FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Checking the Power Supply, Phone Module (PHM)






Checking the power supply

Checking the components and wiring
Check that the fuse for the Phone module (PHM) is intact. For fuse position, see wiring diagram in question.
Measure voltage between C1-5(#5) and C1-6(#6) in connector C1. The voltage must be approximately 12 V.
Remedy as necessary.

Other information:
- Connecting the breakout box Connecting the Breakout Box, Phone Module (PHM)
- Signal specification Signal Description, Phone Module (PHM)
- Phone Module (PHM) Phone Module (PHM) Phone Module (PHM) Phone Module (PHM)

Was a fault detected?

Yes - Remedy as necessary

No - Troubleshooting procedure complete

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