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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 334 (Power Steering) >> Electronic Power Steering System >> DTC U0073/49 Control Module Communication Bus Off; DTC U0105/41 Lost Communication with Fuel Injector Control Module; DTC U0121/42 Lost Communication with Anti-Lock Brake System (ABS) Control Module >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. RECONFIRM DTC 
    1. Check for DTC.

      OK: 

      DTC is not output. 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

    NG: GO TO  CAN COMMUNICATION SYSTEM

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