1. Turn the ignition switch to the RUN position.
2. Disconnect the engine coolant temperature (ECT) sensor.
3. Connect a fused jumper wire from the engine coolant temperature sensor connector, cavity A to ground. Refer to Using Fused Jumper Wires in Wiring Systems.

Did the temperature gauge move to HOT?

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Go to Step 2

Go to Step 3

Replace the ECT sensor. Refer to one of the following procedures in Engine Controls:

Did you complete the repair?

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System OK

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1. Remove the fused jumper wire from the ECT sensor connector.
2. Backprobe the instrument cluster with a fused jumper wire from cavity 13 to ground.

Did the temperature gauge move to HOT?

--

Go to Step 4

Go to Step 5

Repair the open in CKT 35 (DK GRN) between the instrument cluster connector, cavity 13 and the ECT sensor connector, cavity A.

Did you complete the repair?

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System OK

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Replace the temperature gauge.

Did you complete the repair?

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System OK

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