Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

GF54.30-P-5011MAR Component Description For the "Check Engine" Indicator Lamp




GF54.30-P-5011MAR Component Description For the "CHECK
ENGINE" Indicator Lamp

MODEL 230.470 with ENGINE 156.981 as of Model Year 09 /modification year 08 model refinement package
- with CODE (494) USA version





Shown on instrument cluster (A1) (series production version)
A1e26 "CHECK ENGINE" MIL

Location
The indicator lamp is located on the right in the instrument cluster.

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 by transmitting an appropriate signal via the engine compartment CAN (CAN-C) to the instrument cluster.
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.