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:
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:
7.CHECK STARTING SYSTEM WIRING
Check the following:
Auto light system
System Diagram
System Description
BCM (Body Control Module) controls auto light operation according to
signals from optical sensor, lighting switch and ignition switch.
IPDM E/R (Intelligent Power Distribution Module Engine Room) operates
parking, license plate, tail, front fog lamps ...
FEB system limitations
WARNING
Listed below are the system limitations for
the FEB system. Failure to operate the
vehicle in accordance with these system
limitations could result in serious injury or
death.
The FEB system cannot detect all vehicles
under all conditions.
The radar sensor does not detect the
follow ...
Emission control system maintenance
Abbreviations: I = Inspect and correct or replace as necessary, R =
Replace, D = Drain water
NOTE:
(1) After 40,000 miles (64,000 km) or 48 months, inspect every 10,000
miles (16,000 km) or 12 months. Replace the drive belts if found
damaged.
(2) If operating mainly in dusty condit ...