Engine Coolant Temperature Receiver Gauge Malfunction

Engine Coolant Temperature Receiver Gauge Malfunction

DESCRIPTION
- In this circuit, the meter CPU receives engine coolant temperature signals from the ECM using the CAN 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 will store the DTCs. Perform troubleshooting of the "SFI System".