Vauxhall Workshop Service and Repair Manuals

C-38, Fuel Consumption Signal Circuit  

C-38, Fuel Consumption 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 engine telltale is triggered (flashing).   Test okay?
	Yes: T02	No: E03
T02	Check: Interruption of Signal Circuit
	•  Disconnect wiring harness connector from:   K57 Control Unit - Multec   U16 Display - MID   •  Measure resistance between the following terminals:   K57 Control Unit - Multec   Wiring Harness Connector Terminal B12   &   U16 Display Unit - Clock, Radio, Info Display, Check Control (MID)   Wiring Harness Connector Terminal 21		less than 2 Ohm
	Yes: E01	No: E02

C-38, Fuel Consumption Signal Circuit
Result	Cause Of Fault
E01	•  Following system/component is faulty:   U16 Display - MID
E02	•  Circuit interruption between:   K57 Control Unit - Multec   Wiring Harness Connector Terminal B12   &   U16 Display - MID   Wiring Harness Connector Terminal 21
E03	•  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