A Symptoms - Engine Cooling

Important:
- Perform the A Diagnostic System Check before using the Symptom Tables in order to verify that all of the following are true:
- There are no DTCs set.
- The control module(s) can communicate via the serial data link.
- Review the system operation in order to familiarize yourself with the system functions.
Refer to Cooling System Description.
- Check for all related TSB's.

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the cooling system. Refer to Checking Aftermarket Accessories in Diagrams/Diagnostic Aids.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections in Diagrams/Diagnostic Aids.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

- Low Engine Coolant Indicator Inoperative
Low Engine Coolant Indicator Inoperative

- Engine Coolant Temperature Indicator Always On
Engine Coolant Temperature Indicator Always On

- Engine Coolant Temperature Indicator Inoperative
Engine Coolant Temperature Indicator Inoperative

- Engine Fails To Reach Normal Operating Temperature
Engine Fails to Reach Normal Operating Temperature

- Engine Overheating
Engine Overheating

- Loss of Coolant
Loss of Coolant