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Home >> Nissan-Datsun >> 2021 >> Sentra S >> Repair and Diagnosis >> Electrical >> Starter >> Starting System >> Basic Inspection >> Diagnosis And Repair Work Flow >> Work Flow (Without 165-DSS-5000P) >> 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 engine and check that engine starts.

    Does engine start?

    YES

    GO TO 2.

    NO

    GO TO 3.

  2. CHECK RETURN OF PINION GEAR 

    Check that pinion gear returns to original position after engine starts.

    Does pinion gear return?

    YES

    Starter motor is OK. Inspection End.

    NO

    GO TO 9.

  3. CHECK ENGINE SPEED WITH CRANKING 

    Check that engine turns while cranking.

    Does engine turn by cranking?

    YES

    GO TO 4.

    NO

    GO TO 5.

  4. CHECK STARTER MOTOR TURNING WITH CRANKING 

    Check that starter motor runs smoothly without abnormal noise at cranking.

    Does starter motor turn normally?

    YES

    Check ignition/fuel system.

    NO

    Check engine mechanical and power train system.

  5. CHECK STARTER MOTOR SPEED WITH CRANKING 

    Check that starter motor turns while cranking.

    Does starter motor turn at cranking?

    YES

    GO TO 6.

    NO

    GO TO 7.

  6. CHECK PINION GEAR AND RING GEAR ENGAGEMENT 

    Check condition of pinion and ring gear engagement.

    Is inspection result normal?

    YES

    Check engine mechanical and power train system.

    NO

    Check pinion protrusion length. Refer to Inspection .

  7. CHECK POWER SUPPLY CIRCUIT 

    Check the following conditions:

    • Fuse and fusible link
    • Charge condition, corrosion and connection condition of the battery. Refer to How to Handle Battery .

    Are these inspection results normal?

    YES

    GO TO 8.

    NO

    Repair as needed.

  8. CHECK STARTING SYSTEM WIRING 

    Check the following:

    Are these inspection results normal?

    YES

    GO TO 9.

    NO

    Repair as needed.

  9. CHECK MAGNETIC SWITCH OPERATION 

    Check magnetic switch operation. Refer to Inspection .

    Does magnetic switch operate normal?

    YES

    GO TO 10.

    NO

    Replace magnetic switch or starter motor.

  10. CHECK PINION TURNING 

    1. Remove starter motor.

    2. Check that pinion turns smoothly by hand.

    Does pinion turn normally?

    YES

    Perform no-load test of starter motor. Refer to Inspection .

    NO

    Check pinion clutch. Refer to Inspection .