Component Inspection

Component Inspection

ESC switch Check
1. Ignition "ON" & Engine "OFF".
2. Disconnect the ESC switch connector.
3. Measure resistance between power terminal and signal terminal of the ESC switch connector.
A. Specification : Approx. below 1 Ohm (In case of pressing the ESC switch)
Approx. Infinity Ohms (In case of not pressing the ESC switch)




4. Is the measured value within specifications ?
YES
1) Fault is intermittent caused by poor connection in ESC switch harness and/or HECU's connector.
Go to "Verification of Vehicle Repair" procedure.
NO
1) Substitute with a known-good ESC switch and check for proper operation.
If problem is corrected, replace ESC switch and then go to "Verification of Vehicle Repair" procedure.