room light does not light up (Room light only).
3. Illumination circuit DI-659
4. Body ECU (Integration relay) DI-632
1. Illumination circuit DI-659
2. Door courtesy switch circuit DI-657
"Illuminated Entry System" does not operate.
3. Unlock detection switch circuit DI-655
4. Body ECU (Integration relay) DI-632
1. Bulb -
2. Front personal light BE-31
Front personal light does not light up.
3. Illumination circuit DI-659
4. Body ECU (Integration relay) DI-632
1. Bulb -
Interior light NO.1 does not light up. 2. Interior light NO.1 BE-31
3. Illumination circuit DI-659
1. Bulb -
Vanity light does not light up. 2. Vanity light BE-31
3. Body ECU (Integration relay) DI-632
1. Bulb -
2. Interior light NO.2 BE-31
Interior light NO.2 does not light up.
3. Illumination circuit DI-659
4. Body ECU (Integration relay) DI-632
COMBINATION METER:
Symptom Suspect Area See page
1. Warning light circuit DI-665
2. Buckle switch circuit DI-667
Seat Belt warning light does not light up.
3. Meter circuit plate BE-43
4. Body ECU (Integration relay) DI-632
1. Warning light circuit DI-663
2. Door courtesy switch circuit DI-657
Open Door warning light does not light up. 3. Illumination circuit DI-659
4. Meter circuit plate BE-43
5. Body ECU (Integration relay) DI-632
POWER DOOR LOCK CONTROL SYSTEM:
Symptom Suspect Area See page
1. GAUGE Fuse -
2. DOOR Fuse -
"Door lock system" does not operate at all.
3. Body ECU (Integration relay) DI-632
4. Wire harness -
5. Body ECU (Integration relay) DI-632
Door lock system does not operate by manual switch.
6. Wire harness -
1. Door Key Lock and Unlock Switch circuit DI-653
Door lock system does not operate by door key. 2. Body ECU (Integration relay) DI-632
3. Door Lock Link Disconnected -
1. Door Key Lock and Unlock Switch circuit DI-653
Fault in 2-Operation unlock function of Driver's side door key lock
2. Body ECU (Integration relay) DI-632
and unlock switch.
3. Wire harness -
1. Door Lock Motor circuit DI-649
Only one door lock does not operate.
2. Body ECU (Integration relay) DI-632
1. Key unlock warning switch circuit DI-653
Key confinement prevention function does not operate.
2. Body ECU (Integration relay) DI-632
1. Door lock motor circuit DI-649
Auto lock/unlock system does not operate.
2. Body ECU (Integration relay) DI-632
2001 SIENNA (RM787U)
Author : Date : 791
DI-638
DIAGNOSTICS - BODY CONTROL SYSTEM
WIRELESS DOOR LOCK CONTROL SYSTEM:
Symptom Suspect Area See page
1. Wireless door lock tuner circuit DI-679
All functions of wireless door lock control system do not operate. 2. Key unlock warning switch circuit DI-673
3. Body ECU (Integration relay) DI-632
1. Door key lock and unlock switch circuit DI-653
Lock or unlock function does not operate. 2. Door unlock detection switch circuit DI-673
3. Body ECU (Integration relay) DI-632
Automatic lock function operates even if any door is opened within
1. Door courtesy switch circuit DI-657
30 seconds after all doors are unlocked by wireless door lock
2. Body ECU (Integration relay) DI-632
control system.
1. Wireless door lock buzzer circuit DI-681
Wireless door lock operates, but the buzzer does not sound. 2. Wireless door lock tuner circuit DI-679
3. Body ECU (Integration relay) DI-632
1. Wireless door lock tuner circuit DI-679
Buzzer sound, but wireless door lock function does not operate.
2. Body ECU (Integration relay) DI-632
HORN SYSTEM:
Symptom Suspect Area See page
1. Horn circuit DI-677
Horn system does not operate.
2. Body ECU (Integration relay) DI-632
1. Horn circuit DI-677
Horns blow all the time.
2. Body ECU (Integration relay) DI-632
1. Horn circuit DI-677
One horn operates but the other horn does not operate.
2. Body ECU (Integration relay) DI-632
1. Horn circuit DI-677
Horns operate abnormally.
2. Body ECU (Integration relay) DI-632
2001 SIENNA (RM787U)
Author : Date : 792
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