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 ECU assembly)
Steering sensor
Power steering ECU assembly
Airbag 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 ECU assembly) cannot be received for 1 second or more. | ·
CAN communication system ·
Yaw rate and acceleration sensor (airbag 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 sensor cannot be received for 1 second or more. | ·
CAN communication system ·
Steering 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 assembly cannot be received for 2 second or more. | ·
CAN communication system ·
Power steering ECU assembly ·
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 ECU assembly cannot be received for 5 seconds or more. | ·
CAN communication system ·
Airbag ECU assembly ·
Skid control ECU (brake actuator assembly) |
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Operate the GTS to clear the codes. Enter the following menus: Chassis / Brake / 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 or U015187. | A |
| U007488, U010087, U010187, U012587, U012687, U013187 or U015187 is output. | B |
| DTCs are not output. | C |
A
B
C