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 STEP 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 STEP 3 .

NO-1

Damage: Replace malfunctioning harness and connector.

NO-2

Disconnection or looseness: Securely lock the connector.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

GO TO STEP 4 .

NO

Replace malfunctioning harness and connector.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to REMOVAL AND INSTALLATION .
2. Perform DTC confirmation procedure. Refer to DTC DESCRIPTION .
Is DTC detected?

YES

GO TO STEP 1 .

NO

INSPECTION END