Toyota Sienna Service Manual: Lighting
- Lighting system
- Precaution
- Parts location
- How to proceed with troubleshooting
- Operation check
- Problem symptoms table
- Terminals of ECU
- DTC check / clear
- Data list / active test
- Diagnostic trouble code chart
- Headlight assembly
- Daytime running light resister
- Fog light assembly
- Rear combination light assembly
- Back-up light assembly
- License plate light assembly
- High mounted stop light assembly
- Personal light assembly
- Room light assembly
- Door courtesy light (for Rear Side)
- Ignition key cylinder light
- Vanity light
- Headlight dimmer switch
- Turn signal light switch
- Hazard warning switch
- Headlight leveling switch
- Stop light switch
- Front door courtesy switch
- Rear door courtesy switch
- Back door courtesy switch
- Headlight relay
- Daytime running light relay
- Headlight dimmer relay
- Taillight relay
- Fog light relay
- Light control relay
- BRK relay
Adjustment
CAUTION:
Do not stare at the luminous portion of the laser
during adjustment. The intensity of the laser light is
low, but it may result in loss of sight.
If operation is not car ...
Lighting system
...
Other materials:
Headlight Relay Circuit
DESCRIPTION
The Multiplex network body ECU controls HEAD relay when signal is received
from headlight dimmer
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and ...
Sliding roof switch assembly
ON-VEHICLE INSPECTION
1. INSPECT SLIDING ROOF SWITCH ASSEMBLY
Remove the switch.
Check the resistance between the terminals when
operating the switch.
Resistance
If the result is not as specified, replace the switch
set. ...
Disassembly
HINT:
Overhaul the RH side by the same procedures as these of
the LH side.
1. REMOVE REAR WHEEL
2. SEPARATE REAR DISC BRAKE CALIPER
ASSEMBLY LH
HINT:
Do not disconnect the flexible hose from the brake
caliper.
3. REMOVE REAR DISC
(a) Release the parking brake, and remove the rear
disc.
H ...
