Signal Too High. Intermittent Fault

Signal too high. Intermittent fault

Checking the wiring and component




- Ignition off.
Check the cable between car-phone handset D3 (terminal #34) and car-phone control module A3 (terminal #3). Check for a short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Try replacing the car-phone handset if no fault is found in the wiring.
Remedy as necessary.

Other information:
- To access and replace the handset, see Replacing the handset Replacing the Handset
- To access or replace the car-phone module, see Telephone module/-control module (PHM), changing Service and Repair
- To connect the breakout box, see Connecting the breakout box. Car phone module Connecting the Breakout Box
- For information about signals and connectors, see Signal description. Phone module (PHM) Signal Specification.













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