Toyota Sienna Service Manual: Occupant classification ecu

Installation

1. INSTALL SEAT POSITION AIRBAG SENSOR  Check that the ignition switch is off. Check that the negative battery (-) terminal is disconnected. CAUTION: After disconnecting the neg ...

On-vehicle inspection

1. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION) ...

Other materials:

Terminals of ECU
1. CHECK TRANSPONDER KEY AMPLIFIER Disconnect the I14 amplifier connector and measure the resistance between the terminal of the wire harness side connector and body ground. If the result is not as specified, there may be a malfunction on the wire harness side.  Reconnec ...

No Sound can be Heard from Speakers
INSPECTION PROCEDURE 1 CHECK AUDIO SETTINGS Enter the sound adjustment screen by pressing the "SOUND" switch on the AUDIO display.  Set volume, fader, and balance to the initial values and check that sound is normal. OK: Audio system returns to normal. HINT: Sou ...

Slide door half open stopper control assembly
INSPECTION 1. INSPECT SLIDE DOOR HALF OPEN STOPPER CONTROL ASSEMBLY Inspect the resistance of the switch. Resistance If the result is not as specified, replace the control sub-assembly. ...