For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Instrument Cluster Systm Check? | -- | Go to Step 2 | Go to Instrument Cluster System Check
2 | Disconnect the engine coolant temperature (ECT) sending unit connector. Does the ECT gauge indicate C? | -- | Go to Step 3 | Go to Step 4
3 | Replace the ECT sending unit. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
4 |

1. Disconnect the instrument panel cluster assembly connector C1.
2. Connect a J 39200 digital multimeter from connector cavity 5 to chassis ground.
3. Measure the resistance.

Is the resistance equal to the specified value?

∞

Go to Step 5

Go to Step 8

5 | Inspect the instrument panel cluster printed circuit for cracks and bad connections. Do any cracks or bad connections exist? | -- | Go to Step 6 | Go to Step 7
6 | Repair the cracks or bad connections in the instrument panel cluster printed circuit. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
7 | Replace the ECT gauge. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
8 | Repair the short to ground in the YEL/WHT wire between the instrument panel cluster assembly and the ECT sending unit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Instrument Cluster System Check | --