Diesel Data: Automotive Repair

Component Locations

CEC Component Locations:






AIR FLOW METER:

Air Flow Meter (Engine Compartment):






The air flow meter is located at the front right side of the engine compartment.

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

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

ELECTRONIC CONTROL UNIT (ECU):
The ECU is located under the dash on the right side, behind the glove box.

EGR GAS TEMPERATURE SENSOR (CALIF. ONLY):
This temperature sensor is located at the EGR valve, in the line to the intake manifold.

EGR VACUUM SWITCHING VALVE (VSV):
Located under the intake manifold.

FUSES AND FUSIBLE LINKS

Location Of Fuses And Fusible Links:






IDLE SPEED CONTROL (ISC) VALVE:
The idle speed control valve is 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 block under the intake manifold.

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 manifold.

SUB-OXYGEN SENSOR (CALIF. ONLY):
The Sub oxygen sensor is located past the primary TWC on Calif.

THROTTLE BODY:
The throttle body is located on the rear left side of the engine.

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

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

WATER TEMPERATURE SENSOR (THW):
This sensor is located in the water outlet housing.