CAN COMMUNICATION SYSTEM > DIAGNOSIS SYSTEM

for Preparation Click here



ECUS OR SENSORS WHICH COMMUNICATE THROUGH CAN COMMUNICATION SYSTEM

  1. V1 Bus

    1. ECM

    2. Skid control ECU (Brake booster with master cylinder assembly)

    3. Main body ECU (Multiplex network body ECU)

    4. Yaw rate and acceleration sensor

    5. Power steering ECU assembly

    6. Certification ECU (Smart key ECU assembly)

    7. Airbag sensor assembly

    8. Steering angle sensor (Spiral cable with sensor sub-assembly)

    9. Transmission control ECU assembly

    10. Power management control ECU

    11. Combination meter assembly

    12. Navigation ECU (Display and navigation module display)*1

    13. Navigation ECU (Navigation computer sub-assembly)*2

  2. V2 Bus

    1. Power management control ECU

    2. Driving support ECU assembly*3

    3. Seat belt control ECU*4

    4. Parking assist ECU*1*2

    5. Clearance warning ECU assembly*5

  3. Power Management Bus

    1. Power management control ECU

    2. ECM

    3. Skid control ECU (Brake booster with master cylinder assembly)

    4. Air conditioning amplifier assembly

  4. CAN MS Bus

    1. Main body ECU (Multiplex network body ECU)

    2. Position control ECU and switch assembly*6

    3. Outer mirror control ECU assembly (Driver side)*6

    4. Outer mirror control ECU assembly (Front passenger side)*6

      HINT:
      *1: w/ Navigation system (for DVD)
      *2: w/ Navigation system (for HDD)
      *3: w/ Dynamic radar cruise control system
      *4: w/ Pre-crash safety system
      *5: w/ LEXUS parking assist sensor system
      *6: w/ Seat position memory


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

  1. The systems (ECUs and sensors) that adopt CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed on the vehicle.

    ECU/Sensor Name
    		Intelligent Tester Display
    		Applicability
    ECM
    		Engine
    		Installed on all vehicles
    Power management ECU
    1. Hybrid Control
    2. Power Management1
    		Installed on all vehicles
    Transmission control ECU assembly
    		Transmission Control
    		Installed on all vehicles
    Combination meter assembly
    		Combination Meter
    		Installed on all vehicles
    Main body ECU (Multiplex network body ECU)
    		Main Body
    		Installed on all vehicles
    Power steering ECU assembly
    		EPS
    		Installed on all vehicles
    Skid control ECU (Brake booster with master cylinder assembly)
    		ABS/VSC/TRC
    		Installed on all vehicles
    Steering angle sensor (Spiral cable with sensor sub-assembly)
    		Steering Angle Sensor
    		Installed on all vehicles
    Yaw rate and acceleration sensor
    		Yaw Rate/Deceleration Sensor
    		Installed on all vehicles
    Airbag sensor assembly
    		SRS Airbag
    		Installed on all vehicles
    Certification ECU (Smart key ECU assembly)
    		Entry & Start/Wireless Tuner
    		Installed on all vehicles
    Air conditioning amplifier assembly
    		Air Conditioner
    		Installed on all vehicles
    1. Navigation ECU (Display and navigation module display)*1
    2. Navigation ECU (Navigation computer sub-assembly)*2
    		AVN1
    		Vehicles with Navigation system
    Driving support ECU assembly
    		Cruise Control (ACC)
    		Vehicles with dynamic radar cruise control system
    Parking assist ECU
    		Parking Assist Monitor System
    		Vehicles with navigation system
    Clearance warning ECU assembly
    		Clearance Sonar
    		Vehicles with LEXUS parking assist sensor system
    Seat belt control ECU
    		Pre-crash Seat Belt
    		Vehicles with pre-crash safety system
    Position control ECU and switch assembly
    		Driver Seat
    		Vehicles with seat position memory
    1. Outer mirror control ECU assembly (Driver side)*3
    2. Outer mirror control ECU assembly (Front passenger side)*4
    		L-Mirror
    		Vehicles with seat position memory
    1. Outer mirror control ECU assembly (Front passenger side)*3
    2. Outer mirror control ECU assembly (Driver side)*4
    		R-Mirror
    		Vehicles with seat position memory

    HINT:
    *1: w/ Navigation system (for DVD)
    *2: w/ Navigation system (for HDD)
    *3: for LHD
    *4: for RHD


BUS CHECK (COMMUNICATION MALFUNCTION DTC)

HINT:
Only CAN communication system DTCs for each ECU can be displayed on the intelligent tester.



