■ WARNING ■

- Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3 minutes. (To discharge backup capacitor.)
- Never use unspecified tester or other measuring device.

1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Replace wiring harness.
3.CHECK SPIRAL CABLE CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect driver air bag module harness connector and combination switch (spiral cable) harness connector.
3. Check continuity between driver air bag module harness connector and combination switch (spiral cable) harness connector.

   Driver air bag module harness connector | Terminal | combination switch (spiral cable) harness connector | Terminal | Continuity
   M302 | 10 | M35 | 28 | Existed
   11 | 30
   M301 | 12 | 29
   9 | 30

4. Check continuity between driver air bag module harness connector and ground.

   Driver side air bag module harness connector | Terminal | Ground | Continuity
   M302 | 10 | Not existed
   11
   M301 | 12
   9

Is the inspection result normal?
YES>>GO TO 4.
NO>>Replace combination switch (spiral cable). Refer to Exploded View.
4.REPLACE DRIVER AIR BAG MODULE

1. Replace driver air bag module. Refer to Exploded View.
2. Perform DTC confirmation procedure. Refer to DTC Logic.

Is DTC detected?
YES>>GO TO 5.
NO>>INSPECTION END
5.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1. Replace air bag diagnosis sensor unit. Refer to Exploded View.
2. Perform DTC confirmation procedure. Refer to DTC Logic.

Is DTC detected?
YES>>GO TO 1.
NO>>INSPECTION END