INSPECTION PROCEDURE 7: The Radio and CD Player Information cannot be Displayed or the Display is not Normal.




COMMENTS ON TROUBLE SYMPTOM


The radio and CD player operation screen will be frozen if the centre display unit or multi display station have received abnormal data from the radio and CD player and via M-bus communication.

POSSIBLE CAUSES



DIAGNOSIS PROCEDURE

STEP 1. Connector check: Radio and CD player connector C-126 and multi display station connector C-109.


Q. Is radio and CD player connector C-126 and multi display station connector C-109 in good condition?

Go to Step 2.

Repair the defective connector.

STEP 2. Check the wiring harness between radio and CD player connector C-126 (terminal26, 27 and 34) and multi display station connector C-109 (terminal 7, 17 and 8).


Q. Is the wiring harness between radio and CD player connector C-126 (terminal26, 27 and 34) and multi display station connector C-109 (terminal 7, 17 and 8) in good condition?

Go to Step 3.

Repair the wiring harness.

STEP 3. Retest the system
Confirm that the radio and CD player operation screen is displayed normally.

Q. Is the check result satisfactory?
The procedure is complete.
Go to step 1.