CAN

A-BAG BRANCH LINE CIRCUIT

Diagnosis Procedure


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

1. CHECK CONNECTOR

1.Turn the ignition switch OFF.
2.Disconnect the battery cable from the negative terminal.
3.Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
-Air bag diagnosis sensor unit
-Harness connector M26 and PCB harness side connector
Is the inspection result normal?
YES- GO TO 2.
NO- Replace the main harness and/or the PCB harness.

2. CHECK AIR BAG DIAGNOSIS SENSOR UNIT

Check the air bag diagnosis sensor unit. Initial Inspection and Diagnostic Overview.
Is the inspection result normal?
YES- Replace the main harness and/or the PCB harness.
NO- Replace parts whose air bag system has a malfunction.