For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Instrument Cluster System Check? | -- | Go to Step 2 | Go to Instrument Cluster System Check
2 |

1. Disconnect the engine coolant temperature (ECT) sensor connector.
2. Turn the ignition to the ON position.

Does the temperature gauge indicate cold?

--

Go to Step 3

Go to Step 4

3 | Repair the wire. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
4 | Connect a fused jumper wire from cavity 3 of the connector to ground. Does the temperature gauge indicate hot? | -- | Go to Step 5 | Go to Step 6
5 | Replace the engine coolant temperature (ECT) sensor. Refer to Engine Coolant Temperature Sensor Replacement in Engine controls. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
6 | Test the BRN wire using a J 39200 between the instrument cluster assembly and G105 for a short to ground. Does the wire have a short? | -- | Go to Step 3 | Go to Step 7
7 | Test the YEL/GRN wire using a J 39200 between the instrument cluster assembly and the engine coolant temperature sensor for an open. Does the wire have an open? | -- | Go to Step 3 | Go to Step 8
8 | Inspect the instrument cluster assembly printed circuit for any damage. Is the printed circuit damaged? | -- | Go to Step 9 | Go to Step 10
9 | Replace the printed circuit. Refer to Printed Instrument Cluster Circuit Replacement . Is the replacement complete? | -- | Go to Instrument Cluster System Check | --
10 | Replace the ECT gauge. Refer to Engine Coolant Temperature Gage Replacement . Is the repair complete? | -- | Go to Instrument Cluster System Check | --