Diagnosis Function

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

The following are checked:

All the indicators (LED) in the A/C and AV switch.
Continuity of the switches by sounding the buzzer when the A/C and AV switch and audio steering wheel switch is pressed.
Continuity of harness between A/C and AV switch and audio steering wheel switch.

NOTE: Rear window defogger switch operation is not checked (No beep sound even under normal status).