Toyota Sienna Service Manual: Steering pad switch

Audio terminal

COMPONENTS REMOVAL 1. REMOVE INSTRUMENT CLUSTER CENTER NO. 2 FINISH PANEL  Using a moulding remover, disengage the 3 clips.  Disconnect the connector and remove the instrumen ...

Removal

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE STEERING WHEEL NO. 2 LOWER COVER 3. REMOVE STEERING WHEEL NO. 3 LOWER COVER 4. REMOVE HONE BUTTON ASSEMBLY 5. REMOVE STEERING PAD SWITC ...

Other materials:

Cranking Holding Function Circuit
DESCRIPTION The system detects the ignition switch's starting signal (STSW) and then supplies current to the starter until the ECM judges that the engine has started successfully. The purpose is to reduce the holding time of the ignition key. WIRING DIAGRAM Refer to DTC P0617 (See page ...

Rear Occupant Classification Sensor RH Collision Detection
DTC B1788 Rear Occupant Classification Sensor RH Collision Detection DESCRIPTION DTC B1788 is output when the occupant classification ECU receives a collision detection signal sent by the rear occupant classification sensor RH if an accident occurs. DTC B1788 is also output when the front s ...

Illumination Circuit
DESCRIPTION Power is supplied to the radio and navigation assembly and steering pad switch illumination when the light control switch is in the TAIL or HEAD position. WIRING DIAGRAM INSPECTION PROCEDURE NOTICE: The vehicle is equipped with an SRS (Supplemental Restraint System) such as t ...