Nissan Teana J32. Manual - part 1113

STR-2

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

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OVERALL SEQUENCE

DETAILED FLOW

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DIAGNOSIS AND REPAIR WORKFLOW

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< BASIC INSPECTION >

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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 turns 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 

STR-2, "Work

Flow"

.

5.

CHECK STARTER MOTOR ACTIVATION

Check that the starter motor turns 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 the following.

• VQ25DE models: 

STR-16, "VQ25DE : Inspection"

• VQ35DE models: 

STR-22, "VQ35DE : Inspection"

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 

STR-2, "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-8, "Diagnosis Procedure"

.

• “S” terminal circuit. Refer to 

STR-9, "Diagnosis Procedure"

.

Are these inspection results normal?

YES

>> GO TO 9.

STR-4

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

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 posi-
tion. 

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 the following.
- VQ25DE models: 

STR-16, "VQ25DE : Inspection"

- VQ35DE models: 

STR-22, "VQ35DE : Inspection"

• 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 turns when connecting the positive ter-
minal (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.

SEL009Z

STARTING SYSTEM

STR-5

< FUNCTION DIAGNOSIS >

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FUNCTION DIAGNOSIS

STARTING SYSTEM

VQ25DE

VQ25DE : System Diagram

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VQ25DE : System Description

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The starter motor plunger closes and provides a closed circuit between the battery and starter motor. The
starter motor is grounded to the engine block. With power and ground supplied, cranking occurs and the
engine starts. 

VQ25DE : Component Parts Location

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