Toyota Corolla Cross: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Airbag System
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Symptom | Suspected Area |
Link |
| The SRS warning light turns off after the primary check, but then comes on |
- Wire harness
- CAN communication system
- Combination meter assembly
- Airbag ECU assembly
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When the ignition switch is turned to ON, the SRS warning light sometimes comes on after approximately 6 seconds |
- Wire harness
- CAN communication system
- Combination meter assembly
- Airbag ECU assembly
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The SRS warning light always comes on even when DTCs are not output |
- Wire harness
- Combination meter assembly
- Airbag ECU assembly
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When the ignition switch is turned to ON, the SRS warning light does not come on |
- Wire harness
- Combination meter assembly
- Airbag ECU assembly
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READ NEXT:
TERMINALS OF ECU AIRBAG ECU ASSEMBLY
Terminal No. Terminal Symbol
Destination O1-3
PLR- Rear pretensioner squib LH (Rear seat outer belt assembly LH)
O1-4 PLR+
FREEZE FRAME DATA DESCRIPTION (a) When an airbag system DTC is stored, the airbag ECU assembly stores the current vehicle (ECU or sensor) state as Freeze Frame Data.
CHECK FREEZE FRAME DATA CAUTION:
CHECK MODE PROCEDURE CHECK MODE: DTC CHECK (a) Select "Check Mode" and proceed with checking using the GTS. Body Electrical > SRS Airbag > Utility
Tester Display Check Mode
NOTI
SEE MORE:
If a rear radar sensor detects a vehicle approaching from the right or
left at the rear of the vehicle and the system determines that the possibility
of a collision is high, this function will perform brake control to
reduce the likelihood of an impact with the approaching vehicle.
This function wi
DESCRIPTION The power distribution box assembly controls the instrument panel illuminations. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Before replacing the main body ECU (mult
