IG OFF.
Disconnect the ESP switch connector.
Measure resistance between power terminal and siganl terminal of the ESP switch connector.
Specification: Approx. ∞ Ω
Is the measured resistance within specifications?
![]() | ▶ Fault is intermittent caused by poor connection in ESP 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. |