Vauxhall Workshop Service and Repair Manuals

C-21, Secondary Air Injection System Switching Valve A Circuit  

C-21, Secondary Air Injection System Switching Valve A Circuit
Test	Work Order Description		Nominal Value
T01	Check: Short to Ground/Interruption of Voltage Supply Circuit
	•  Ignition OFF   •  Disconnect wiring harness connector from:   Y15 Valve - Secondary Air Injection   •  Ignition ON   •  Select and enable diagnostic tester actuator test:   AIR CONTR. SOL   •  CURSOR UP key pressed   •  Refer to B-5 F5: ACTUATOR TEST Test11 AIR CONTR. SOL   •  Measure voltage between the following terminals:   Y15 Valve - Secondary Air Injection   Wiring Harness Connector Terminal 1   &   Ground		greater than 11 V
	Yes: T02	No: T04
T02	Check: Short to Ground of Signal Circuit
	•  Connect test light to:   Y15 Valve - Secondary Air Injection   Wiring Harness Connector Terminal 1   &   Y15 Valve - Secondary Air Injection   Wiring Harness Connector Terminal 2   •  Select and enable diagnostic tester actuator test:   AIR CONTROL SOL.   •  CURSOR DOWN key pressed		Test light OFF?
	Yes: T03	No: E03
T03	Check: Interruption of Signal Circuit
	•  Select and enable diagnostic tester actuator test:   AIR CONTROL SOL.   •  CURSOR UP key pressed   •  Refer to B-5 F5: ACTUATOR TEST Test11 AIR CONTR. SOL		Test light ON?
	Yes: E01	No: E02
T04	Check: Short to Ground/Interruption of Voltage Supply Circuit
	•  Measure voltage between the following terminals:   Y15 Valve - Secondary Air Injection   Wiring Harness Connector Terminal 1   &   Ground   •  Select and enable diagnostic tester actuator test:   AIR CONTR. SOL   •  CURSOR UP key pressed   •  Refer to B-5 F5: ACTUATOR TEST Test11 AIR CONTR. SOL   •  Disconnect each of the following components/control units consecutively from the wiring harness and repeat the measurement each time:   X10 Multec & Valve, Injection   Y34 Valve - Fuel Tank Ventilation (Evaporation Control Valve)		greater than 11 V
	Yes: E04	No: E05

C-21, Secondary Air Injection System Switching Valve A Circuit
Result	Cause Of Fault
E01	•  Defective component:   Y15 Valve - Secondary Air Injection
E02	•  Circuit interruption between:   Y15 Valve - Secondary Air Injection   Wiring Harness Connector Terminal 2   &   K57 Control Unit - Multec   Wiring Harness Connector Terminal A11   or   •  Defective component:   K57 Control Unit - Multec
E03	•  Short circuit to ground between:   Y15 Valve - Secondary Air Injection   Wiring Harness Connector Terminal 2   &   K57 Control Unit - Multec   Wiring Harness Connector Terminal A11
E04	•  If the nominal value is reached during one of the measurements, the component/control unit that has been disconnected immediately before that measurement is defective.
E05	•  If the nominal value is not reached with any of the measurements, this indicates that one of the following faults is present:   Short circuit to ground/interruption of circuit between:   Y15 Valve - Secondary Air Injection   Wiring Harness Connector Terminal 1   &   K58 Relay - Pump, Fuel   Socket Terminal 8