Component Inspection

Component Inspection

1. Ignition "OFF".
2. Disconnect ESC switch connector.
3. Press the ESC switch.
4. Measure resistance between terminal "3, 4" of the ESC switch component connector and terminal "4, 5" of the ESC switch component connector.
A. Specification : Approx. below 1 Ohms-ESC switch is depressed.
Approx. Infinity Ohms-ESC switch is not depressed.




5. Is the measured resistance within specifications?
YES
1) Fault is intermittent caused by poor connection in ESC switch line or was repaired and HECU memory was not cleared. 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.