Toyota RAV4 manuals

Toyota Sienna Service Manual: Problem symptoms table

HINT: Proceed to the troubleshooting for each circuit in the table below.

AIRBAG SYSTEM

Symptom

Suspected Area

The SRS warning light goes off after the primary check, but then comes on. SRS Warning Light Remains ON
When the ignition switch is turned to the ON position, the SRS warning light sometimes remains on even after approximately 6 seconds. SRS Warning Light Remains ON
The SRS warning light always comes on even when no DTC is output. SRS Warning Light Remains ON
When the ignition switch is turned to the ON position, the SRS warning light does not come on. SRS Warning Light does not Come ON
Although the SRS warning light operates normally, a DTC or a normal system code is not displayed. Diagnosis Circuit
Although terminals TC and CG are not connected, a DTC or normal system code is displayed. Diagnosis Circuit
How to proceed with troubleshooting
HINT: *: Use the intelligent tester. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS Confirm problem symptoms 3 CHECK MULTIPLEX COMMUNICATION SYSTEM* Check if the multiplex com ...

Terminals of ECU
1. CENTER AIRBAG SENSOR ASSEMBLY (w/ Side Airbag) 2. CENTER AIRBAG SENSOR ASSEMBLY (w/o Side Airbag) ...

Other materials:

Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (See page AC-172) 2. REMOVE NO. 2 AIR CLEANER INLET (See page EM- 28) 3. REMOVE FRONT BUMPER ASSEMBLY (See page ET-3) 4. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY (a) Remove the bolt and disconnect the discharge hose sub-assembly from the coo ...

Rear blower resistor
ON-VEHICLE INSPECTION 1. INSPECT REAR BLOWER MOTOR CONTROLLER (a) Measure resistance according to the value(s) in the table below.. Standard resistance If the resistance is not as specified, replace the rear blower motor controller. (b) Inspect the rear blower motor controller. (1 ...

Center Airbag Sensor Assembly Malfunction
DTC B1100/31 Center Airbag Sensor Assembly Malfunction DESCRIPTION The center airbag sensor assembly consists of the center airbag sensor assembly, safing sensor, drive circuit, diagnosis circuit and ignition control, etc. It receives signals from the airbag sensor, judges whether or not the ...

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