4.
Monitor the "ESP SWITCH" parameter on the scantool.
Specification : It is changed to ON/OFF.
Fig 1) Test Condition : Ignition "ON" & Engine "OFF"
Normal Data
Connect scantool to Data Link Connector(DLC)
Ignition "ON" & Engine "OFF".
Press the ESP SWITCH.
Monitor the "ESP SWITCH" parameter on the scantool.
Specification : It is changed to ON/OFF.
Fig 1) Test Condition : Ignition "ON" & Engine "OFF"
Normal Data
Whenever the switch is pushed up/down, is the esp off switch's scantool data changed ON/OFF?
 | ▶ Fault is intermittent caused by poor connection in ESP switch harness and/or HECU's connector or was repaired and HECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure. |
 | ▶ Go to "Terminal and Connector Inspection" procedure. |
