TL V6-3.2L (2004)
6. Reconnect the connectors to the under dash fuse/relay box Turn the ignition switch ON (II), and make these input tests at the appropriate
connectors on the under-dash fuse/relay box
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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 tests prove OK, go to step 7
Door Multiplex Control Unit
7. Turn the ignition switch OFF.
8. Remove the driver's door panel.
9. Disconnect the 22P connector from the door multiplex control unit.
10. 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, go to step 11.
11. Reconnect the connector to the door multiplex control unit. Turn the ignition switch ON (II), and make these input tests at the appropriate
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 tests prove OK, the MICU must be faulty; replace the under-dash fuse/relay box.
