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 FUSE
Check fuses [Nos. 14, 21 and 30, located in the fuse block (J/B)].
NOTE: Refer to the appropriate Wiring Diagram [Fuse Block - Junction Box (J/B)].Is the inspection result normal?
YES
GO TO 2 .
NO
Replace the blown fuse after repairing the affected circuit.
- CHECK A/C AUTO AMP. POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect A/C auto amp. connector.
- Check voltage between A/C auto amp. harness connector and ground.
+
-
Voltage
A/C auto amp.
Ignition switch position
Connector
Terminal
OFF
ACC
ON
M37
3
Ground
Battery voltage
Battery voltage
Battery voltage
13
Approx. 0 V
Battery voltage
Battery voltage
23
Approx. 0 V
Approx. 0 V
Battery voltage
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair harness or connector between A/C auto amp. and fuse block (J/B).
- CHECK A/C AUTO AMP. GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between A/C auto amp. harness connector and ground.
A/C auto amp.
-
Continuity
Connector
Terminal
M37
2
Ground
Yes
22
Is the inspection result normal?
YES
Inspection End.
NO
Repair harness or connector.