Vauxhall Workshop Service and Repair Manuals > Astra H > J Engine and Engine Aggregates | Fuel Injection Systems | Simtec 81 | Diagnostic Information and Procedures | Diagnostic Procedures | Simtec 81, Z 22 YH | C-xx Fault Isolation Procedures

C-033 - Engine Speed Output Signal Circuit

Test

Work Order Description

Nominal Value

T001

Check: Diagnostic Trouble Code stored

Is the following Diagnostic Trouble Code stored?

P0219

Engine Overspeed Condition

Diagnostic Tester Diagnostic Trouble Code

Current Value:

Yes:

No:

T002

Check Hardware / Program Software

Test okay?

Yes:

No:

Result	Cause Of Fault
E001	Mechanical Function Check
	The engine has been operated with more than 7200 rpm. Inform the customer that this extremely high rpms may cause mechanical damage.

E002	Result: Mechanical Fault
	Check the following mechanical fault sources: Valve timing Cylinder-head gasket, induction valve, discharge valve, piston ring, cylinder head (Valve timing, valves, piston, cylinder)

E003	Program Software
	Check Hardware / Program Software or Defective component: A84 Control Unit - Engine Important: Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.