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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> LAN System (Can) (Exc Hybrid) >> DTC/Circuit Diagnosis >> A-Bag Branch Line Circuit >> Diagnosis Procedure

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 terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connection (unit side and connector side).

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Replace the main harness.

  2. CHECK AIR BAG DIAGNOSIS SENSOR UNIT

    Check the air bag diagnosis sensor unit. Refer to WORK FLOW .

    Is the inspection result normal?

    YES 

    Replace the main harness.

    NO 

    Replace parts whose air bag system has a malfunction.

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