Drive Mode System (Circuit Diagnosis)
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONTINUITY DRIVE MODE SELECT SWITCH SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect the drive mode select switch connector and A/C auto amp. connector.
- Check continuity between drive mode select switch harness connector and A/C auto amp. harness connector.
Drive mode select switch
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M211
1
M50
10
Yes
2
29
3
11
4
31
- Check continuity between drive mode select switch harness connector and ground.
Drive mode select switch
Ground
Continuity
Connector
Terminal
M211
1
No
2
3
4
Is the inspection result normal?
YES
GO TO 2
NO
Repair harness or connector
- CHECK VOLTAGE OF A/C AUTO AMP.
- Connect the A/C auto amp. connector.
- Check voltage between A/C auto amp. harness connector and ground.
Terminals
Voltage (Approx.)
(+)
(-)
A/C auto amp.
Ground
Connector
Terminal
M50
10
12 V
29
11
31
Is the inspection result normal?
YES
GO TO 3
NO
Replace A/C auto amp. Refer to Removal and Installation .
- CHECK DRIVE MODE SELECT SWITCH GROUND CIRCUIT
- Check continuity drive mode select switch harness connector and ground.
Drive mode select switch
Ground
Continuity
Connector
Terminal
M211
6
Yes
Is the inspection result normal?
YES
Check drive mode select switch. Refer to Component Inspection .
NO
Repair harness or connector.
- Check continuity drive mode select switch harness connector and ground.