Component Tests and General Diagnostics

DRIVE MODE SELECT SWITCH CIRCUIT





Diagnosis Procedure
1.CHECK CONTINUITY DRIVE MODE SELECT SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the drive mode select switch connector and A/C auto amp. connector.
3. Check continuity between drive mode select switch harness connector and A/C auto amp. harness connector.





4. Check continuity between drive mode select switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 2
NO - Repair harness or connector
2.CHECK VOLTAGE OF A/C AUTO AMP.
1. Connect the A/C auto amp. connector.
2. Check voltage between A/C auto amp. harness connector and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Replace A/C auto amp.
3.CHECK DRIVE MODE SELECT SWITCH GROUND CIRCUIT
1. Check continuity drive mode select switch harness connector and ground.
[Infiniti Drive Mode Selector]





Is the inspection result normal?
YES - Check drive mode select switch. SEE Component Inspection.
NO - Repair harness or connector.




Component Inspection
1.DRIVE MODE SELECT SWITCH INSPECTION
1. Turn ignition switch OFF.
2. Disconnect drive mode select switch connector.
3. Check continuity between drive mode select switch connector terminal 6 and drive mode select switch connector terminals 1, 2, 3 and 4.





Is the inspection result normal?
YES - Inspection
NO - Replace drive mode select switch
[Infiniti Drive Mode Selector]