RAS system
RAS system enters in the fail-safe mode (RAS system stopped) and RAS warning lamp turns ON if an error is detected in RAS system (RAS control unit) component part.
FAIL-SAFE CHART
| Mode | Warning lamp | DTC | Detected area (Error area) | Error area and root cause |
|---|---|---|---|---|
| Fail-safe | Turn-ON | C1900 C1901 C1905 C1906 C1907 C1908 C1922 C1925 C1927 C1928 |
RAS control unit | RAS control unit error |
| Turn-ON | C1902 C1903 C1904 C1910 C1913 |
RAS motor | RAS motor error | |
| Turn-ON | C1909 | RAS control unit | RAS control unit | |
| Turn-ON | C1911 C1912 |
RAS motor | RAS motor power supply error | |
| Turn-ON | C1914 | Rear wheel steering sensor | Rear wheel steering sensor power supply error | |
| Turn-ON | C1915 C1916 |
Rear wheel steering sensor | Rear wheel steering sensor output voltage error | |
| Turn-OFF | C1917 | Rear wheel steering sensor | Rear wheel steering sensor (main and sub) output signal value error signal | |
| Turn-ON | C1918 | Rear wheel steering sensor | Rear wheel steering sensor (main and sub) output signal error | |
| Turn-ON | C1919 | ABS actuator and electric unit (control unit) | Vehicle speed signal error | |
| Turn-ON | C1920 C1923 C1924 |
Steering angle sensor | Steering angle sensor input signal error | |
| Turn-ON | C1921 | ECM | Engine speed signal error | |
| Turn-ON | C1926 | Steering angle sensor | Steering angle sensor error | |
| Turn-ON | C1929 | ABS actuator and electric unit (control unit) | ABS actuator and electric unit (control unit) error | |
| Turn-ON | U1000 | CAN communication line | CAN communication error | |
| Turn-ON | U1010 | RAS control unit | RAS control unit |