OPERATION
AWD-ECU receives the data (such as ABS sensor signal, ABS operation signal) via the CAN bus lines. If it cannot receive such data, it interrupts the system.
DTC SET CONDITIONS
If the following conditions are met when the system is activated, AWD-ECU gradually switches the control from AWD to FWD, flashes the AWD/LOCK indicators alternately, and stores DTC U113C.
- IG1 voltage: 8 V or more
- ABS signal (such as wheel speed signal) cannot be received.
- DTC U0121 ASC CAN time-out is not detected.