Did you perform the Instrument Cluster Diagnostic System Check?

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Go to Step 2

Go to Instrument Cluster System Check

1. Disconnect the ECT sensor connector.
2. Use a J 35616-A in order to connect one RED lead of a J 33431-C to the ECT sensor connector cavity 2 and connect the other lead to ground.
3. Turn the ignition switch to the ON position.
4. Set the resistance dial of the tester to the following settings:

•

136ohms

•

52ohms

•

10ohms

Does the ECT gauge indicate a C (136ohms), midpoint between the C and the H (52ohms) and H (10ohms)?

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Go to Step 3

Go to Step 4

Replace the sensor.

Is the repair complete?

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Go to Instrument Cluster System Check

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1. Disconnect the J 33431-C .
2. Disconnect the I/P cluster assembly connector C1.
3. Connect a J 39200 DMM from the IP cluster assembly connector C1 terminal 6 to ECT sensor connector cavity 2.
4. Measure the resistance.

Is the measured resistance less than the specified values?

5ohms

Go to Step 5

Go to Step 7

Inspect for high resistance in the IP cluster printed circuit.

Is the circuit OK?

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Go to Step 6

Go to Step 8

Replace the ECT gauge.

Is the repair complete?

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Go to Instrument Cluster System Check

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Repair the open in the YEL/WHT wire between the IP cluster assembly and the ECT sensor. 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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Replace the instrument cluster printed circuit. Refer to Printed Instrument Cluster Circuit Replacement in Instrument Panel, Gauges, and Console.

Is the repair complete?

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Go to Instrument Cluster System Check

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