Self Diagnosis Result (DCU)

SELF-DIAGNOSIS RESULT

Quick reference table




1. Select a malfunctioning diagnosis No. in the diagnosis result quick reference table.
2. Find estimated malfunctioning system in the diagnosis No. table and perform check by referring to AV-120 "Wiring Diagram - COMM -. AV-COMM
3. Turn the ignition switch OFF and perform self-diagnosis again.

CAUTION:
- When AV switch has a malfunction, you cannot start.
- When display unit has a malfunction, you cannot start.
- Check the following when the self-diagnosis mode cannot be used.
- AV communication line between display control unit and AV switch. Refer to "AV Communication Line Check (Between Display Control Unit and AV Switch)".
- AV switch power supply and ground circuit. Refer to "Power Supply and Ground Circuit Check for AV Switch".
- Display communication line between display control unit and display unit. Refer to "Display Communication Line Check (Between Display Control Unit and Display Unit)".
- Display unit power supply and ground circuit. Refer to "Power Supply and Ground Circuit Check for Display Unit".




Self-Diagnosis Codes