Nissan Maxima Service and Repair Manual: Basic inspection

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow (With GR8-1200 NI)

STARTING SYSTEM DIAGNOSIS WITH GR8-1200 NI

To test the starting system, use the following special service tool:

•  GR8-1200 NI Multitasking battery and electrical diagnostic station

NOTE: Refer to the diagnostic station Instruction Manual for proper starting system diagnosis procedures

OVERALL SEQUENCE

DETAILED FLOW

NOTE: To ensure a complete and thorough diagnosis, the battery, starter motor and generator test segments must be done as a set from start to finish.

1.DIAGNOSIS WITH MULTITASKING BATTERY AND ELECTRICAL DIAGNOSTIC STATION GR8-1200 NI

Perform the starting system test with Multitasking battery and electrical diagnostic station GR8-1200 NI. For details and operating instructions, refer to diagnostic station Instruction Manual.

2.CRANKING CHECK

Check that the starter motor operates properly.

3.ENGINE START CHECK

Check that the engine starts.

4.STARTER MOTOR ACTIVATION

Check that the starter motor operates.

5.COMPARISON BETWEEN ENGINE COOLANT AND CRANKING VOLTAGE

Compare the engine coolant temperature and verify the cranking voltage is within specifications.

Minimum Specification of Cranking Voltage Referencing Coolant Temperature

6.STARTER OPERATION

Check the starter operation.

7."B" TERMINAL CIRCUIT INSPECTION

Check "B" terminal circuit.

8."S" CONNECTOR CIRCUIT INSPECTION

Check "S" connector circuit.

9.ENGINE ROTATION STATUS

Check that the engine can be rotated by hand.

Work Flow (Without GR8-1200 NI)

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.

2.CHECK THAT THE STARTER MOTOR STOPS

Check that the starter motor stops after starting the engine.

3.CHECK THAT THE ENGINE TURNS WHEN CRANKING

Check that the engine turns when cranking.

4.CHECK THE ENGINE SPEED WHEN CRANKING

Check that the engine speed is not low when cranking.

5.CHECK STARTER MOTOR ACTIVATION

Check that the starter motor runs at cranking.

6.CHECK POWER SUPPLY CIRCUIT

Check the following conditions:

•  Fuse and fusible link
•  Charge condition, corrosion and connection of the battery

7.CHECK STARTING SYSTEM WIRING

Check the following:

•  "B" terminal circuit. Refer to STR-9, "Diagnosis Procedure".
•  "S" terminal circuit