Vauxhall Workshop Service and Repair Manuals

C-16, Key IN recognition circuit  

C-16, Key IN recognition circuit
Test	Instructions		Nominal value
T01	Measure voltage
	•  Disconnect wiring harness plug from anti-theft warning system control unit & central door locking K94 (12 pin)   •  Measure wiring harness plug voltage K94/terminal 3 to ground and ignition key in position I, II and III		Greater than 11.5 V
	Yes:   E01	No:   T02
T02	Measure voltage
	•  Only one or two of the voltage measurements (Test 01) revealed a measurement value greater than 11.5 V		Determination O. K.
	Yes:   E02	No:   T03
T03	Measure resistance
	•  Separate instrument panel wiring harness plug & body X1   •  Disconnect wiring harness plug from anti-theft warning system control unit & central door locking K94 (12 pin)   •  Measure resistance between wiring harness plug K94/terminal 3 and instrument panel wiring harness plug & body (80 pin) X1/terminal 70		Lower than 2 Ω
	Yes:   E04	No:   E03

C-16, Key IN recognition circuit
No.	Result
E01	•  Anti-theft warning system control unit & central door locking K94 defective
E02	•  Starter switch S1 defective
E03	•  Interruption in lead between instrument panel wiring harness plug & body (80 pin) X1/terminal 70 and anti-theft warning system control unit wiring harness plug & central door locking K94/terminal 3
E04	•  Interruption in lead between instrument panel wiring harness plug & body (80 pin) X1/terminal 70 and starter switch S1/terminal W