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:

Power Seat Motor Circuit
DESCRIPTION When the power seat control switch is operated, a command signal is sent to the position control ECU and switch assembly (power seat control switch and ECU). The front power seat switch then controls the appropriate seat motor as needed. This memory system does not use a seat po ...

Inspection
1. INSPECT MAGNETIC CLUTCH CLEARANCE (a) Set the dial indicator to the magnetic clutch hub. (b) Connect the battery positive lead to the terminal 1 of the magnet clutch connector and the negative lead to the earth wire. Turn on and off the magnetic clutch and measure the clearance. Stand ...

How to proceed with troubleshooting
HINT:  Use these procedures to troubleshoot the power folding seat system.  *: Use the intelligent tester. 1 VEHICLE BROUGHT TO WORKSHOP 2 INSPECT BATTERY VOLTAGE Standard voltage: 10 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding. ...