Engine Coolant Temperature Receiver Gauge Malfunction

Engine Coolant Temperature Receiver Gauge Malfunction

DESCRIPTION

The meter CPU receives engine coolant temperature signals from the ECM via the CAN communication lines. The meter CPU displays engine coolant temperature that is calculated based on the data received from the ECM.

Wiring Diagram:

Step 1:

Step 2-4:

Step 4 (Continued)-5:

INSPECTION PROCEDURE

HINT: If there is an open or short in the engine coolant temperature sensor circuit, the ECM outputs the DTCs. Perform troubleshooting with the "SFI System".