Driver can inhibit the ESP control by ESP switch.
When switch signal send into HECU, ESP warning lamp go ON and ESP control is stopped and if next switch signal is inputted again, ESP control is ready. This function is used for sporty driving or vehicle inspection.
Trouble code is set when the condition that the level of ESP switch is high is continued for 60sec.
When the ESP switch failure is set, Warning lamps won't illuminate and HECU allow the ABS/EBD/ESP control.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Circuit Monitoring |
•
Open or short ESP switch circuit
•
Faulty ESP switch |
Enable Conditions |
•
When the ESP switch is ON for 1 minute. | |
Fail Safe |
•
Inhibit the ESP control and allow the ABS/EBD control.
•
The ESP warning lamp is activated. |
Engine ON | ESP switch HIGH | ESP switch LOW |
7.0V ~ 16.0V | 0V ~ 3.0V |
