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Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - COMBINATION METER) 
    1. Check the wire harness (see DTC B1214 SHORT TO B+ IN DOOR SYSTEM COMMUNICATION BUS MALFUNCTION; DTC B1215 SHORT TO GND IN DOOR SYSTEM COMMUNICATION BUS MALFUNCTION ).

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE COMBINATION METER ASSEMBLY 

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