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Problem Symptoms Table

  1. COMMUNICATION STOP MODE TABLE 
    1. Complete CHECK CAN BUS LINE  to confirm that there is no malfunction in the CAN bus line. Select "BUS CHECK" on the hand-held tester via the CAN VIM (see DIAGNOSIS SYSTEM  ).
    2. Check the communication stop mode of the ECUs or sensors is not displayed among the following: "ENGINE", "ABS/VSC/TRAC", "YAW /DECELERATE" or "STEERING SENSOR".
      NOTE: If 2 or more ECUs or sensors are not displayed on the hand-held tester via the CAN VIM, perform troubleshooting for the communication stop mode of each undisplayed ECU or sensor. (Either side of the CAN sub bus lines may be open (see CHECK FOR AN OPEN IN ONE SIDE OF CAN SUB BUS LINE  ).)
      PROBLEM SYMPTOMS TABLE

      Symptom Inspection Item Reference
      "ENGINE" is not displayed on the hand-held tester via CAN VIM. ECM COMMUNICATION STOP MODE ECM (1)
      "ABS/VSC/TRAC" is not displayed on the hand-held tester via CAN VIM. SKID CONTROL ECU COMMUNICATION STOP MODE   
      "STEERING SENSOR" is not displayed on the hand-held tester via CAN VIM. STEERING ANGLE SENSOR COMMUNICATION STOP MODE   
      "YAW /DECELERATE" is not displayed on the hand-held tester via CAN VIM. YAW RATE SENSOR COMMUNICATION STOP MODE   
      (1) "ENGINE" is not displayed on the hand-held tester via the CAN VIM if no power is supplied to the ECM.
  2. DTC COMBINATION TABLE 
    1. Perform troubleshooting according to the combination of DTCs output.
      Fig 1: DTC Combination Table
      G02964125Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      • Previous CAN communication system DTCs may be the cause if CAN communication system DTCs are output and all ECUs and sensors connected to the CAN communication system are displayed on the hand-held tester's "BUS CHECK" screen via the CAN VIM.
      • U0073/94, U0123/62, U0124/95, U0126/63 and U0100/65 are the DTCs in the CAN communication system.
      • *2.....U0100/65 is output if no power is supplied to the ECM.
      • The above table shows combinations of these DTCs.
      • ..... DTCs that are being output.
      • -...... DTCs that are not being output.
      • see SKID CONTROL ECU COMMUNICATION STOP MODE  .
      • see STEERING ANGLE SENSOR COMMUNICATION STOP MODE  .
      • see YAW RATE SENSOR COMMUNICATION STOP MODE  .
      • ECM COMMUNICATION STOP MODE: replace ECM.
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