Kia 2004.5 Spectra Service Technical Training page 189

2004.5 Spectra Technology
WSS FAILSAFE
Sensor Failure Outside the
ABS Control Cycle
Sensor Failure Inside the ABS
Control Cycle
Brakes
1. Only one wheel failure
• Only the ABS is inhibited
• The ABS warning lamp is activated and the EBD
warning lamp is not activated.
2. More than two wheels failure
• Systems down.
• Both the ABS and EBD function are inhibited and
ABS and EBD warning lamps are activated
• In this failure, the valve relay and all solenoids
are prevented from being switched on.
1. One front wheel failure
• Inhibit the ABS control of the failed-wheel and
maintain the ABS control of normal wheels
• After the controller completes the ABS control,
the ABS function is inhibited. The ABS warning
lamp is activated and the EBD warning lamp is
not activated.
2. One rear wheel failure
• Inhibit ABS control of both front wheels and the
pressure of both rear wheels is decreased
• After the controller completes the ABS control,
only the ABS function is inhibited
• The ABS warning lamp is activated and the EBD
warning lamp is not activated.
3. More than two wheels failure
• System down
• Both the ABS and the EBD functions are inhibited
• EBD warning lamps are activated
• In this failure, the valve relay and all solenoids
are prevented from being switched on.
19