BUS CHECK
Select "Bus Check" from "System Select".
CHECK INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION
Systems (ECUs and sensors) that use CAN communication vary depending on the optional settings of the vehicle. Check which systems (ECUs and sensors) are installed on the vehicle.
| ECU/Sensor Name | Tester Display | Installed on |
|---|---|---|
| ECM | ECM (Engine) | All vehicles |
| Combination meter assembly | Combination Meter | All vehicles |
| Air conditioning amplifier assembly | Air Conditioning Amplifier | For vehicles with an air conditioning system, except 5L-E |
| Certification ECU (smart key ECU assembly) | Certification (Smart) | For vehicles with a smart entry and start system |
| Headlight leveling ECU assembly | Headlight swivel (AFS) | For vehicles with an LED headlight |
| Center airbag sensor assembly | Airbag | For vehicles with an airbag system |
| Brake actuator assembly (skid control ECU) | Skid Control (ABS/VSC/TRAC) | For vehicles with an ABS |
| Spiral with sensor cable sub-assembly (steering angle sensor) | Spiral cable (Steering Angle Sensor) | For vehicles with a VSC |
DTC TABLE BY ECU
Tech Tips
In the CAN communication system, CAN communication system DTCs stored by an ECU can be output by using the GTS.
If CAN communication system DTCs are output, the trouble cannot be determined solely from the DTCs. Perform troubleshooting according to "How to Proceed with Troubleshooting" Click here.
ECM
Tech Tips
DTC communication uses the CAN communication system.
| DTC Code | Detection Item |
|---|---|
| U0101*1 | Lost Communication with TCM |
| U010E*2 | Lost Communication with Reductant Control Module |
| U029D*2 | Lost Communication with NOx Sensor "A" |
*1: Refer to ECD System (for KD Series Engine)
for 1KD-FTV (w/ DPF): Click here
for 1KD-FTV (w/o DPF): Click here
for 2KD-FTV : Click here
*2: Refer to ECD System (for 1GD-FTV)
for U010E: Click here
for U029D: Click here
TRANSMISSION CONTROL ECU ASSEMBLY (for 1KD-FTV, 2KD-FTV and Automatic Transmission)
Tech Tips
DTC communication uses the CAN communication system.
| DTC Code | Detection Item |
|---|---|
| U0100* | Lost Communication with ECM/PCM "A" |
*: Refer to Electronic Controlled Automatic Transmission System Click here.
AIR CONDITIONING AMPLIFIER ASSEMBLY (w/ Air Conditioning System, except 5L-E)
Tech Tips
DTC communication uses the CAN communication system.
| DTC Code | Detection Item |
|---|---|
| B1499 | Communication Malfunction (Engine&Meter ECU) |
COMBINATION METER ASSEMBLY
Tech Tips
DTC communication uses the CAN communication system.
| DTC Code | Detection Item |
|---|---|
| U0100 | Lost Communication with ECM/PCM "A" |
| U0129 | Lost Communication with Brake System Control Module |
| U0151 | Lost Communication with Restraints Control Module |
| U0182 | Lost Communication with Lighting Control Module Front |
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Entry and Start System)
Tech Tips
DTC communication uses the CAN communication system.
| DTC Code | Detection Item |
|---|---|
| U0100 | Lost Communication With ECM/PCM "A" |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module |
HEADLIGHT LEVELING ECU ASSEMBLY (for LED Headlight)
| DTC Code | Detection Item |
|---|---|
| U0100 | Lost Communication with ECM/PCM "A" |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module |
| U1000* | CAN Communication Failure(Message Registry) |
*: Refer to Lighting System Click here.
BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU) (w/ ABS)
Tech Tips
DTC communication uses the CAN communication system.
| DTC Code | Detection Item |
|---|---|
| U0073 | Control Module Communication Bus OFF |
| U0100 | Lost Communication with ECM/PCM "A" |
| U0124 | Lost Communication With Lateral Acceleration Sensor Module |
| U0126 | Lost Communication With Steering Angle Sensor Module |
CENTER AIRBAG SENSOR ASSEMBLY (w/ Airbag System)
Tech Tips
The center airbag sensor assembly is connected to the CAN communication system, but CAN communication DTCs are not output.
SPIRAL CABLE SUB-ASSEMBLY (STEERING ANGLE SENSOR) (w/ VSC)
Tech Tips
The spiral cable sub-assembly (steering angle sensor) is connected to the CAN communication system, but CAN communication DTCs are not output.
DTC COMBINATION TABLE
○: Stored.
X: When one side of branch wire is open, storage may occur.
-: Not stored.
| Output from | Output DTC | Detection Item | Detected Communication Stop Mode | |||
|---|---|---|---|---|---|---|
| V1 Bus | ||||||
| ECM Communication Stop Mode | Air Conditioning Amplifier Communication Stop Mode | Combination Meter ECU Communication Stop Mode | Certification ECU Communication Stop Mode | |||
| Air conditioning amplifier assembly | B1499 | Communication Malfunction (Engine&Meter ECU) | ○ | ○ | ○ | X |
| Combination meter assembly | U0100 | Lost Communication with ECM/PCM "A" | ○ | X | ○ | X |
| U0129 | Lost Communication with Brake System Control Module | X | X | ○ | X | |
| U0151 | Lost Communication with Restraints Control Module | X | X | ○ | X | |
| U0182 | Lost Communication with Lighting Control Module Front | X | X | ○ | X | |
| Certification ECU (smart key ECU assembly) | U0100 | Lost Communication With ECM/PCM "A" | ○ | X | X | ○ |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | X | X | ○ | ○ | |
| Headlight leveling ECU assembly | U0100 | Lost Communication with ECM/PCM "A" | ○ | X | X | X |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | X | X | ○ | X | |
| Brake actuator assembly (skid control ECU) | U0073 | Control Module Communication Bus OFF | X | X | X | X |
| U0100 | Lost Communication with ECM/PCM "A" | ○ | X | X | X | |
| U0124 | Lost Communication With Lateral Acceleration Sensor Module | X | X | X | X | |
| U0126 | Lost Communication With Steering Angle Sensor Module | X | X | X | X | |
| Output from | Output DTC | Detection Item | Detected Communication Stop Mode | |||
|---|---|---|---|---|---|---|
| V1 Bus | ||||||
| AFS ECU Communication Stop Mode | Skid Control ECU Communication Stop Mode | Steering Angle Sensor Communication Stop Mode | Center Airbag Sensor Communication Stop Mode | |||
| Air conditioning amplifier assembly | B1499 | Communication Malfunction (Engine&Meter ECU) | X | X | X | X |
| Combination meter assembly | U0100 | Lost Communication with ECM/PCM "A" | X | X | X | X |
| U0129 | Lost Communication with Brake System Control Module | X | ○ | X | X | |
| U0151 | Lost Communication with Restraints Control Module | X | X | X | ○ | |
| U0182 | Lost Communication with Lighting Control Module Front | ○ | X | X | X | |
| Certification ECU (smart key ECU assembly) | U0100 | Lost Communication With ECM/PCM "A" | X | X | X | X |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | X | X | X | X | |
| Headlight leveling ECU assembly | U0100 | Lost Communication with ECM/PCM "A" | ○ | X | X | X |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | ○ | X | X | X | |
| Brake actuator assembly (skid control ECU) | U0073 | Control Module Communication Bus OFF | X | ○ | X | X |
| U0100 | Lost Communication with ECM/PCM "A" | X | ○ | X | X | |
| U0124 | Lost Communication With Lateral Acceleration Sensor Module | X | ○ | X | ○ | |
| U0126 | Lost Communication With Steering Angle Sensor Module | X | ○ | ○ | X | |