    C128170

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



    2. C128171

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



    3. C128172

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


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.



    C128170

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



    2. C128171

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



    3. C128178

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

    HINT:
    If any properly connected ECUs or sensors are not displayed, there is a communication stop in the system.



    4. C128179

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


DTC TABLE BY ECU

HINT:
  1. In the CAN communication system, the CAN communication DTCs of each ECU can be displayed using the intelligent tester.
  2. If CAN communication system DTCs are output, trouble cannot be determined only by the DTCs. Perform troubleshooting according to How to Proceed with Troubleshooting (Click here).

  1. Power Management Control ECU / Intelligent Tester Display "Hybrid Control"

    DTC Code
    		Detection Item
    U0100-211
    		Lost Communication with ECM/PCM "A"
    U0100-212
    		Lost Communication with ECM/PCM "A"
    U0100-530
    		Lost Communication with ECM/PCM "A"
    U0110-159*1
    		Lost Communication with Driver Motor Control Module
    U0110-160*2
    		Lost Communication with Driver Motor Control Module
    U0110-656*1
    		Lost Communication with Driver Motor Control Module
    U0110-657*1
    		Lost Communication with Driver Motor Control Module
    U0129-220
    		Lost Communication with Brake System Control Module
    U0129-222
    		Lost Communication with Brake System Control Module
    U0129-527
    		Lost Communication with Brake System Control Module
    U0129-528
    		Lost Communication with Brake System Control Module
    U0140-146
    		Lost Communication with Body Control Module
    U0151-763
    		Lost Communication with Airbag ECU
    U0164-594
    		Lost Communication with A/C ECU
    U0164-827
    		Lost Communication with A/C ECU
    U0424-537*3
    		Invalid Data Received from HVAC Control Module
    U1104-728*4
    		Lost Communication with Driving Support ECU
    U1107-436
    		Lost Communication with Power Management Module

    HINT:
    1. This ECU uses the CAN communication system for DTC communication.
    2. *1: Refer to Hybrid Control System (Click here).
    3. *2: Refer to Hybrid Control System (Click here).
    4. *3: Refer to Hybrid Control System (Click here).
    5. *4: Refer to Dynamic Radar Cruise Control System (Click here).

  2. Power Management Control ECU / Intelligent Tester Display "Electric Power Control"

    DTC Code
    		Detection Item
    U0129
    		Vehicle Speed Signal Communication
    U0140
    		Lost Communication with Body Control Module
    U0293*5
    		HV ECU Communication

    HINT:
    1. This ECU uses the CAN communication system for DTC communication.
    2. *5: Refer to Entry and Start System (Click here).

  3. Power Management Control ECU / Intelligent Tester Display "PM1 Gateway"

    DTC Code
    		Detection Item
    U0104
    		Lost Communication with Driving Support ECU
    U1002
    		Lost Communication with Gateway Module (Power Management1)
    U1100
    		Lost Communication with Seat Belt Control ECU
    U1110
    		Lost Communication with Clearance Sonar Module
    U110B
    		Lost Communication with Parking Assist Control Module "B"

    HINT:
    1. This ECU uses the CAN communication system for DTC communication.
    2. "PM1 Gateway" stores DTCs when a communication error is detected in the V2 bus.

  4. Power Management Control ECU / Intelligent Tester Display "PM2 Gateway"

    DTC Code
    		Detection Item
    U0100
    		Lost Communication with ECM / PCM
    U0129
    		Lost Communication with Brake System Control Module
    U0164
    		Lost Communication with A/C ECU
    U1002
    		Lost Communication with Gateway Module (Power Management2)

    HINT:
    1. This ECU uses the CAN communication system for DTC communication.
    2. "PM2 Gateway" stores DTCs when a communication error is detected in the power management bus.

