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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Starting System) >> Basic Inspection >> Diagnosis And Repair Work Flow >> Work Flow (Without Gr8-1200 NI) >> Detailed Flow
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Detailed Flow

WARNING: This page is about a different car, the 2016 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.
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 STEP 2  .

    NO 

    GO TO STEP 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 STEP 4  .

    NO 

    GO TO STEP 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.

  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 STEP 6  .

  6. CHECK POWER SUPPLY CIRCUIT

    Check the following conditions.

    • Fuse and fusible link
    • Charge condition, corrosion and connection condition of the battery.

    Are these inspection results normal?

    YES 

    GO TO STEP 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.