Nissan Juke Service and Repair Manual : Basic inspection

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

OVERALL SEQUENCE

DETAILED FLOW


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 magnetic switch.

3.CHECK THE ENGINE SPEED WITH CRANKING

Check that the engine runs at cranking.

Does engine turn by cranking? YES >> GO TO 4.

NO >> GO TO 5.

4.CHECK THE ENGINE SPEED WITH CRANKING

Check that the engine speed is not low at cranking.

Does engine turn normally? YES >> Check ignition/fuel system.

NO >> Check charge condition, corrosion and connection condition of the battery. Refer to PG-113, "Work Flow".

5.CHECK STARTER MOTOR ACTIVATION

Check that the starter motor runs at cranking.

Does starter motor turn? YES >> GO TO 6.

NO >> GO TO 7.

6.CHECK STARTER MOTOR UNIT

1. Remove starter motor.

2. Check that the gear shaft of starter motor rotates.

Does gear shaft turn? YES >> Check pinion clutch. Refer to STR-24, "HR16DE : Inspection and Adjustment" (HR16DE) or STR- 30, "MR16DDT : Inspection and Adjustment" (MR16DDT).

NO >> Check reduction gear, armature and gear shaft.

7.CHECK POWER SUPPLY CIRCUIT

Check the following conditions.

Fuse and fusible link

Charge condition, corrosion and connection condition of the battery. Refer to PG-113, "Work Flow".

Are these inspection results normal? YES >> GO TO 8.

NO >> Repair as needed.

8.CHECK STARTING SYSTEM WIRING

Check the following.

B terminal circuit. Refer to STR-17, "Diagnosis Procedure".

S terminal circuit. Refer to STR-19, "Diagnosis Procedure".

Are these inspection results normal? YES >> GO TO 9.

NO >> Repair as needed.

9.CHECK MAGNETIC SWITCH OPERATION SOUND

Check that a magnetic switch operation sound can be heard when the ignition switch is set at the starting position.

Does magnetic switch operation sound occur? YES >> GO TO 10.

NO >> Replace magnetic switch.

10.PINION AND RING GEAR ENGAGEMENT CHECK

Check condition of pinion and ring gear mesh.

Is the inspection result normal? YES >> GO TO 12.

NO >> GO TO 11.

11.CHECK STARTER MOTOR UNIT

Check the following.

Adjust pinion movement. Refer to STR-24, "HR16DE : Inspection and Adjustment" (HR16DE) or STR-30, "MR16DDT : Inspection and Adjustment" (MR16DDT).

Check pinion moving mechanism.

Check ring gear.

Are these inspection results normal? YES >> INSPECTION END

NO >> Repair or replace, if necessary.

12.CHECK STARTER MOTOR UNIT

Check that the starter motor runs when connecting the positive terminal (12 V) to starter motor terminal M and the negative terminal (ground) to starter motor body.

Does the starter motor run? YES >> Replace magnetic switch.

NO >> Repair starter motor.

DTC/circuit diagnosis


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