IG "OFF".
Disconnect the ESC(ESP) switch connector.
Measure resistance between power terminal and siganl terminal of the ESC(ESP) switch connector.
Specification : Approx. below 1Ω - (In case of pressing the ESC(ESP) switch)
Approx. ∞ Ω - (In case of not pressing the ESC(ESP) switch)
Is the measured resistance within specifications?
![]() | ▶ Fault is intermittent caused by poor connection in ESC(ESP) switch harness and/or HECU's connector. Go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Substitute with a known-good ESC(ESP) switch and check for proper operation. If problem is corrected, replace ESC(ESP) switch and then go to "Verification of Vehicle Repair" procedure. |