Operation CHARM: Car repair manuals for everyone.

Reading and Clearing Diagnostic Trouble Codes

Self-Diagnosis Function
The followings are diagnosis functions performed by TEL adapter unit.
- Performs the unit self-diagnosis and antenna diagnosis, and informs results with the indicator and voice guidance.
- Informs vehicle speed pulse count from the time of key switch ON with voice guidance, and enables to check vehicle speed signal.
- Outputs voice giving to microphone with speaker, and enables to check microphone function.

OPERATION PROCEDURE
1. Start the engine.






- This allows the indicator to blink concurrently with voice guidance outputs, and determines if there is any current error in the state of blinking.
- When the indicator does not blink, check the microphone power supply circuit, and then repair malfunctioning part.












5. Perform the followings.






6. Beep sounds (while 1 second) outputs 3 seconds after voice guidance of microphone check.
7. Voice giving to microphone outputs from speaker. Microphone function can be checked.
8. Diagnosis mode exits after a beep sounds.