Quick Reference Table
- Select a malfunctioning diagnosis No. in the diagnosis result quick reference table.
- Find estimated malfunctioning system in the diagnosis No. table and perform check by referring to "WIRING DIAGRAM - COMM - "
- Turn the ignition switch OFF and perform self-diagnosis again.
SCREEN SWITCH
| Screen switch | Diagnosis No. | ||||||
| Switch color | DCU(1) | Audio unit | NAVI control unit | GPS antenna | |||
| Red | X | - | - | - | 1 | ||
| Yellow | X | X | - | - | 2 | ||
| X | - | X | X | 3 | |||
|
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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 ".
- Select an malfunctioning diagnosis No. in the diagnosis result quick reference table.
- Find estimated malfunctioning system in the diagnosis No. table and perform check by referring to "WIRING DIAGRAM - COMM - ".
- Turn the ignition switch OFF and perform self-diagnosis again.
SCREEN SWITCH
| Screen switch | Diagnosis No. | ||||
|---|---|---|---|---|---|
| Switch color | Center control unit(1) | GPS antenna | |||
| Red | X | - | 1 | ||
| Gray | X | - | 2 | ||
| Yellow | X | - | 3 | ||
| X | - | 4 | |||
| X | X | 5 | |||
|
|||||
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 QUIT) ".
- Display unit power supply and ground circuit. Refer to "POWER SUPPLY AND GROUND CIRCUIT CHECK FOR DISPLAY UNIT ".