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Home >> Porsche >> 2003 >> Boxster Base, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instruments, Fuel Gauge, Alarm System - Diagnosis >> System I 16 >> Fault overview >> Test point 32 >> Possible causes, elimination, Notes

Possible causes, elimination, Notes

  1. Check power supply for passenger compartment monitoring sensor.
    • Disconnect plug connection to the passenger compartment monitoring sensor.
    • Voltmeter at plug connection, passenger compartment sensor monitoring pin 1 (positive) and pin 4 (negative).

      Display: Battery voltage

  2. Pull off plug I on the alarm control module.
  3. Voltmeter at plug I alarm control module pin 24 and ground.

    Display: 0 Volt

    If battery voltage is displayed, check the wiring harness for pinches and chafing damage.

  4. If no fault is detected, replace the alarm control module.