Nissan Xterra. Manual — part 615
STR-6
< 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
STR-7
< 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.
AWBIA1303GB
STR-8
< 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
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
.
• “S” terminal circuit. Refer to
.
Are the inspection results normal?
YES
>> Replace starter motor. Refer to
STR-31, "Removal and Installation"
NO
>> Repair as needed.
STARTING SYSTEM
STR-9
< 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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