  5. Power Management Control ECU / Intelligent Tester Display "Cruise Control"

    DTC Code
    		Detection Item
    U0122
    		Lost Communication with Vehicle Dynamic Control Module

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  6. ECM / Intelligent Tester Display "Engine and ECT"

    DTC Code
    		Detection Item
    U0293
    		Lost Communication with HV ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  7. Transmission Control ECU Assembly / Intelligent Tester Display "Transmission Control"

    DTC Code
    		Detection Item
    U0146
    		Lost Communication with Body ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  8. Power Steering ECU Assembly / Intelligent Tester Display "EMPS"

    DTC Code
    		Detection Item
    U0129
    		Lost Communication with Brake System Control Module
    U0293
    		Lost Communication with HV ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  9. Skid Control ECU (Brake booster with master cylinder assembly) / Intelligent Tester Display "ABS/VSC/TRC"

    DTC Code
    		Detection Item
    U0073
    		Control Module Communication Bus OFF
    U0123
    		Lost Communication with Yaw Rate Sensor Module
    U0124
    		Lost Communication with Lateral Acceleration Sensor Module
    U0126
    		Lost Communication with Steering Angle Sensor Module
    U0293
    		Communication Error from HV ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  10. Steering Angle Sensor / Intelligent Tester Display "Steering Angle Sensor"

    HINT:
    The steering angle sensor is connected to the CAN communication system, but the steering angle sensor does not store or output CAN communication DTCs.

  11. Yaw Rate and Acceleration Sensor / Intelligent Tester Display "Yaw Rate / Deceleration Sensor"

    HINT:
    The yaw rate and acceleration sensor is connected to the CAN communication system, but the yaw rate and acceleration sensor does not store or output CAN communication DTCs.

  12. Airbag Sensor Assembly / Intelligent Tester Display "SRS Airbag"

    HINT:
    The airbag sensor assembly is connected to the CAN communication system, but the airbag sensor assembly does not store or output CAN communication DTCs.

  13. Main Body ECU (Multiplex network body ECU) / Intelligent Tester Display "Main Body"

    DTC Code
    		Detection Item
    U0100
    		Lost Communication with ECM/ PCM "A"
    U0101
    		Lost Communication with TCM
    U0151
    		Lost Communication with Restraints Control Module
    U0155
    		Lost Communication with Instrument Panel Cluster
    U0164
    		Lost Communication with HVAC Control Module
    U0199
    		Lost Communication with "Door Control Module A"
    U0200
    		Lost Communication with "Door Control Module B"
    U0208
    		Lost Communication with "Seat Control Module A"
    U0293
    		Lost Communication with Hybrid Powertrain Control Module
    U0327
    		Software Incompatibility with Vehicle Security
    U1002
    		Lost Communication with Gateway Module (Main body)
    U1133
    		Lost Communication with PMN Module

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  14. Certification ECU (Smart key ECU assembly) / Intelligent Tester Display "Entry & Start"

    DTC Code
    		Detection Item
    U0100
    		Lost Communication with ECM / PCM "A"
    U0142
    		Lost Communication with Body Control Module "B"
    U0155
    		Lost Communication with Instrument Panel Cluster (IPC) Control Module
    U0293
    		Lost Communication with HV ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  15. Air Conditioning Amplifier Assembly / Intelligent Tester Display "Air Conditioner"

    DTC Code
    		Detection Item
    U0100
    		Lost Communication with ECM
    U0101
    		Lost Communication with TCM
    U0131
    		Lost Communication with Electric Power Steering ECU
    U0142
    		Lost Communication with Main Body ECU
    U0155
    		Lost Communication with Combination Meter
    U0293
    		Lost Communication with HV ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  16. Combination Meter Assembly / Intelligent Tester Display "Combination Meter"

    DTC Code
    		Detection Item
    U0100
    		Lost Communication with ECM / PCM "A"
    U0129
    		Lost Communication with Skid Control ECU
    U0131
    		Lost Communication with Power Steering Control Module
    U0142
    		Lost Communication with Main Body ECU
    U0151
    		Lost Communication with Airbag ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  17. Navigation ECU (Display and navigation module display) (w/ Navigation system for DVD) / Intelligent Tester Display "Navigation System"

    DTC Code
    		Detection Item
    U0073
    		Control Module Communication Bus Off
    U0155
    		Lost Communication with Combination Meter
    U0164
    		Lost Communication with A/C ECU
    U0293
    		Lost Communication with HV ECU
    U1110
    		Lost Communication with Clearance Warning ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  18. Navigation ECU (Navigation computer sub-assembly) (w/ Navigation system for HDD) / Intelligent Tester Display "Navigation System"

    DTC Code
    		Detection Item
    U0073
    		Control Module Communication Bus Off
    U0155
    		Lost Communication with Combination Meter
    U0164
    		Lost Communication with A/C ECU
    U0293
    		Lost Communication with HV ECU
    U1110
    		Lost Communication with Clearance Warning ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  19. Seat Belt Control ECU / Intelligent Tester Display "Pre-Crash"

