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:

Problem symptoms table
POWER SLIDE DOOR SYSTEM Symptom Suspected Area Power slide door LH does not operate when switch* is pressed (* switch indicates satellite switch for power slide door LH and power slide door control switch LH) ECU-B fuse Power slide door main switch ...

Diagnostic trouble code chart
1. DTCS FOR OCCUPANT CLASSIFICATION SYSTEM If a trouble code is displayed during the DTC check, check the circuit listed for the code in the table below (proceed to the page listed for that circuit). HINT: When DTC B1150/23 is detected as a result of troubleshooting for the airbag system, pe ...

Problem symptoms table
HINT: If a normal code is displayed during the diagnostic trouble code check although the trouble still occurs, check the electrical circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting. The Matrix Chart is ...