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F2: Trouble Codes - Trouble Code 56 Idle Air Control Voltage High Opel Omega B

SIMTEC 56.1 F2: TROUBLE CODE TABLE

Trouble CodeInformation Sensor
Cause of FaultRemedy in

F0: DATA LIST

No.Trouble Code Storage when...

56

IDLE AIR CONTROL

VOLTAGE HIGH

23, 24, 25
· Short circuit to voltage or interruption in circuit to control unit 52

· Condition must be fulfilled for at least 0.3 s

· No fault recognition at a pulse ratio lower than 9.4 %

Effects:

· Oxygen sensor regulation and tank vent valve regulation are blocked

· All adaptation except throttle valve adaptation is blocked

· Deceleration fuel cutoff inhibition

· The controlled canister purge valve is actuated at a minimum value

· At throttle valve values lower than 12.20, 2 cylinders are switched off for safety reasons.