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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Window Motors & Regulators >> Glasses, Window Control Diagnosis - 911 CARRERA (996) >> Fault code 14 >> Diagnosis/troubleshooting

Fault code 14: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING FOR FAULT CODE 14

Work instruction Display OK If not OK
1 Check battery
  • Examine battery
Step 2 Charge or replace battery
-> End
2 Check the generator
  • Start engine
  • Switch off the air-conditioning system, the lighting and the rear window heating
  • Measure the voltage at both terminals of the battery
Approx. 14 V
Step 3
Step 4
3 Check input voltage of the control module
  • Switch off ignition
  • Pull plug C off the control module
  • Switch on ignition
  • Measure voltage between plug C on control module pin 2 and ground
  • Measure voltage between plug A on control module pin 13 and ground
Approx. 12 V
->End
Check plug connections for corrosion and contact resistance
-> End
4
  • Replace generator
-> End