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Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Retractable Hardtop System - Diagnosis >> DTC B2505: Short In Luggage Door Drive Motor RH Circuit >> Circuit Description

Circuit Description

With the roof control switch being pressed, the sliding roof control ECU operates the roof panel, luggage door and package tray in the specified order.

The ECU operates the luggage door, adjusting the speed of the 2 motors positioned on the left and right sides.

DTC DETECTING CONDITION

DTC DTC Detecting Condition Trouble Area
B2505 Over-current {more than 30A) in the luggage door drive motor (RH) circuit.
  • Luggage door drive gear assembly RH
  • Sliding roof control ECU assembly