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 ...

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:

How to proceed with troubleshooting
HINT:  Use the following procedures to troubleshoot the cruise control system.  *: Use the intelligent tester. 1 VEHICLE BROUGHT TO WORKSHOP 2 PROBLEM SYMPTOM CONFIRMATION 3 CHECK MULTIPLEX COMMUNICATION SYSTEM* Refer to HOW TO PROCEED WITH TROUBLESHOOTING.  Check fo ...

Hood
COMPONENTS Adjustment HINT: Since a centering bolt is used as a hood hinge mounting bolt and hood lock mounting bolt, the hood and hood lock can not be adjusted with them on. Substitute a bolt with a washer for the centering bolt. 1. INSPECT HOOD SUB-ASSEMBLY Check that the clearance is ...

Removal
1. REMOVE GLOVE COMPARTMENT DOOR STOPPER SUB-ASSEMBLY 2. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY 3. REMOVE STEREO COMPONENT AMPLIFIER ASSEMBLY (W/ STEREO COMPONENT AMPLIFIER) 4. REMOVE DISTANCE CONTROL ECU ASSEMBLY  Remove the bolt.  Disengage the clip and remove the distanc ...