FixVault

Problem Symptoms Table

WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
  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 intelligent tester via the CAN VIM.
    2. Check the communication stop mode of the ECUs or sensors 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 intelligent 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).

    RESULT LIST OF HOW TO PROCEED WITH TROUBLESHOOTING 

    PROBLEM SYMPTOMS TABLE

    Symptom Suspected Area Information
    The result of HOW TO PROCEED WITH TROUBLESHOOTING is Open in CAN Main Bus Line CHECK CAN MAIN BUS LINE FOR DISCONNECTION CAN MAIN BUS LINE FOR DISCONNECTION 
    The result of HOW TO PROCEED WITH TROUBLESHOOTING is in CAN Bus Line CHECK CAN BUS LINE CAN BUS LINE 
    The result of HOW TO PROCEED WITH TROUBLESHOOTING is Short to +B in CAN Bus Line CHECK CAN BUS LINE FOR SHORT TO +B CHECK CAN BUS LINE FOR SHORT TO +B 
    The result of HOW TO PROCEED WITH TROUBLESHOOTING is Short to GND in CAN Bus Line CHECK CAN BUS LINE FOR SHORT TO GND CHECK CAN BUS LINE FOR SHORT TO GND 
    The result of HOW TO PROCEED WITH TROUBLESHOOTING is Short in CAN Bus Line CHECK CAN SUB LINES FOR SHORT CIRCUIT CHECK CAN BUS LINES FOR SHORT CIRCUIT 

    COMMUNICATION STOP MODE TABLE 

    PROBLEM SYMPTOM TABLE

    Symptom Suspected Area Information
    Skid control ECU is not displayed on the intelligent tester SKID CONTROL ECU COMMUNICATION STOP MODE SKID CONTROL ECU COMMUNICATION STOP MODE 
    Yaw rate sensor is not displayed on the intelligent tester YAW RATE SENSOR COMMUNICATION STOP MODE YAW RATE SENSOR COMMUNICATION STOP MODE 
    Steering sensor is not displayed on the intelligent tester STEERING SENSOR COMMUNICATION STOP MODE STEERING ANGLE SENSOR COMMUNICATION STOP MODE