Diagnostic Procedure

2012 Infiniti G37 Sport, 2D CoupeSECTION Diagnostic Procedure
  1. CHECK HARNESS CONNECTOR

    Check the connection of harness connector.

    Is the inspection result normal?Β 

    YES: GO TO 2.

    NO: Replace harness connectors.

  2. CHECK WIRING HARNESS

    Check the wiring harness externals.

    Is the inspection result normal?Β 

    YES: GO TO 3.

    NO: Replace wiring harness.

  3. 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 LOGICΒ ".

    Is DTC detected?Β 

    YES: GO TO 4.

    NO: INSPECTION END

  4. REPLACE OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT AND SENSOR
    1. Replace seat cushion frame. Refer to "EXPLODED VIEW ".
    2. Perform DTC confirmation procedure. Refer to "DTC LOGICΒ ".

    Is DTC detected?Β 

    YES: GO TO Β 1.

    NO: INSPECTION END

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.