Computers and Control Systems: Locations

ALTITUDE CORRECTION BOX Mounted inside of firewall behind glovebox

FUSE/RELAY PANEL In engine compartment, left rear side

ANTI-KNOCK CONTROL UNIT Behind passenger's footplate, next to DME control unit

CRUISE CONTROL UNIT In tunnel underneath the center console

DME CONTROL UNIT Behind passenger's footplate

ELECTRIC FUEL PUMP In tank shell, under fuel tank

TURBO COOLANT PUMP In coolant line, between expansion tank and turbo

DME/FUEL PUMP RELAY In main fuse/panel relay

TURBO COOLANT PUMP RELAY In main fuse/panel relay

COOLANT TEMPERATURE SENSOR On left side of engine, between cylinders 1 & 2

ENGINE SPEED SENSOR On bracket, above bellhousing at rear of engine

IGNITION TIMING SENSOR On top center of engine bell housing

KNOCK SENSOR On left side of engine block between No. 2 and 3 cylinders

OXYGEN SENSOR In exhaust pipe

REFERENCE MARK SENSOR On a bracket, at rear of engine

VEHICLE SPEED SENSOR On left side of transmission next to axle shaft flange

AIR REGULATING SOLENOID VALVE Between No. 3 and 4 intake pipes

IDLE POSITIONER SOLENOID Between No. 2 and 3 intake pipes

TIMING SOLENOID VALVE Between No. 3 and 4 intake pipes

TURBO COOLANT TEMP. SWITCH At coolant outlet on turbocharger