Diesel Data: Automotive Repair

Air Conditioning System

DTC 14 ENGINE COOLANT TEMPERATURE COMMUNICATION CIRCUIT

CIRCUIT DESCRIPTION

Detection Item:




The sensor connected to the ECM detects the engine coolant temperature that is used for warm up control when the engine is cold. The sensor sends a signal to the A/C amplifier via the ECM.

Wiring Diagram:






Step 1 - 2:




INSPECTION PROCEDURE