No.13 AIR BAG SYSTEM WARNING LIGHT DOES NOT OPERATE

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STEP

INSPECTION

ACTION

1
INSPECT AIR BAG SYSTEM WARNING LIGHT CIRCUIT
Disconnect the SAS control module connector.
Disable the air bag supplemental restraint system (SRS).
Refer to Section 08.
Connect a jumper wire with a 10 A fuse between SAS control module terminal 2T (harness-side) and ground.
Turn the ignition switch to the ON position.
Does the air bag system warning light illuminate?
Yes
The system is normal.
No
Go to the next step.
2
INSPECT FOR OPEN CIRCUIT
Disconnect the instrument cluster connector.
Measure the resistance between instrument cluster terminal 1L (harness) and SAS control module terminal 2T (harness-side).
Is the resistance less than 5 ohms?
Yes
Go to the next step.
No
Repair or replace the wiring harness. Inspect the system for normal operation.
3
INSPECT FOR SHORT TO POWER SUPPLY
Turn the ignition switch to the ON position.
Measure the voltage between instrument cluster terminal 1L (harness-side) and ground.
Is there voltage?
Yes
Repair or replace the wiring harness. Inspect the system for normal operation.
No
Go to the next step.
4
INSPECT INSTRUMENT CLUSTER OPERATION
Disconnect all the instrument cluster connectors.
Inspection:
• Corrosion
• Terminal separation
Connect the instrument cluster connector and verify that its position is correct.
Operate the system and inspect for any malfunction.
Is any malfunction still present?
Yes
Replace the instrument cluster. Inspect the system for normal operation.
No
The system operates normally. The malfunction may result from loose connectors or corrosion. Clear the DTC. Repeat the self-test.