190E 2.3 (201.028) L4-2.3L (102.985) (1987)
Engine Control Module: Locations
Ignition
AUXILIARY RELAY BOX- In engine compartment in front of main fuse/relay box
CLUTCH CRUISE SWITCH- On clutch pedal support
COLD START VALVE- Located in front of fuel distributor
COOLANT TEMP. SENDING UNIT- In left front side of cylinder head
CRUISE CONTROL SENSOR- On rear of speedometer
CRUISE CONTROL UNIT- Under dash on right side, behind legroom panel
DIAGNOSTIC PLUG- In engine compartment on left rear side
EGR CONTROL UNIT- Above right side of passenger's footwell
EGR SOLENOID VALVE- In engine compartment, on right side
EGR SWITCH-OVER VALVE- Under intake manifold
ENGINE SPEED SWITCH- In engine compartment on left wheel house
FUEL INJECTION CONTROL UNIT- In engine compartment on right rear side
FUEL PUMP- In front of left rear axle
FUEL PUMP CUT-OFF RELAY- In engine compartment on left wheel house
FUEL PUMP RELAY- In engine compartment on right side
IDLE CONTROL PROTECTION RELAY- In engine compartment behind battery
IGNITION MODULE UNIT- In engine compartment on left side
INTAKE AIR TEMPERATURE SENSOR- On engine next to fuel distributor
MAIN FUSE/RELAY BOX- At left rear corner of engine compartment
OVERVOLTAGE PROTECTION UNIT- In engine compartment on left side
THERMO TIME SWITCH- On right front side of engine block
TRANSISTORIZED IGN CONTROL UNIT- In engine compartment on left front side