Vauxhall Workshop Service and Repair Manuals

C-28, Engine Speed Output Signal Circuit  

C-28, Engine Speed Output Signal Circuit
Test	Work Order Description		Nominal Value
T01	Check: Short to Ground/Interruption of Signal Circuit
	•  Select and enable diagnostic tester actuator test:   QUAD DRIVER T.   •  Refer to B-5 F5: ACTUATOR TEST Test09 QUAD DRIVER T.		The system telltale is triggered (flashing).   Test okay?
	Yes: T02	No: E04
T02	Check: Interruption of Signal Circuit
	•  Disconnect wiring harness connector from:   K57 Control Unit - Multec   X5 Instrument Panel & Multec   X26 Multec & Automatic Transmission   •  Measure resistance between the following terminals:   K57 Control Unit - Multec   Wiring Harness Connector Terminal B13   &   X5 Instrument Panel & Multec   Wiring Harness Connector Terminal 8		less than 2 Ohm
	Yes: T03	No: E03
T03	Check: Interruption of Signal Circuit
	•  Measure resistance between the following terminals:   K57 Control Unit - Multec   Wiring Harness Connector Terminal B13   &   X26 Multec & Automatic Transmission   Wiring Harness Connector (control unit side) Terminal B		less than 2 Ohm
	Yes: E01	No: E02

C-28, Engine Speed Output Signal Circuit
Result	Cause Of Fault
E01	•  Following system/component is faulty:   K85 Control Unit - Automatic Transmission   or   U16 Display - MID   or   K57 Control Unit - Multec
E02	•  Circuit interruption between:   K57 Control Unit - Multec   Wiring Harness Connector Terminal B13   &   X26 Multec & Automatic Transmission   Wiring Harness Connector (control unit side) Terminal B
E03	•  Circuit interruption between:   K57 Control Unit - Multec   Wiring Harness Connector Terminal B13   &   X5 Instrument Panel & Multec   Wiring Harness Connector Terminal 8
E04	•  Repair the concerned circuit/component.     Note:   Check light circuit to control unit terminal B10   Fuel consumption signal circuit (TRIP COMPUTER) to control unit terminal B12   Engine speed output circuit (TN-SIGNAL) to control unit terminal B13