3.
Monitor the "VSS and RPM" parameters on the scantool.
(Check the data of EPS with ECM system and confirm output values related to CAN communication.)
Fig.1) Engine "ON"
Connect scantool to Data Link Connector(DLC)
Engine start and drive the vehicle on the road.
Monitor the "VSS and RPM" parameters on the scantool.
(Check the data of EPS with ECM system and confirm output values related to CAN communication.)
Fig.1) Engine "ON"
Is parameter displayed within specifications?
 | ▶ Fault is intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and EPS ECU memory is not cleared yet. Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage. ▶ Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure. |
 | ▶ Go to next procedure. |
