Checking the wiring and component
Check the cable between handset terminal #E7 and keypad unit / carphone control module terminal #A3 for a short-circuit to ground according to Short-circuit to ground, permanent faults .
Remedy as necessary.
Other information:
- To access and replace the handset, see Handset holder
- To access and replace the keypad unit and/or carphone module, see Radio/carphone, replacing
- To connect the breakout box, see Connecting the breakout box, Carphone module
- For information about signals and connectors, see Keypad unit /Carphone control module (PHM) (for hands-free loudspeaker and handset) and Handset (for keypad unit / carphone module (PHM)) .
Continue when the fault has been remedied.
- Continue
Refer to Verification