Engine Coolant Temperature Gauge Malfunction

METER: METER / GAUGE SYSTEM: Engine Coolant Temperature Gauge Malfunction

Engine Coolant Temperature Gauge Malfunction

DESCRIPTION

In this circuit, the combination meter receives the engine coolant temperature signals from the ECM using the CAN communication lines. The combination meter displays an engine coolant temperature that is calculated based on the data received from the ECM.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM
(a) Check for the DTCs (Reading and Clearing Diagnostic Trouble Codes).

Result





B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.
2. CHECK SFI SYSTEM (ENGINE COOLANT TEMPERATURE)
(a) Check for DTCs (Reading and Clearing Diagnostic Trouble Codes).

Result





D -- Go to DIAGNOSTIC TROUBLE CODE CHART
C -- Go to DIAGNOSTIC TROUBLE CODE CHART
B -- Go to DIAGNOSTIC TROUBLE CODE CHART
A -- REPLACE COMBINATION METER ASSEMBLY