Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Instrument Cluster Diagnostic System Check? | -- | Go to Step 2 | |||||
2 | Verify that the engine coolant temperature gauge is inaccurate or inoperative. Does the engine coolant temperature gauge operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||
3 |
Important: There is a flat band in the gauge where the engine temperature is between 87.8-104.4 C (190-220 F) and the gauge remains at 93 C (200 F).
Are the temperatures as specified? | 165°F-215°F (73°C-112°C) | Go to Step 4 | Go to Step 7 | ||||
4 | Read the monitored coolant temperature from the scan tool. Is the monitored coolant temperature reading within the specified range? | 100-260°F (38-127°C) | Go to Step 5 | Go to Step 6 | ||||
5 | Compare the monitored coolant temperature with the displayed coolant temperature. Are the temperatures approximately equal or within 14°C (25°F)? | -- | Go to Step 6 | Go to Step 7 | ||||
6 |
Important: There is a flat band in the gauge where the engine temperature is between 87.8-104.4 C (190-220 F) and the gauge remains at 93 C (200 F).
Is the gauge reading correct? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 7 | ||||
7 | Replace the instrument cluster. Refer to Instrument Cluster Replacement . Did you complete the replacement? | -- | Go to Step 8 | -- | ||||
8 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
