Diagnosis Procedure
WARNING:
- Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more. (To discharge backup capacitor.)
- Never use unspecified tester or other measuring device.
- CHECK BATTERY VOLTAGE
Check main battery voltage. Refer to How to Handle Battery .
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace the malfunctioning parts.
- CHECK HARNESS CONNECTOR
Check the harness connector for disconnection, looseness or damage.
Is the inspection result normal?
YES
GO TO 3.
NO
Damage: Replace malfunctioning harness and connector.
NO
Disconnection or looseness: Securely lock the connector.
- CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
GO TO 4.
NO
Replace malfunctioning harness and connector.
- REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
- Replace air bag diagnosis sensor unit. Refer to Removal and Installation .
- Perform DTC confirmation procedure. Refer to DTC Description .
Is DTC detected?
YES
GO TO 1.
NO
INSPECTION END