For USA And Canada

B1218, B1219, B1220, B1221, B1222, B1223 DIAGNOSIS SENSOR UNIT

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. CHECK SELF-DIAG RESULT

With CONSULT
1.Turn ignition switch ON.
2.Perform "Self Diagnostic Result" mode of "AIR BAG" using CONSULT.
Without CONSULT
1.Turn ignition switch ON.
2.Check the air bag warning lamp status. For USA And Canada.
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES- .
NO- INSPECTION END


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.

1. CHECK HARNESS CONNECTOR

Check the harness connector.
Is the inspection result normal?
YES- GO TO 2.
NO- Replace harness connectors.

2. CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?
YES- GO TO 3.
NO- Replace wiring harness.

3. REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.Replace air bag diagnosis sensor unit. Removal And Installation Except.
2.Perform DTC confirmation procedure. .
Is DTC detected?
YES- GO TO 1.
NO- INSPECTION END