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Fault code 58: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 58)

Work instruction Display OK If not OK
1 Check wire between ground point 7 and alarm system control module for open circuit.
  • Switch off the ignition.
  • Pull plug B off the alarm system control module.
  • Measure resistance between plug B pin 1 and ground.
 < 5
Step 2		 Repair wiring harness.
->End
2 Check wiring from the switching element for the filler flap to the alarm system control module for short circuit to ground.
  • Pull plug off switching element for filler flap.
  • Measure resistance between plug B on alarm system control module pin 5 and ground.
  • Measure resistance between plug B on alarm system control module pin 10 and ground.
 Step 3 Repair wiring harness.
->End
2 Check wiring from the switching element for the filler flap to the alarm system control module for open circuit.
  • Measure resistance between plug B on alarm system control module pin 5 and pin 2 on plug of switching element for filler flap.
  • Measure resistance between plug B on alarm system control module pin 10 and pin 1 on plug of switching element for filler flap.
 < 5
Step 3		 Repair wiring harness.
->End
3 Check output signal of the alarm system control module.
  • Select Filler flap in the "Drive links" menu item.
  • Perform a drive link test and simultaneously measure the voltage on the plug of the switching element for the filler flap, pins 1 and 2.
 A short voltage pulse can be measured with the digital multimeter.
Step 4		 Step 5
4
  • Replace switching element for filler flap.
 ->End
5
  • Replace control module.
 ->End
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