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:

Brake Switch "A" Circuit
DTC P0571 Brake Switch "A" Circuit DESCRIPTION When the brake pedal is depressed, the stop light switch sends a signal to the ECM. When the ECM receives this signal, it cancels the cruise control. The fail-safe function operates to enable normal driving even if there is a malfuncti ...

On-vehicle inspection
1. CHECK AUTO SLIDE-OPEN / CLOSE FUNCTION Check that the sliding roof switch can operate the sliding roof glass as follows while the tilt-up / DOWN function is not operating. Standard HINT: The sliding roof stops partway when the sliding roof switch is pushed on either side during AU ...

ECM / PCM Processor
DESCRIPTION The ECM continuously monitors its internal processors (CPUs), A/F sensor transistors and heated oxygen sensor (HO2S) transistors. This self-check ensures that the ECM is functioning properly. These are diagnosed by internal "mirroring" of the main and sub CPUs to det ...