The skid control ECU (brake actuator assembly) communicates with the following ECUs and sensors via CAN communication.
ECM
TCM (ECM)
Yaw rate and acceleration sensor (airbag sensor with ECU assembly)
Steering angle sensor
Power steering ECU with motor assembly
Main body ECU (multiplex network body ECU)
Airbag sensor with ECU assembly
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U007488 | Control Module Communication Bus "B" Off Bus Off | The +BS terminal voltage is between 9.6 and a 16.5 V and a bus OFF state occurs for 0.1 seconds or more. | CAN communication system |
| U010087 | Lost Communication with ECM/PCM "A" Missing Message | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals cannot be sent to the ECM for 2 seconds or more. | ·
CAN communication system ·
ECM ·
Skid control ECU (brake actuator assembly) |
| U010187 | Lost Communication with TCM Missing Message | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals cannot be sent to the TCM (ECM) for 2 seconds or more. | ·
CAN communication system ·
TCM (ECM) ·
Skid control ECU (brake actuator assembly) |
| U012587 | Lost Communication With Multi-axis Acceleration Sensor Module Missing Message | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the yaw rate and acceleration sensor (airbag sensor with ECU assembly) cannot be received for 1 second or more. | ·
CAN communication system ·
Yaw rate and acceleration sensor (airbag sensor with ECU assembly) ·
Skid control ECU (brake actuator assembly) |
| U012687 | Lost Communication with Steering Angle Sensor Module Missing Message | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the steering angle sensor cannot be received for 1 second or more. | ·
CAN communication system ·
Steering angle sensor ·
Skid control ECU (brake actuator assembly) |
| U013187 | Lost Communication With Power Steering Control Module Missing Message | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the power steering ECU with motor assembly cannot be received for 2 seconds or more. | ·
CAN communication system ·
Power steering ECU with motor assembly ·
Skid control ECU (brake actuator assembly) |
| U014087 | Lost Communication with Body Control Module Missing Message | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, data cannot be received from main body ECU (multiplex network body ECU) continuously for 2 seconds or more. | ·
CAN communication system ·
Main body ECU (multiplex network body ECU) ·
Skid control ECU (brake actuator assembly) |
| U015187 | Lost Communication with Restraints Control Module Missing Message | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the airbag sensor with ECU assembly cannot be received for 5 seconds or more. | ·
CAN communication system ·
Airbag sensor with ECU assembly ·
Skid control ECU (brake actuator assembly) |
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Operate the GTS to clear the codes. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.
Press the DTC clear button.
Turn the ignition switch off.
Turn the ignition switch to ON.
Enter the following menus: System Select / Health Check.
Check for DTCs.
| Result | Proceed to |
|---|---|
| DTCs for related systems are output together with DTC U007488, U010087, U010187, U012587, U012687, U013187, U014087 or U015187. | A |
| U007488, U010087, U010187, U012587, U012687, U013187, U014087 or U015187 is output. | B |
| DTCs are not output. | C |
A
B
C