Diesel Data: Automotive Repair

Computers and Control Systems: Locations

CEC Component Location:






AIR FLOW METER:
The air flow meter is located at the left front section of the engine compartment

AIR SUCTION VACUUM SWITCHING VALVE (VSV):

Vacuum Hose Diagram:





Top left side of the engine.

CIRCUIT OPENING RELAY:
Located in right kick panel just above the ECU.

DIAGNOSTIC CHECK CONNECTOR:
The diagnostic check connector is located on the right side of the engine compartment.

EFI MAIN RELAY:
Located at front right side of engine compartment.

ELECTRONIC CONTROL UNIT (ECU):
Located in the right kick panel.

EGR GAS TEMPERATURE SENSOR (CALIF. ONLY):
This temperature sensor is located at the right side of engine, at the rear of the intake manifold.

FOURWHEEL DRIVE SWITCH:
Located on the top right side of transmission, at shift lever.

FUSES AND FUSIBLE LINKS

Fuses And Fusible Link:






IDLE-UP VACUUM SWITCHING VALVE (VSV):
Located in-line with the Idle-up Actuator, attached to the intake manifold.

INTAKE AIR TEMPERATURE SENSOR (THA):
The intake air temperature sensor is located inside the air flow meter.

KNOCK CONTROL SENSOR:
The knock sensor is located on the engine, at left side center.

NEUTRAL START SWITCH:
The Neutral Start Switch is located on the left side of the transmission, just past the bell housing.

OXYGEN SENSOR (OS):
The oxygen sensor is located in the exhaust system just before The Catalytic Converter.

THROTTLE POSITION SENSOR (TPS):
The throttle position sensor is located on the throttle body assembly

VEHICLE SPEED SENSOR (VSS):
Located behind the instrument panel.

WATER TEMPERATURE SENSOR (THW):
Front right side of engine.