Toyota Sienna Service Manual: Cruise control main switch
COMPONENTS
Removal
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. REMOVE STEERING WHEEL COVER LOWER NO.2 (24)
3. REMOVE STEERING WHEEL COVER LOWER NO.3 (24)
4. REMOVE HORN BUTTON ASSEMBLY
5. REMOVE CRUISE CONTROL MAIN SWITCH
- Disconnect the connectors.
- Remove the 2 screws and cruise control main switch.
Installation
1. INSTALL HORN BUTTON ASSEMBLY
2. INSTALL STEERING WHEEL COVER LOWER NO.3 (25)
3. INSTALL STEERING WHEEL COVER LOWER NO.2 (25)
4. INSPECT SRS WARNING LIGHT
TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the system to enter the
self-diagnostic mode. If a
malfunction is present, DTCs will be output.
HINT:
When a particular warning ligh ...
Other materials:
ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the theft deterrent (warning) ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
Remove the ECU-B fuse from the engine room J/B.
Measure the resistance.
Standard resistance:
Below 1 Ω
2 CHECK INSTRUMENT PANEL ...
Noise Occurs
INSPECTION PROCEDURE
1 NOISE CONDITION
Check in which direction the noise comes from (front left
or right, or rear left or right).
Check in which direction the noise comes from.
OK:
The location of the noise source can be
determined
2 CHECK SPEAKERS
Check the installatio ...
On-vehicle inspection
1. CHECK POWER REAR NO. 2 SEAT with STOWING FUNCTION
Check the basic functions.
Operate the fold seat switch and power rear
No.2 seat switch and check to make sure each
seat function works:
Folding-down operation
Stowing operation
Return operation
...
