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Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Power Mirror Control System - Diagnosis >> Both Of Driver And Passenger Power Mirrors Cannot Be Adjusted Manually (Flow Chart 3) >> Circuit Description

Circuit Description

While a switch signal of the power mirrors is transmitted multiply to the driver's and passenger's door ECU from the driver side junction block, ACC signal is transmitted multiply to the driver's and passenger's door ECU from the theft deterrent ECU as well. This time the power mirrors face upward and downward or right and left.

NOTE: Power mirror control system has a function with a large-scale body multiplex communication. First of all, inspect the communication function according to "how to proceed with troubleshooting", and check that no malfunction exists in the communication system, then proceed with the troubleshooting.
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