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

Lexus IS250 IS220d GSE20 ALE20 - CAN COMMUNICATION


2AD-FHV CAN COMMUNICATION SYSTEM (for RHD) - DIAGNOSIS SYSTEM

BUS CHECK (COMMUNICATION MALFUNCTION DTC)
  • HINT:
  • Only CAN communication system DTCs for each ECU can be displayed on the intelligent tester.
2Ad-Fhv Can Communication System (For Rhd) - Diagnosis System. CAN COMMUNICATION. Lexus IS250 IS220d GSE20 ALE20

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

2Ad-Fhv Can Communication System (For Rhd) - Diagnosis System. CAN COMMUNICATION. Lexus IS250 IS220d GSE20 ALE20

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

2Ad-Fhv Can Communication System (For Rhd) - Diagnosis System. CAN COMMUNICATION. Lexus IS250 IS220d GSE20 ALE20

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

2Ad-Fhv Can Communication System (For Rhd) - Diagnosis System. CAN COMMUNICATION. Lexus IS250 IS220d GSE20 ALE20

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.
2Ad-Fhv Can Communication System (For Rhd) - Diagnosis System. CAN COMMUNICATION. Lexus IS250 IS220d GSE20 ALE20

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

2Ad-Fhv Can Communication System (For Rhd) - Diagnosis System. CAN COMMUNICATION. Lexus IS250 IS220d GSE20 ALE20

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.
2Ad-Fhv Can Communication System (For Rhd) - Diagnosis System. CAN COMMUNICATION. Lexus IS250 IS220d GSE20 ALE20

"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

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 nameCheck method
Skid control ECU (with VDIM)Vehicle stability control system
Skid control ECU (without VDIM)Vehicle stability control system
Steering angle sensorInstalled on all vehicles
Yaw rate sensorInstalled on all vehicles
ECMInstalled on all vehicles
Gateway ECUInstalled on all vehicles
Power steering ECUInstalled on all vehicles
Television camera ECU (with rear view monitor system)Parking assist monitor system
Center airbag sensorInstalled on all vehicles
DTC TABLE BY ECU

ECM/Intelligent tester display "Engine"

  • HINT:
  • DTC communication uses the CAN communication system.
DTC No.Detection Item
U0155Lost Communication with Combination Meter

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

  • HINT:
  • DTC communication uses the SIL line.
DTC No.Detection Item
U0073Control Module Communication Bus Off
U0100Lost Communication With ECM/PCM "A"
U0123Lost Communication With Yaw Rate Sensor Module
U0124Lost Communication With Lateral Acceleration Sensor Module
U0126Lost Communication With Steering Angle Sensor Module

POWER STEERING ECU/Intelligent tester display "EPS"

  • HINT:
  • DTC communication uses the CAN communication system.
DTC No.Detection Item
U0105Lost Communication With ECM
U0121Lost Communication With Anti-lock Brake System (ABS) Control Module

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-42Steering Angle Sensor Communication Line Malfunction

GATEWAY ECU

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

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
DTCTrouble Mode
Output fromOutput DTCSkid Control ECU Communication Stop ModeSteering Angle Sensor Communication Stop ModeYaw Rate Sensor Communication Stop ModeGateway ECU Communication Stop Mode
Skid Control ECUU0073○XXX
U0100□
During driving		XXX
U0123○X○X
U0124○X○X
U0126○○XX
ECMU0155XXX○
Power Steering ECUU0105XXXX
U0121○XXX
Television Camera ECU5C-42X○XX
DTCTrouble Mode
Output fromOutput DTCECM Communication Stop ModePower Steering ECU Communication Stop ModeTelevision Camera ECU Communication Stop ModeCenter Airbag Sensor Communication Stop Mode
Skid Control ECUU0073XXXX
U0100□
During driving		XXX
U0123XXXX
U0124XXXX
U0126XXXX
ECMU0155XXXX
Power Steering ECUU0105○○XX
U0121X○XX
Television Camera ECU5C-42XX○X
  • HINT:
○: Set
X: Not set or may be set according to the malfunction part when one side of the CAN branch lines opens
□: Set under the condition shown in the table
Skid Control ECU Communication Stop Mode:
Steering Angle Sensor Communication Stop Mode:
Yaw Rate Sensor Communication Stop Mode:
Gateway ECU Communication Stop Mode:
ECM Communication Stop Mode:
Power Steering ECU Communication Stop Mode:
Television Camera ECU Communication Stop Mode:
Center Airbag Sensor Communication Stop Mode: