Important: Use the J 35616-A Connector Test Adapter Kit whenever a diagnostic procedure requires inspection or probing a terminal. Use the adapter in order to ensure that no damage to the terminal may occur. This will also ensure that the contact tension is sufficient. If the contact tension seems incorrect, refer to Checking Terminal Contact in 8A-4 for specifics.

Important: In order to avoid misdiagnosis, ensure that you zero the J 39200 digital multimeter (DMM).

Is the LOW COOLANT level OK?

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Go to Step 3

Go to Step 2

Fill coolant reservoir to proper level

Is the low coolant level indicator illuminated?

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Go to Step 3

System OK

1. Connect a Scan Tool .
2. WOW the instrument cluster on.
3. WOW the instrument cluster off.

Does the low coolant level indicator turn off?

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Go to Step 4

Go to Step 8

1. Disconnect the low coolant level indicator module connector.
2. Turn the ignition switch to RUN.

Is the LOW COOLANT indicator on?

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Go to Step 5

Go to Step 6

1. Key off.
2. Using a J 39200 DMM, check terminal B CKT 68 YEL/BLK for a short to ground.

Is the specified value present?

∞

Go to Step 6

Go to Step 7

1. Replace the engine coolant level indicator module. Refer to Coolant Level Module Replacement in Engine Cooling.
2. Inspect the system.

Is the repair complete?

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System OK

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1. Repair the CKT 68 between the instrument cluster harness connector terminal B6 and the engine coolant level indicator module terminal B for a short to ground.
2. Inspect the system.

Is the repair complete?

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System OK

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1. Replace the instrument cluster. Refer to Instrument Cluster Replacement .
2. Inspect the system.

Is the repair complete?

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System OK

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