3.
Read "DTC Status" parameter in DTC menu of the GDS.
Connect GDS and select "Diagnostic Trouble Codes(DTC)" mode.
Confirm that "DTC Readiness Flag" indicates "COMPLETED". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
Read "DTC Status" parameter in DTC menu of the GDS.
Is parameter displayed "History(Not Present) fault"?
 | ▶ Fault is caused by having been repaired and HECU memory was not cleared. Clear the DTC and then go to "Verification of Vehicle Repair" procedure. |
 | ▶ Go to next step. |
Connect GDS to Data Link Connector. (DLC)
IG "ON".
Press the ESP(ESC) switch.
Monitor the "ESP(ESC) Off Switch" parameter on the "Current Data" menu of the GDS.
Specification : State of switch should be on when you push the switch.
Fig.1) State of switch is on only when you push the switch.
Is parameter displayed within specifications?
| ▶ Fault is intermittent caused by poor connection in ESP(ESC) switch line. 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 next step. |
