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Home >> Toyota >> 2009 >> Corolla S, 1.8 L, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display >> Meter / Gauge System >> DTC U0100 Lost Communication with ECM / PCM "A" >> Inspection Procedure

Inspection Procedure

  1. CONFIRM DTC OUTPUT 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the tester on.
    4. Clear the stored DTCs by entering the following menus on the Techstream: Body Electrical / Trouble Codes.
    5. Drive the vehicle at more than 5 km/h (3.1 mph) for at least 60 seconds.
    6. Stop the vehicle.
    7. Check for DTCs (See DIAGNOSIS SYSTEM ).

      Result 

      RESULT REFERENCE

      Result Proceed to
      DTC Is output. A
      DTC is not output. B

      HINT:

      If the CAN communication system DTC U0100 and another DTC are output at the same time, perform troubleshooting for the CAN communication system DTC U0100 first.

      B: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

      A: GO TO CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

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