Component Location
General Description

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.

DTC Description

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 there is no signal in the warning lamp and HECU inhibit the ESP control and allow the ABS/EBD control.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

● Short circuit monitoring

● Open or short TCS/ESP switch

Detect Mode

● Initial Check

● Outside the ABS control cycle

● Inside the ABS control cycle

● Diagnosis mode

● Failure mode

Enable Conditions

● When the TCS/ESP switch is ON for 60sec.

Fail Safe

● Inhibit the TCS/ESP control and allow the ABS/EBD control.

Meanwhile, stop checking the TCS/ESP switch failure under the TCS/ESP control.

● The TCS/ESP warning lamps are activated.

Schematic Diagram
note
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