Fail-Safe Function

DIAGNOSTIC FUNCTION

FAIL-SAFE FUNCTIONS

When a malfunction is determined by the diagnostic function, ASC-ECU illuminates the ABS warning light, ABS warning display, brake warning display, brake warning light *, ASC warning display, ASC warning light, and ASC OFF display. At the same time, ASC-ECU prohibits the ABS, EBD, stability control, and TCL control.
NOTE:
*: The brake warning light and brake warning display are used as the EBD control warning light.

Illumination condition of warning light and display in case of failure













NOTE:

- *1: Turns on when two or more wheels are faulty.
- *2: Stays on until the vehicle speed reaches 10 km/h when the ignition switch is turned to ON next time.
- *3: Does not illuminate when there is no effect to the EBD function.
- *4: Does not illuminate when there is no effect to the ABS function.
- *5: This DTC is not set with the vehicle speed of 12 mph (20 km/h) or less.
- *6: Only for vehicles with TC-SST

EBD, ABS, stability control, and TCL control status at failure













NOTE:

- *1: Prohibited when two or more wheels are faulty.
- *2: Not prohibited when the brake warning light is not illuminated.
- *3: Not prohibited when the ABS warning light is not illuminated.
- *4: This DTC is not set with the vehicle speed of 12 mph (20 km/h) or less.
- *5: Only for vehicles with TC-SST