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Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> Electrical >> Starter >> Starting System >> Basic Inspection >> Diagnosis And Repair Work Flow >> Work Flow (Without GR8-1200 NI) >> Detailed Flow
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Detailed Flow

NOTE: If any malfunction is found, immediately disconnect the battery cable from the negative terminal.
  1. CHECK ENGINE START 

    Crank the engine and check that the engine starts.

    Does the engine start?

    YES

    GO TO 2.

    NO

    GO TO 3.

  2. CHECK THAT THE STARTER MOTOR STOPS 

    Check that the starter motor stops after starting the engine.

    Does the starter motor stop?

    YES

    INSPECTION END

    NO

    Replace starter motor. Refer to Removal and Installation .

  3. CHECK THAT THE ENGINE TURNS WHEN CRANKING 

    Check that the engine turns when cranking.

    Does engine turn when cranking?

    YES

    GO TO 4.

    NO

    GO TO 5.

  4. CHECK THE ENGINE SPEED WHEN CRANKING 

    Check that the engine speed is not low when cranking.

    Does engine turn normally?

    YES

    Check ignition/fuel system.

    NO

    Check charge condition, corrosion and connection condition of the battery. Refer to Work Procedure (main battery) and Work Procedure (sub battery).

  5. CHECK STARTER MOTOR ACTIVATION 

    Check that the starter motor runs at cranking.

    Does starter motor turn?

    YES

    Replace starter motor. Refer to Removal and Installation .

    NO

    GO TO 6.

  6. CHECK POWER SUPPLY CIRCUIT 

    Check the following conditions.

    • Fuse and fusible link
    • Charge condition, corrosion and connection condition of the battery. Refer to Work Procedure (main battery) and Work Procedure (sub battery).

    Are these inspection results normal?

    YES

    GO TO 7.

    NO

    Repair as needed.

  7. CHECK STARTING SYSTEM WIRING 

    Check the following.

    Are these inspection results normal?

    YES

    Replace starter motor. Refer to Removal and Installation .

    NO

    Repair as needed.