Toyota Sienna Service Manual: Vanity light
ON-VEHICLE INSPECTION
1. LH VISOR ASSEMBLY
- Inspect vanity light resistance.
- check that the resistance exists between the terminal 1 and the terminal 2 when the light is operated.
Resistance:
OFF (closed):
10 kΩ or higher
ON (opened):
Below 1 Ω
2. RH VISOR ASSEMBLY
- Inspect vanity light resistance.
- check that the resistance exists between the terminal 1 and the terminal 2 when the light is operated.
Resistance:
OFF (closed):
10 kΩ or higher
ON (opened):
Below 1 Ω
Ignition key cylinder light
ON-VEHICLE INSPECTION
1. KEY CYLINDER LIGHT ASSEMBLY
Connect the battery positive (+) lead to the terminal
1 and the battery negative (-) lead to the terminal 2,
and check that the ...
Headlight dimmer switch
COMPONENTS
REMOVAL
1. REMOVE STEERING COLUMN LOWER COVER
2. REMOVE STEERING COLUMN UPPER COVER
3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY
Disconnect the connector.
Releas ...
Other materials:
Differential system
PRECAUTION
NOTICE:
When disconnecting the negative (-) battery terminal,
initialize the following systems after the terminal is
reconnected.
1. Before disassembly, clean the outside of the rear
differential assembly and remove any sand or mud to
prevent it from entering the inside of the as ...
Check mode procedure
HINT:
Intelligent tester only:
Compared to normal mode, check mode is more sensitive to
malfunctions. Therefore, check mode can detect the
malfunctions that cannot be detected by normal mode.
NOTICE:All the stored DTCs and freeze frame data are
erased if:
1) the ECM is changed fro ...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT INTO A WORKSHOP
2 DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION
Ask the customer about symptoms and confirm
malfunctions.
3 CONFIRM THE SYSTEM NORMAL CONDITION
4 CHECK DTC
HINT:
If the system cannot enter the diagnosis mode, inspect each
AVC-LAN communication signal ...