    DTC Code
    		Detection Item
    U0122
    		Lost Communication with Vehicle Dynamics Control Module
    U0140
    		Lost Communication with Main Body ECU
    U0151
    		Lost Communication with Airbag ECU
    U1104
    		Lost Communication with Driving Support ECU

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  20. Driving Support ECU Assembly / Intelligent Tester Display "Pre-Crash 2"

    DTC Code
    		Detection Item
    U0122
    		Lost Communication with Vehicle Dynamics Control Module
    U0123
    		Lost Communication with Yaw Rate Sensor Module
    U0126
    		Lost Communication with Steering Angle Sensor Module
    U0235*6
    		Lost Communication with Cruise Control Front Distance Range Sensor
    U0293
    		Lost Communication with HV ECU
    U1100
    		Lost Communication with Seat Belt Control ECU
    U1104*7
    		Lost Communication with Driving Support ECU

    HINT:
    1. This ECU uses the CAN communication system for DTC communication.
    2. *6: Refer to Pre-Crash Safety System (Click here).
    3. *7: Refer to Pre-Crash Safety System (Click here).

  21. Driving Support ECU Assembly / Intelligent Tester Display "Radar Cruise"

    DTC Code
    		Detection Item
    U0122
    		Lost Communication with Vehicle Dynamics Control Module
    U0123
    		Lost Communication with Yaw Rate Sensor Module
    U0126
    		Lost Communication with Steering Angle Sensor Module
    U0235*8
    		Lost Communication with Cruise Control Front Distance Range Sensor
    U0293
    		Lost Communication with HV ECU
    U1104*9
    		Lost Communication with Driving Support ECU

    HINT:
    1. This ECU uses the CAN communication system for DTC communication.
    2. *8: Refer to Dynamic Radar Cruise Control System (Click here).
    3. *9: Refer to Dynamic Radar Cruise Control System (Click here).

  22. Clearance Warning ECU Assembly / Intelligent Tester Display "Clearance Sonar"

    DTC Code
    		Detection Item
    U0101*10
    		Lost Communication with TCM*8
    U0155
    		Lost Communication with Instrument Panel Cluster Control Module (Combination Meter)

    HINT:
    1. This ECU uses the CAN communication system for DTC communication.
    2. *10: Shift state signal can not received from hybrid vehicle control ECU

  23. Position Control ECU and Switch Assembly/ Intelligent Tester Display "Driver Seat"

    HINT:
    The position control ECU and switch assembly is connected to the CAN communication system, but the position control ECU and switch assembly does not store or output CAN communication DTCs.

  24. Outer Mirror Control ECU Assembly (Driver Side)/ Intelligent Tester Display "Mirror L" (for LHD), "Mirror R" (for RHD)

    DTC Code
    		Detection Item
    U0142
    		Lost Communication with Body Control Module "B"

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  25. Outer Mirror Control ECU Assembly (Front Passenger Side)/ Intelligent Tester Display "Mirror R" (for LHD), "Mirror L" (for RHD)

    DTC Code
    		Detection Item
    U0142
    		Lost Communication with Body Control Module "B"

    HINT:
    This ECU uses the CAN communication system for DTC communication.

  26. Parking Assist ECU / Intelligent Tester Display "Parking Assist Monitor System"

    DTC Code
    		Detection Item
    U0073
    		Control Module Communication Bus Off
    U0126
    		Lost Communication with Steering Angle Sensor Module
    U0129
    		Lost Communication with Brake System Control Module
    U0140
    		Lost Communication with Body Control Module
    U1110
    		Lost Communication with Clearance Sonar Module

    HINT:
    This ECU uses the CAN communication system for DTC communication.


