NO.10 LCD DOES NOT DISPLAY AT ALL [ENTIRE AUDIO SYSTEM]

id0903e2825300

10

LCD does not display at all/ Possible DTC: 09:Er20, 21:Er19
Troubleshooting hints
•  Audio unit malfunction
•  Information display malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
•  Turn the audio unit on.
•  Press the POWER button and simultaneously press the SEEK button for approx. 1 s.
•  Does the LCD display properly?
Yes
Go to the next step.
No
Replace the information display.
(See INFORMATION DISPLAY REMOVAL/INSTALLATION.)
2
•  Press either CLC or SET/INFO button on the information display.
•  Does the beep sound?
Yes
Replace the audio unit.
(See AUDIO UNIT REMOVAL/INSTALLATION.)
(See AUDIO UNIT DISASSEMBLY/ASSEMBLY.)
No
Replace both the audio unit and the information display.
(CAN communication malfunction)