Toyota RAV4 manuals

Toyota Sienna Service Manual: 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, perform troubleshooting for the Occupant Classification System as shown in the chart below.

Occupant Classification ECU

Occupant Classification ECU

Occupant Classification ECU

Data list / active test
HINT: By accessing the DATA LIST displayed by the intelligent tester, you can perform such functions as reading the values of switches and sensors without removing any parts. Reading the DATA LIST ...

Passenger Side Buckle Switch Circuit Malfunction
DTC B1771 Passenger Side Buckle Switch Circuit Malfunction DESCRIPTION The passenger side buckle switch circuit consists of the occupant classification ECU and the front seat inner belt assembly ...

Other materials:

Problem symptoms table
Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit. HINT: Troubleshooting of the theft deterrent system is based on the premise that the door lock control system and the wireless door lock control system are operating normally. Ac ...

Problem symptoms table
If there are no DTCs output but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page. NOTICE: When replacing the brake actuator assembly, sensor, etc., turn the ignition switch off. HINT: ...

Precaution
1. HANDLING PRECAUTIONS ON STEERING SYSTEM (a) Be careful to replace the parts properly because they could affect the performance of the steering system and result in a driving hazard. 2. HANDLING PRECAUTIONS ON SRS AIRBAG SYSTEM (a) The SIENNA is equipped with SRS (Supplemental Restraint Sys ...

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