Nissan Xterra. Manual - part 615

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< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

Is “S” connector circuit normal?

YES

>> GO TO 9.

NO

>> Repair as needed.

9.

ENGINE ROTATION STATUS

Check that the engine can be rotated by hand.
Does the engine turn freely by hand?

YES

>> Replace starter motor.

NO

>> Perform further diagnosis of engine mechanical or powertrain mechanism. Once resolved, per-

form battery test again using Multitasking battery and electrical diagnostic station GR8-1200 NI.

Refer to the diagnostic station Instruction Manual for proper testing procedures. 

DIAGNOSIS AND REPAIR WORKFLOW

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< BASIC INSPECTION >

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Work Flow (Without GR8-1200 NI)

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OVERALL SEQUENCE

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. 

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< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

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 

STR-31, "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 

PG-4, "How to

Handle Battery"

.

5.

CHECK STARTER MOTOR ACTIVATION

Check that the starter motor runs at cranking.
Does starter motor turn?

YES

>> Replace starter motor. Refer to 

STR-31, "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 of the battery.
Are these inspection results normal?

YES

>> GO TO 7.

NO

>> Repair as needed. 

7.

CHECK STARTING SYSTEM WIRING

Check the following:

• “B” terminal circuit. Refer to 

STR-14, "Diagnosis Procedure"

.

• “S” terminal circuit. Refer to 

STR-16, "Diagnosis Procedure"

.

Are the inspection results normal?

YES

>> Replace starter motor. Refer to 

STR-31, "Removal and Installation"

.

NO

>> Repair as needed. 

STARTING SYSTEM

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< SYSTEM DESCRIPTION >

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SYSTEM DESCRIPTION

STARTING SYSTEM

A/T
A/T : System Diagram

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A/T : System Description

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The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The

starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates. 

A/T : Component Parts Location

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1.

A/T assembly F9 (with built in TCM 
F502)

2.

IPDM E/R E119, E120, E122, E124

3.

BCM M18 (view with lower instrument 
panel LH removed)

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