3.5RL V6-3474cc 3.5L (2001)
Driver/Vehicle Information Display: Testing and Inspection
22P Connector "A" (C508)
30P Connector "B" (C509)
1. Remove the gauge assembly.
2. Disconnect the connectors from the gauge assembly.
3. Inspect the connector and socket terminals to be sure they are all making good contact.
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If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
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If the terminals look OK, make the following input tests at the connector.
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If any test indicates a problem, find and correct the cause, then recheck the system.
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If all the input test prove OK, the gauge printed circuit panel must be faulty; replace it.