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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Radio, Navigation, Telephone, Pcm & Park Assistant - Diagnosis) >> System N 01 >> Fault Overview >> Test point 13 >> Possible causes, elimination, notes

Possible causes, elimination, notes

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NOTE: This fault is stored only if the ignition is switched on for at least 1 minute.
  1. Check fuse E 1.
  2. Pull off plug II on the display and operator control unit.
  3. Connect voltmeter to plug II pin 3 (positive) and ground.

    Switch on ignition.

    Display: Battery voltage.

NOTE: The lead is routed via jumper plug 13/1 on relay carrier 1.
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