BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for HEV Model) DIAGNOSIS SYSTEM
ABS, VSC, BRAKE HOLD, ELECTRONICALLY CONTROLLED BRAKE SYSTEM DTC
If the skid control ECU detects a malfunction, the ABS warning light, brake system warning light (red indicator), brake system warning light (yellow indicator) and slip indicator light will come on in order to warn the driver. Also, if the vehicle is under the following conditions and the brake hold switch (electric parking brake switch assembly) is turned on, the brake hold operated indicator light blinks.
Vehicle Conditions:
The driver door is closed.
The driver seat belt is fastened.
DTC FOR RELATED SYSTEM MALFUNCTION
When the skid control ECU detects DTCs stored by related systems, it stores DTCs to indicate the malfunctioning system.
| Malfunctioning System | Output DTC | DTC Storage | System/Control Condition |
|---|---|---|---|
| Hybrid control system | DTC U029387
DTC U115087 |
Current and history DTCs are cleared when the system returns to normal. | ·
VSC system is disabled ·
Brake hold control operation is prohibited |
| Airbag system | DTC U015187 | Current DTCs are cleared when the system returns to normal. | Secondary collision brake control operation is prohibited |
- HINT:
-
The above DTCs may be stored in the skid control ECU even if it was never stored as a history DTC or cleared in the system that caused the DTC to be stored.
CHINA NATIONWIDE STAGE 6
When troubleshooting OBD II (On-Board Diagnostics) vehicles, the vehicle must be connected to the scan tool (complying with ISO 15765-4 (which also satisfies SAE J1978)). Various data in the vehicle's computer can then be read.
China Nationwide Stage 6 regulations require that the vehicle's on-board computer store an SAE code and illuminate the Malfunction Indicator Lamp (MIL) on the instrument panel when the computer detects a malfunction.