Component Inspection

ABS/ESC
C1503 TCS/ESC(ESP) Switch error - Inspection/Repair:_:Component Inspection

Component Inspection

ESC switch Check
1. IG "OFF".
2. Disconnect the ESC switch connector.
3. Measure resistance between power terminal and siganl terminal of the ESC switch connector.
4. Measure waveform between signal terminal of the wheel speed sensor harness connector and chassis ground with osciloscope.

Specification :Approx. below 1Ohms - (In case of pressing the ESC switch)
Approx. Infinity Ohms - (In case of not pressing the ESC switch)




5. Is the measured value within specifications ?