DTC COMBINATION TABLE

  1. V1 Bus

    DTC
    		Trouble Mode
    Output ECU
    		Output DTC
    		Power Management ECU Communication Stop Mode
    		ECM Communication Stop Mode
    		Main Body ECU Communication Stop Mode
    		Combination Meter ECU Communication Stop Mode
    Power management control ECU
    (Hybrid Control)
    		U0100
    		○*1
    		○
    		X
    		X
    U0129
    		○*1
    		X
    		X
    		X
    U0140
    		○*1
    		X
    		○
    		X
    U0151
    		○*1
    		X
    		X
    		X
    U1107
    		○*1
    		X
    		X
    		X
    Power management control ECU
    (Electric Power Control)
    		U0129
    		○*1
    		X
    		X
    		X
    U0140
    		○*1
    		X
    		○
    		X
    U0293
    		○
    		X
    		X
    		X
    Power management control ECU
    (Cruise Control)
    		U0122
    		○*1
    		X
    		X
    		X
    ECM
    		U0293
    		○
    		○*1
    		X
    		X
    Transmission control ECU assembly
    		U0146
    		X
    		X
    		○
    		X
    Main body ECU
    		U0100
    		X
    		○
    		○*1
    		X
    U0101
    		○
    		X
    		○*1
    		X
    U0151
    		X
    		X
    		○*1
    		X
    U0155
    		X
    		X
    		○*1
    		○
    U0164
    		○
    		X
    		○*1
    		X
    U0293
    		○
    		X
    		○*1
    		X
    U0327
    		X
    		X
    		○*1
    		X
    U1133
    		○
    		X
    		○*1
    		X
    Combination meter assembly
    		U0100
    		○
    		○
    		X
    		○*1
    U0129
    		X
    		X
    		X
    		○*1
    U0131
    		X
    		X
    		X
    		○*1
    U0142
    		X
    		X
    		○
    		○*1
    U0151
    		X
    		X
    		X
    		○*1
    Skid control ECU
    		U0073
    		X
    		X
    		X
    		X
    U0123
    		X
    		X
    		X
    		X
    U0124
    		X
    		X
    		X
    		X
    U0126
    		X
    		X
    		X
    		X
    U0293
    		○
    		X
    		X
    		X
    Power steering ECU assembly
    		U0129
    		X
    		X
    		X
    		X
    U0293
    		○
    		X
    		X
    		X
    Certification ECU
    		U0100
    		X
    		○
    		X
    		X
    U0142
    		X
    		X
    		○
    		X
    U0155
    		X
    		X
    		X
    		○
    U0293
    		○
    		X
    		X
    		X
    Navigation ECU
    		U0073
    		X
    		X
    		X
    		X
    U0155
    		X
    		X
    		X
    		○
    U0164
    		○
    		X
    		X
    		X
    U0293
    		○
    		X
    		X
    		X
    U1110
    		○
    		X
    		X
    		X

    DTC
    		Trouble Mode
    Output ECU
    		Output DTC
    		Power Steering ECU Communication Stop Mode
    		Skid Control ECU Communication Stop Mode
    		Steering Angle Sensor Communication Stop Mode
    		Yaw Rate Sensor Communication Stop Mode
    Power management control ECU
    (Hybrid Control)
    		U0100
    		X
    		X
    		X
    		X
    U0129
    		X
    		○
    		X
    		X
    U0140
    		X
    		X
    		X
    		X
    U0151
    		X
    		X
    		X
    		X
    U1107
    		X
    		X
    		X
    		X
    Power management control ECU
    (Electric Power Control)
    		U0129
    		X
    		○
    		X
    		X
    U0140
    		X
    		X
    		X
    		X
    U0293
    		X
    		X
    		X
    		X
    Power management control ECU
    (Cruise Control)
    		U0122
    		X
    		X
    		X
    		X
    ECM
    		U0293
    		X
    		X
    		X
    		X
    Transmission control ECU assembly
    		U0146
    		X
    		X
    		X
    		X
    Main body ECU
    		U0100
    		X
    		X
    		X
    		X
    U0101
    		X
    		X
    		X
    		X
    U0151
    		X
    		X
    		X
    		X
    U0155
    		X
    		X
    		X
    		X
    U0164
    		X
    		X
    		X
    		X
    U0293
    		X
    		X
    		X
    		X
    U0327
    		X
    		X
    		X
    		X
    U1133
    		X
    		X
    		X
    		X
    Combination meter assembly
    		U0100
    		X
    		X
    		X
    		X
    U0129
    		X
    		○
    		X
    		X
    U0131
    		○
    		X
    		X
    		X
    U0142
    		X
    		X
    		X
    		X
    U0151
    		X
    		X
    		X
    		X
    Skid control ECU
    		U0073
    		X
    		○*1, 2
    		X
    		○
    U0123
    		X
    		○*1
    		X
    		○
    U0124
    		X
    		○*1
    		X
    		○
    U0126
    		X
    		○*1
    		○
    		X
    U0293
    		X
    		○*1
    		X
    		X
    Power steering ECU assembly
    		U0129
    		○*1
    		○
    		○
    		○
    U0293
    		○*1
    		X
    		X
    		X
    Certification ECU
    		U0100
    		X
    		X
    		X
    		X
    U0142
    		X
    		X
    		X
    		X
    U0155
    		X
    		X
    		X
    		X
    U0293
    		X
    		X
    		X
    		X
    Navigation ECU
    		U0073
    		X
    		X
    		X
    		X
    U0155
    		X
    		X
    		X
    		X
    U0164
    		X
    		X
    		X
    		X
    U0293
    		X
    		X
    		X
    		X
    U1110
    		X
    		X
    		X
    		X

