LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2012 >> Yaris SE, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System (Hatchback) (Diagnostic Codes & Symptom Tests) >> METER / GAUGE SYSTEM (for Hatchback) >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0151: Lost Communication with Airbag ECU >> Procedure

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0151: Lost Communication with Airbag ECU: Procedure

  1. CONFIRM DTC OUTPUT 
    1. Check DTC. Refer to DTC CHECK / CLEAR .
      Result Proceed to
      CAN communication DTC is not output A
      CAN communication DTC is output (for Hatchback except Separate Type Yaw Rate Sensor) B
      CAN communication DTC is output (for Hatchback with Separate Type Yaw Rate Sensor) C

    B → See step   2 

    C → See step   4 

    A → See step   3 

  2. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  3. USE SIMULATION METHOD TO CHECK. Refer to  DIAGNOSIS SYSTEM 
  4. GO TO CAN COMMUNICATION SYSTEM. Refer to  DIAGNOSIS SYSTEM