Unable to Operate All of AV switches (Unable to start Self-Diagnosis)
WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit. Refer to POWER SUPPLY AND GROUND CIRCUIT CHECK FOR AV SWITCH .
OK or NG
- OK: GO TO 2.
- NG: Check the malfunctioning parts.
- AV SWITCH SELF-DIAGNOSIS
AV switch self-diagnosis. Refer to AV SWITCH SELF-DIAGNOSIS FUNCTION .
OK or NG
- OK: GO TO 3.
- NG: Check the malfunctioning parts.
- CHECK COMMUNICATION LINE
Check communication line. Refer to AV COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND AV SWITCH) .
OK or NG
- OK: Replace AV switch. Refer to REMOVAL AND INSTALLATION FOR AV SWITCH .
- NG: Replace display control unit. Refer to REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT .