Component Location
1. HECU
General Description
The ESP is a system to stabilize a car during understeer and oversteer events by supplying appropriate wheel with braking pressure according to signal of yaw & G sensor, SAS, WSS, pressure sensor.
DTC Description
Under normal conditions, the inlet valves of all four wheels are not closed during control for longer than 1.28s or If the controller requests pressure-hold or pressure-decrease for longer than 1.28s, a fault is detected.
The ABS/ESP warning lamp is turned ON and the EBD warning lamp is turned OFF.
DTC Detecting Condition
Item | Detecting Condition | Possible cause |
DTC Strategy | Signal monitoring
| Faulty HECU |
Monitoring Period | Continuous
|
Enable Conditions | If continuous operation of ESP control to one (or over) wheel is detected over 10s.
|
Fail Safe | The ABS/ESP functions are inhibited, allow the EBD control The ABS/ESP warning lamps are activated
|