Diesel Data: Automotive Repair

EGR Temperature Sensor California




CIRCUIT DIAGRAM





USING MULTI-USE TESTER


Steps 1-2:




HARNESS INSPECTION


OPERATION

EGR temperature sensor is thermistor type. It detects the temperature of gas passage in EGR control valve, converts the detected temperature to electric signal and sends the signal to the engine control unit.



TROUBLESHOOTING HINTS

If a wire is broken on the EGR temperature sensor, the alarm light comes on.