Diesel Data: Automotive Repair

Ambient Temperature Sensor Circuit

AMBIENT TEMPERATURE SENSOR CIRCUIT

CIRCUIT DESCRIPTION

The ambient temperature sensor sends the outside temperature signal to the clock. The clock transmits the signal to the skid control ECU as a communication signal. The skid control ECU controls the tire pressure warning system, depending on the changes in the outside temperature.

HINT:
- The signal sent from the ambient temperature sensor is also used in the A/C.
- This circuit is only for VSC vehicle.

Wiring Diagram:






Step 1 - 2:




Step 3:




Step 4:




INSPECTION PROCEDURE