Did you perform the Instrument Cluster System Check?

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Go to Step 2

Go to Instrument Cluster System Check

1. Disconnect the engine coolant temperature (ECT) sending unit connector.
2. Connect a J 36169-A fused jumper from connector cavity to chassis ground.

Does the ECT gauge indicate H?

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Go to Step 3

Go to Step 4

Replace the ECT sending unit.

Is the repair complete?

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Go to Instrument Cluster System Check

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

Is the resistance greater than the specified value?

3.0 ohms

Go to Step 5

Go to Step 6

Repair the open 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?

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Go to Instrument Cluster System Check

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Inspect the instrument panel cluster printed circuit for cracks and bad connections.

Do any cracks or bad connections exist?

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Go to Step 7

Go to Step 8

Repair the cracks or bad connections in the instrument panel cluster printed circuit.

Is the repair complete?

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Go to Instrument Cluster System Check

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Replace the ECT gauge.

Is the repair complete?

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Go to Instrument Cluster System Check

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