Corsa B
Trouble-shooting: Nominal Value: Cause of Fault: (If nominal value is not attained)
Ignition ON, TECH 1 in Actuator Test mode "F5", test step 03
· Measure voltage at control Alternating display · Connecting line has short circuit to ground unit K 100 Ter. D 4 to 0.02 to 0.8 V - Connecting line has loose contact in plug ground or K 100 Ter. D 4 (at control unit plug!) Display oscillograph · Control unit defective image (square signal with 2 Hz visible)
· Measure voltage at ignition Alternating display · Connecting line has lead interruption module K 20 Ter. 4 to ground 0.02 to 0.8 V (at ignition module plug K 20!) or Measuring range: (20 V/AC) Display oscillograph image (square signal with 2 Hz visible)
· Check voltage at ignition module Primary voltage OK · Check ground connection at ignition module with TECH 80 K 20 Ter. 1 K 20 Ter. 2 to 31 - Check voltage at ignition module K 20 Ter. 3 to 15
· Ignition module defective
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