Toyota Sequoia (2005). Manual — part 855
–
BODY ELECTRICAL
TROUBLESHOOTING
BE–5
3409
Taillight does not go off when light control switch is in OFF posi-
tion.
1. TAILLIGHT Relay
2. Light Control Switch
3. Wire Harness
4. Body ECU
–
–
Headlight does not come on when engine is running and light
control switch is in OFF position .
1. ECU–B Fuse
2. MAIN Fuse
3. HEAD Relay
4. DRL Fuse
5. DRL No. 4 Relay
6. DIMMER Relay
7. Parking Brake Switch
8. Wire Harness
9. Body ECU
–
–
FOG LIGHT SYSTEM
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before you proceed with troubleshooting.
Symptom
Suspect Area
See page
Fog light does not come on with light control switch is in HEAD
position.
(Headlight is normal.)
1. FOG Fuse
2. FOG LIGHT Relay
3. Fog Light Switch
4. Wire Harness
5. Body ECU
–
–
Fog light does not come on with light control switch is in HEAD
position.
(Headlight does not light).
1.
*1
Other Parts
2. Wire Harness
–
–
Only one light does not come on.
1. Bulb
2. Wire Harness
–
–
*1: Inspect Headlight System
TURN SIGNAL AND HAZARD WARNING SYSTEM
Symptom
Suspect Area
See page
”Hazard” and ”Turn” do not light up.
1. GAUGE Fuse
2. TURN–HAZ Fuse
3. Ignition Switch
4. Turn Signal Flasher Relay
5. Wire Harness
–
Hazard warning light does not light up.
(Turn is normal)
1. Hazard Warning Switch
2. Wire Harness
3. Turn Signal Flasher Relay
–
Turn signal does not light up.
(Hazard is normal)
1. Turn Signal Switch
2. Wire Harness
3. Turn Signal Flasher Relay
–
Turn signal does not light up in one direction.
1. Bulb
2. Wire Harness
–
–
Only one bulb does not light up.
1. Bulb
2. Wire Harness
–
–
INTERIOR LIGHT SYSTEM
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before you proceed with troubleshooting.
Symptom
Suspect Area
See page
All the interior lights do not come on.
1. DOME Fuse
2. Illumination Circuit
3. Body ECU
–
BE–6
–
BODY ELECTRICAL
TROUBLESHOOTING
3410
The interior light does not come on when the driver’s door is
opened.
1. Driver’s Door Courtesy Light Switch
2. Wire Harness
3. Body ECU
–
–
The light does not come on when the passenger’s door is opened.
1. Passenger’s Door Courtesy Light Switch
2. Wire Harness
3. Body ECU
–
–
The light does not come on when the rear–right door is opened.
1. Rear–Right Door Courtesy Light Switch
2. Wire Harness
3. Body ECU
–
–
The light does not come on when the rear–left door is opened.
1. Rear–Left Door Courtesy Light Switch
2. Wire Harness
3. Body ECU
–
–
Only one of the bulbs comes on.
Bulb
–
The illumination does not fade out when all the doors are closed.
1. Courtesy Light Switch
2. Body ECU
–
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. Body ECU
–
Front personal light does not come on.
1. Bulb
2. Front Personal Light
3. Wire Harness
–
–
Room light does not come on.
1. Bulb
2. Room Light
3. Wire Harness
–
–
Vanity light does not come on.
1. Bulb
2. Vanity Light
3. Wire Harness
–
–
Luggage Room light does not come on.
1. Bulb
2. Back Door Courtesy Light Switch
3. Body ECU
–
–
Courtesy light does not come on.
1. Bulb
2. Door Courtesy Light Switch
3. Body ECU
–
–
Does not operate the illuminated entry
1. Illumination Circuit
2. Body ECU
–
All functions of the body control system do not operate.
1. Power Source Circuit
2. Body ECU
–
BACK–UP LIGHT SYSTEM
Symptom
Suspect Area
See page
Back–Up Light does not come on.
1. Bulb
2. GAUGE Fuse
3. BACK–UP LIGHT Relay
4. Instrument Panel J/B (IPO) Circuit
5. Ignition Switch
6. Wire Harness
–
–
Back–Up Light always remains on.
1. Park/Neutral Position Switch
2. BACK–UP LIGHT Relay
3. Wire Harness
–
Only one light does not come on.
