Idling speed control. Checking electrical system on gas injection and ignition system (PEC)

Type ad · topic 07.54 · version 0102 · 2004-05-07

Applies to: ENGINE 111.979 in MODEL 902.0, 903.0, 904.0 with CODE (MS7) NGT (Natural Gas Transporter) sprinter

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.54 Gas injection and ignition system — Series 902 (models 0**) · Series 903 (models 0**) · Series 904 (models 0**)

EinPAS 15 Engine › 15.45 Engine management › 15.45.1 Basic information — Series 902 (models 0**) · Series 903 (models 0**) · Series 904 (models 0**)

Also applies to engines/gearboxes: 111 979

AD07.54-D-6000-07A

Idling speed control. Checking electrical system on gas injection and ignition system (PEC)

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

Scope of testing

Test instrument/test connection

Operation/

Requirement

Specified value

 Possible cause/

Remedy

1.0







Idling speed control



Ignition: ON

Current diagnostic fault code memory condition

 Unmetered air, throttle valve jammed (possibly only intermittently), idling speed control in emergency mode.

 Reset memory on the PEC unit and reactivate. If the fault is indicated again,

ad0754d600028a Throttle valve actuator motor. Checking electrical system on gas injection and ignition system (PEC)