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