RL V6-3474cc 3.5L (1998)
Information Bus: Diagnostic Trouble Code Tests and Associated Procedures
Power and Ground Test
Multiplex Control Unit (Door):
1. Remove the driver's door panel, and disconnect the 20P connector from the door unit.
2. 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 a test indicates a problem, find and correct the cause, then recheck the system.
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If all the input tests prove OK, the power window master switch must be faulty; replace it.
Multiplex Control Unit (Passenger's):
1. Remove the right kick panel.
2. Disconnect the 22P and 26P connectors, then remove the passenger's unit.