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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Lights, Lamps, Switches Interior, Theft Protection Diagnosis - 911 CARRERA (996) >> Fault code 13 >> Diagnosis/troubleshooting

Fault code 13: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 13)

Work instruction Display OK If not OK
1 Check wire from control module to the left door lock for short circuit to ground.
  • Switch off the ignition.
  • Pull plug A off the alarm system control module.
  • Pull plug off the left door lock.
  • Left-hand drive vehicle: Measure resistance between plug A on control module pin 30 and ground.
  • Right-hand drive vehicle: Measure resistance between plug A on control module pin 32 and ground.
Step 2 Repair wiring harness.
-> End
2 Check wire from control module to the left door lock for short to B+.
  • Switch on ignition.
  • Left-hand drive vehicle: Measure voltage between plug A on control module pin 32 and ground.
  • Right-hand drive vehicle: Measure voltage between plug A on control module pin 30 and ground.
0 V
Step 3
Repair wiring harness.
-> End
3 Check wire from control module to left door lock for open circuit.
  • Switch off the ignition.
  • Left-hand drive vehicle: Measure resistance between plug A on control module pin 30 and pin 3 of plug on left door lock.
  • Right-hand drive vehicle: Measure resistance between plug A on control module pin 32 and pin 3 of plug on left door lock.
< 5
Step 4
Repair wiring harness.
-> End
4
  • Replace left door lock.
-> End