Checking Program
| Trouble Code | Trouble Code Storage when... | |
|---|---|---|
| 121 | Trouble code is stored if more than one internal fault in the radio is recognized. | |
| Notes on Trouble-shooting: | Nominal Value: | Cause of Fault: |
| (If nominal value is not attained) |
· This function cannot be checked in the wiring harness.
| · Radio defective |
To be on the safe side, carry out a RESET, i.e., switch radio off and on again.
After approx. 5 s, the TID must return to normal display mode.