    DTC

    Output ECU
    		Output DTC
    		Center Airbag Sensor Communication Stop Mode
    		Certification ECU Communication Stop Mode
    		Transmission control Communication Stop Mode
    		Navigation ECU Communication Stop Mode
    Power management control ECU
    (Hybrid Control)
    		U0100
    		X
    		X
    		X
    		X
    U0129
    		X
    		X
    		X
    		X
    U0140
    		X
    		X
    		X
    		X
    U0151
    		○
    		X
    		X
    		X
    U1107
    		X
    		X
    		X
    		X
    Power management control ECU
    (Electric Power Control)
    		U0129
    		X
    		X
    		X
    		X
    U0140
    		X
    		X
    		X
    		X
    U0293
    		X
    		X
    		X
    		X
    Power management control ECU
    (Cruise Control)
    		U0122
    		X
    		X
    		X
    		X
    ECM
    		U0293
    		X
    		X
    		X
    		X
    Transmission control ECU assembly
    		U0146
    		X
    		X
    		○*1
    		X
    Main body ECU
    		U0100
    		X
    		X
    		X
    		X
    U0101
    		X
    		X
    		X
    		X
    U0151
    		○
    		X
    		X
    		X
    U0155
    		X
    		X
    		X
    		X
    U0164
    		X
    		X
    		X
    		X
    U0293
    		X
    		X
    		X
    		X
    U0327
    		X
    		○
    		X
    		X
    U1133
    		X
    		X
    		X
    		X
    Combination meter assembly
    		U0100
    		X
    		X
    		X
    		X
    U0129
    		X
    		X
    		X
    		X
    U0131
    		X
    		X
    		X
    		X
    U0142
    		X
    		X
    		X
    		X
    U0151
    		○
    		X
    		X
    		X
    Skid control ECU
    		U0073
    		X
    		X
    		X
    		X
    U0123
    		X
    		X
    		X
    		X
    U0124
    		X
    		X
    		X
    		X
    U0126
    		X
    		X
    		X
    		X
    U0293
    		X
    		X
    		X
    		X
    Power steering ECU assembly
    		U0129
    		X
    		X
    		X
    		X
    U0293
    		X
    		X
    		X
    		X
    Certification ECU
    		U0100
    		X
    		○*1
    		X
    		X
    U0142
    		X
    		○*1
    		X
    		X
    U0155
    		X
    		○*1
    		X
    		X
    U0293
    		X
    		○*1
    		X
    		X
    Navigation ECU
    		U0073
    		X
    		X
    		X
    		○*1
    U0155
    		X
    		X
    		X
    		○*1
    U0164
    		X
    		X
    		X
    		○*1
    U0293
    		X
    		X
    		X
    		○*1
    U1110
    		X
    		X
    		X
    		○*1

    HINT:
    1. ○: Set
    2. X: Not set or may be set according to the malfunctioning part when one line of a branch is open.
    3. *1: DTC is not output during communication error, but will be output as a history DTC (past DTC) when communication returns to normal.
    4. *2: DTC U0123, U0124 and U0126 are not stored when DTC U0073 has already been stored.
    5. Skid Control ECU Communication Stop Mode (Click here)
    6. Power Steering ECU Communication Stop Mode (Click here)
    7. Steering Angle Sensor Communication Stop Mode (Click here)
    8. Yaw Rate Sensor Communication Stop Mode (Click here)
    9. ECM Communication Stop Mode (Click here)
    10. Transmission Control ECU Communication Stop Mode (Click here)
    11. Main Body ECU Communication Stop Mode (Click here)
    12. Combination Meter ECU Communication Stop Mode (Click here)
    13. Center Airbag Sensor Communication Stop Mode (Click here)
    14. Certification ECU Communication Stop Mode (Click here)
    15. Power Management ECU Communication Stop Mode (Click here)
    16. Navigation ECU Communication Stop Mode (Click here)