Self-Diagnosis Codes
WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
SELF-DIAGNOSIS CODES - POSSIBLE CAUSE AND REFERENCE
| Diagnosis No. | Possible cause | Reference page |
|---|---|---|
| 1 | Display control unit malfunction | Refer to REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT . |
| 2 | Display communication line between display control unit and display unit | Refer to DISPLAY COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND DISPLAY UNIT) . |
| 3 | Audio unit power supply and ground circuit Audio communication line between display control unit and audio unit |
Refer to AV COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND NAVI CONTROL UNIT) . |
| 4 | NAVI control unit power supply and ground circuit AV communication line between display control unit and navi control unit |
Refer to AV COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND NAVI CONTROL UNIT) . |