1. Bulb
2. Wire Harness
–
–
–
BODY ELECTRICAL
TROUBLESHOOTING
BE–7
3411
STOP LIGHT SYSTEM
Symptom
Suspect Area
See page
Stop light does not come on.
1. STOP Fuse
2. Stop Light Switch
3. Wire Harness
–
Stop light always come on.
1. Stop Light Switch
2. Wire Harness
–
Only one light does not come on.
1. Bulb
2. Wire Harness
–
–
WIPER AND WASHER SYSTEM
Symptom
Suspect Area
See page
Wipers and washer do not operate.
1. AM1 Fuse
2. Wiper Switch
3. Wire Harness
–
Wipers do not operate.
1. WIP Fuse
2. Wiper Switch
3. Wiper Motor
4. Wire Harness
–
Washer motor does not operate.
1. WSH Fuse
2. Washer Switch
3. Washer Motor
4. Wire Harness
–
Wipers do not operate when washer switch ON.
1. WSH Fuse
2. Washer Switch
3. Wiper Motor
4. Wire Harness
–
Washer fluid is not injected.
Washer Hose and Nozzle
–
When wiper switch is in HI position, the wiper blade is in contact
with the body.
When the wiper switch is OFF, the wiper blade does not retract
or the retract position is wrong.
1. Wiper Motor *
1
2. Wire harness *
1
–
*
1
: Inspect wiper arm and blade set positions.
REAR WIPER AND WASHER SYSTEM
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before you proceed with troubleshooting.
Symptom
Suspect Area
See page
Rear Wiper does not operate.
1. Rear Wiper and Washer Switch
2. Rear Wiper Motor
3. Back Door ECU
4. Body ECU
–
–
Rear Washer does not operate.
1. Rear Wiper and Washer Switch
2. Rear Washer Motor
3. Back Door ECU
4. Body ECU
–
–
COMBINATION METER
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before you proceed with troubleshooting.
Symptom
Suspect Area
See page
Combination meter system abnormal operation.
See DIAGNOSIS SYSTEM
BE–8
–
BODY ELECTRICAL
TROUBLESHOOTING
3412
DEFOGGER SYSTEM
Symptom
Suspect Area
See page
Rear window defogger does not operate.
1. HTR Fuse
2. DEFOG Fuse
3. DEFOG Relay
4. Defogger Switch (in A/C Panel Switch)
5. Defogger Wire
6. Wire Harness
–
Mirror defogger does not operate.
1. MIR–HTR Fuse
2. HTR Fuse
3. Mirror Heater Relay
4. Mirror Heater
5. Wire Harness
–
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.
Symptom
Suspect Area
See page
All the power windows do not operate.
(Power door lock system is normal.)
1. POWER MAIN Relay
2. Driver Door ECU (Power Window Master Switch)
3. Body ECU
4. Wire Harness
–
–
Only the driver’s window does not operate.
1. Power Window Motor
2. Power Window Pulse Sensor Circuit
3. Power Window Limit Switch Circuit
4. Driver Door ECU (Power Window Master Switch)
–
”Window lock function” does not operate.
Driver Door ECU (Power Window Master Switch)
Only the rear LH window does not operate.
1. Power Window Motor
2. Power Window Switch
3. Body ECU
–
Only the rear RH window does not operate.
1. Power Window Motor
2. Power Window Switch
3. Body ECU
–
Only the front passenger’s window does not operate.
1. Power Window Motor
2. Power Window Pulse Sensor Circuit
3. Power Window Limit Switch Circuit
4. Passenger Door ECU
–
The Key related power window operations do not operate with
driver side door key cylinder.
(Master switch operation is normal.)
1. Door Key Lock and Unlock Switch Circuit
2. Driver Door ECU (Power Window Master Switch)
–
” Auto up ” or ” Auto down ” does not operate. *1
1. Power Window Pulse Sensor Circuit
2. Power Window Limit Switch Circuit
3. Driver Door ECU (Power Window Master Switch)
–
*
1
: ” Auto up ” or ” Auto down ” may not function when the manual switch is pressed and held for 2 sec. or
more with the window glass fully open or closed. In this case, by performing a sequence of the window glass
operations (full open, fully close and then half open), the function can be restored. If not, replace the driver
door ECU or passenger door ECU.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст