Reading and Clearing Diagnostic Trouble Codes

DIAGNOSIS SYSTEM (TEL ADAPTER UNIT)

On Board Diagnosis Function


HANDS-FREE PHONE SYSTEM ON BOARD DIAGNOSIS

During on board diagnosis the diagnosis function of TEL adapter unit starts with the operation of the steering switch and performs the diagnosis when ignition switch ACC.

ON BOARD DIAGNOSIS ITEM

The on board diagnosis has 3 modes: the self-diagnosis mode that performs the trouble diagnosis, the speaker adaptation data deleting mode and the hands-free phone system initialization mode.

CAUTION:
- Perform the diagnosis with the vehicle stopped.
- Perform STEP-2 if necessary.






Self-diagnosis results

Self-diagnosis mode reads out the self-diagnosis results.
NOTE:
- Error count is read out simultaneously when reading out the DTC name.
- The errors are read out continuously when some errors occur at the same time.
Self-diagnosis results





The Details of Error Count
The error count guides "0" when the error occurs. The next time it counts up "1" if it is normal with the ignition switch ON. It continues the count up unless the initialization of hands-free phone system is performed.

FLOW CHART OF TROUBLE DIAGNOSIS