MDX V6-3471cc 3.5L (2002)
Dimmer Switch: Testing and Inspection
Control Unit Input Test
Dash Lights Brightness Controller
Control Unit Input Test
1. Before testing the dash lights brightness control functions, troubleshoot the multiplex control system.
Driver's Multiplex Control Unit:
2. Remove the driver's multiplex control unit from the driver's under-dash fuse/relay box.
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, go to step 4.
