2Ad-Fhv Can Communication System (For Lhd) Diagnosis System

Communication System. Lexus Is250, Is220D. Gse20 Ale20
Can Communication. Lexus Is250, Is220D. Gse20 Ale20

  1. BUS CHECK (COMMUNICATION MALFUNCTION DTC)

  1. BUS CHECK (COMMUNICATION BUS CHECK)

  1. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT ADOPT CAN COMMUNICATION

  1. DTC TABLE BY ECU

  1. DTC COMBINATION TABLE

2Ad-Fhv Can Communication System (For Lhd) -- Diagnosis System



BUS CHECK (COMMUNICATION MALFUNCTION DTC)
HINT:
Only CAN communication system DTCs for each ECU can be displayed on the intelligent tester.


    Lexus Is250, Is220D. Gse20 Ale20.Can Communication.Can Communication System (For Lhd).2Ad-Fhv Can Communication System (For Lhd) Diagnosis System

  1. Select "Bus Check" from the "System Select" screen on the intelligent tester.



    2. Lexus Is250, Is220D. Gse20 Ale20

  2. Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter".



    3. Lexus Is250, Is220D. Gse20 Ale20

  3. Select the system of the DTC to be checked and select "Details".



    4. Lexus Is250, Is220D. Gse20 Ale20

  4. CAN communication system DTC(s) is/are displayed.


BUS CHECK (COMMUNICATION BUS CHECK)
HINT:
The ECUs and sensors that are properly connected to the CAN communication system can be displayed using the intelligent tester.


    Lexus Is250, Is220D. Gse20 Ale20

  1. Select "Communication Bus Check" from the "Bus Check" screen.



    2. Lexus Is250, Is220D. Gse20 Ale20

  2. The screen displays the ECUs and sensors that are properly connected to the CAN communication system.

    HINT:
    If ECUs or sensors that should be properly connected are not displayed, there is a communication stop in the system. (Click here)


    3. Lexus Is250, Is220D. Gse20 Ale20

  3. "There is no system connected to the communication bus" is displayed if there are no ECUs or sensors connected to the CAN bus.


CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT ADOPT CAN COMMUNICATION

  1. Systems (ECUs, sensors) that adopt CAN communication vary depending on the vehicle's optional equipment. Check which systems (ECUs, sensors) are installed on the vehicle.

    ECU/Sensor name
    		Check method
    Skid control ECU (with VDIM)
    		Vehicle stability control system
    Skid control ECU (without VDIM)
    		Vehicle stability control system
    Steering angle sensor
    		Installed on all vehicles
    Yaw rate sensor
    		Installed on all vehicles
    ECM
    		Installed on all vehicles
    Gateway ECU
    		Installed on all vehicles
    Power steering ECU
    		Installed on all vehicles
    Television camera ECU (with rear view monitor system)
    		Parking assist monitor system
    Center airbag sensor
    		Installed on all vehicles

DTC TABLE BY ECU

  1. ECM/Intelligent tester display "Engine"

    HINT:
    DTC communication uses the CAN communication system.

    DTC No.
    		Detection Item
    U0155
    		Lost Communication with Combination Meter

  2. SKID CONTROL ECU/Intelligent tester display "ABS/VSC/TRC"

    HINT:
    DTC communication uses the SIL line.

    DTC No.
    		Detection Item
    U0073
    		Control Module Communication Bus Off
    U0100
    		Lost Communication With ECM/PCM "A"
    U0123
    		Lost Communication With Yaw Rate Sensor Module
    U0124
    		Lost Communication With Lateral Acceleration Sensor Module
    U0126
    		Lost Communication With Steering Angle Sensor Module

  3. POWER STEERING ECU/Intelligent tester display "EPS"

    HINT:
    DTC communication uses the CAN communication system.

    DTC No.
    		Detection Item
    U0105
    		Lost Communication With ECM
    U0121
    		Lost Communication With Anti-lock Brake System (ABS) Control Module

  4. TELEVISION CAMERA ECU/Intelligent tester display "Parking Assist Monitor"

    HINT:
    The DTC is displayed on the multi-display assembly (not displayed on the intelligent tester).

    DTC No.
    		Detection Item
    5C-42
    		Steering Angle Sensor Communication Line Malfunction

  5. GATEWAY ECU

    HINT:
    The gateway ECU is connected to the CAN communication system, but CAN communication DTCs are not output.

  6. CENTER AIRBAG SENSOR

    HINT:
    The center airbag sensor is connected to the CAN communication system, but CAN communication DTCs are not output.

DTC COMBINATION TABLE

DTC
Trouble Mode
Output from
Output DTC
Skid Control ECU Communication Stop Mode
Steering Angle Sensor Communication Stop Mode
Yaw Rate Sensor Communication Stop Mode
Gateway ECU Communication Stop Mode
Skid Control ECU
U0073
○
X
X
X
U0100
□
During driving
X
X
X
U0123
○
X
○
X
U0124
○
X
○
X
U0126
○
○
X
X
ECM
U0155
X
X
X
○
Power Steering ECU
U0105
X
X
X
X
U0121
○
X
X
X
Television Camera ECU
5C-42
X
○
X
X

DTC
Trouble Mode
Output from
Output DTC
ECM Communication Stop Mode
Power Steering ECU Communication Stop Mode
Television Camera ECU Communication Stop Mode
Center Airbag Sensor Communication Stop Mode
Skid Control ECU
U0073
X
X
X
X
U0100
□
During driving
X
X
X
U0123
X
X
X
X
U0124
X
X
X
X
U0126
X
X
X
X
ECM
U0155
X
X
X
X
Power Steering ECU
U0105
○
○
X
X
U0121
X
○
X
X
Television Camera ECU
5C-42
X
X
○
X
HINT:
  1. ○: Set
  2. X: Not set or may be set according to the malfunction part when one side of the CAN branch lines opens
  3. □: Set under the condition shown in the table
  4. Skid Control ECU Communication Stop Mode: Click here
  5. Steering Angle Sensor Communication Stop Mode: Click here
  6. Yaw Rate Sensor Communication Stop Mode: Click here
  7. Gateway ECU Communication Stop Mode: Click here
  8. ECM Communication Stop Mode: Click here
  9. Power Steering ECU Communication Stop Mode: Click here
  10. Television Camera ECU Communication Stop Mode: Click here
  11. Center Airbag Sensor Communication Stop Mode: Click here