Malfunction Indicator Lamp: Description and Operation

GF54.30-P-5010CY Component Description For an Engine Diagnosis Indicator Lamp
MODEL 204.0 with ENGINE 272.911 up to Model Year 8
MODEL 204.0 /2 with ENGINE 272.921 up to Model Year 8
MODEL 204.0 /2 with ENGINE 272.947 up to Model Year 8
MODEL 204.0 with ENGINE 272.948 up to Model Year 8
MODEL 204.0 /2 with ENGINE 272.961 up to Model Year 8
MODEL 204.0 with ENGINE 272.971 up to Model Year 8





Location in "Entry-Line" instrument cluster
A1e58 Engine diagnosis indicator lamp

The engine diagnosis indicator lamp (with yellow engine symbol) is located in the center of the instrument cluster (A1).





Location in "Mid-Line" instrument cluster
A1e58 Engine diagnosis indicator lamp

The engine diagnosis indicator lamp (with yellow engine signal) is located on the bottom left of the instrument cluster (A1).

Task
The indicator lamp alerts the driver to the reoccurrence of faults relevant to exhaust emissions.

Function
The ME-SFI [ME] control unit (N3/10) actuates the indicator lamp, whilst it sends a corresponding signal to the instrument cluster via the chassis CAN (CAN E).
As a function check the indicator lamp is actuated at "Ignition ON".
It goes out after engine start if there are no faults relevant to exhaust emissions.