FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Signal Missing. Intermittent Fault






Signal missing. Intermittent fault

Checking contact resistance, oxidation and wiring




- Ignition off.
Check handset connector D and car-phone module connector A for loose connections according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the cable between car-phone handset D6 (terminal #37) and car-phone module terminal A14 (terminal #14) for an open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the cable between car-phone module connector terminal A2 (terminal #2) and handset signal ground D5 (terminal #36) for an open-circuit 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.













Continue - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - Exit fault-tracing

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Attempt New Test - oxidation and wiring

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