Vauxhall Workshop Service and Repair Manuals

C-03, System Voltage Circuit  

C-03, System Voltage Circuit
Test	Work Order Description		Nominal Value
T01	Check: Short to Voltage of Voltage Supply Circuit
	•  Ignition OFF   •  Disconnect wiring harness connector from:   G1 Battery   •  Wait time: minimum 60 s   •  Disconnect wiring harness connector from:   K31 Control Unit - Airbag   •  Connect wiring harness connector to:   G1 Battery   •  Measure voltage between the following terminals:   X90 Instrument Panel & Control Unit - Airbag 30P   Wiring Harness Connector Terminal 8   &   Ground		less than 0.1 V
	Yes: T02	No: E04
T02	Check: Short to Ground/Interruption of Voltage Supply Circuit
	•  Ignition ON   •  Measure voltage between the following terminals:   X90 Instrument Panel & Control Unit - Airbag 30P   Wiring Harness Connector Terminal 8   &   Ground		greater than 11.5 V
	Yes: T03	No: E03
T03	Check: Short to Voltage/Interruption of Ground Circuit
	•  Measure voltage between the following terminals:   X90 Instrument Panel Control Unit - Airbag 30P   Wiring Harness Connector Terminal 8   &   X90 Instrument Panel & Control Unit - Airbag 30P   Wiring Harness Connector Terminal 6		greater than 11.5 V
	Yes: E01	No: E02

C-03, System Voltage Circuit
Result	Cause Of Fault
E01	•  Defective component:   K31 Control Unit - Airbag
E02	•  Short circuit to voltage/interruption of circuit between:   X90 Instrument Panel & Control Unit - Airbag 30P   Wiring Harness Connector Terminal 6   &   Ground
E03	•  Short circuit to ground/interruption of circuit between:   S1 Switch - Starter   Wiring Harness Connector Terminal V   &   X90 Instrument Panel & Control Unit - Airbag 30P   Wiring Harness Connector Terminal 8   or   •  Defective component:   S1 Switch - Starter
E04	•  Short circuit to voltage between:   S1 Switch - Starter   Wiring Harness Connector Terminal V   &   X90 Instrument Panel & Control Unit - Airbag 30P   Wiring Harness Connector Terminal 8   or   •  Defective component:   S1 Switch - Starter