Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
- Using CONSULT, perform "Self Diagnostic Result" mode of "HVAC".
- Check if any DTC is displayed in the self-diagnosis results.
NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to DTC Description or DTC Description .Is any DTC displayed?
YES
Perform diagnosis for the applicable DTC. Refer to DTC Index .
NO
GO TO 2 .
- CHECK RX (A/C SWITCH ASSEMBLY - A/C AUTO AMP.) CIRCUIT CONTINUITY
- Turn ignition switch OFF.
- Disconnect the A/C switch assembly connector and the A/C auto amp. connector.
- Check continuity between A/C switch assembly harness connector and A/C auto amp. harness connector.
A/C switch assembly
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M104
10
M37
24
Yes
- Check continuity between A/C switch assembly harness connector and ground.
A/C switch assembly
-
Continuity
Connector
Terminal
M104
10
Ground
No
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair harness or connector.
- CHECK TX (A/C AUTO AMP. - A/C SWITCH ASSEMBLY) CIRCUIT CONTINUITY
- Check continuity between A/C switch assembly harness connector and A/C auto amp. harness connector.
A/C switch assembly
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M104
9
M37
4
Yes
- Check continuity between A/C switch assembly harness connector and ground.
A/C switch assembly
-
Continuity
Connector
Terminal
M104
9
Ground
No
Is the inspection result normal?
YES
Perform trouble diagnosis for the A/C switch assembly. Refer to Diagnosis Procedure .
NO
Repair harness or connector.
- Check continuity between A/C switch assembly harness connector and A/C auto amp. harness connector.