Monitor Scantool Data

Monitor Scantool Data

1. Connect scantool to Data Link Connector (DLC)
2. Engine "ON".
3. Start and drive vehicle in gear and maintain vehicle speed is approx. 40 km/h or more (24 mph or more)
4. Monitor the "FR WSS" parameter on the Scantool.
A. Specification : Approx. 40 km/h or more (24 mph or more)








5. Is parameter displayed within specifications?
YES
1) Fault is intermittent caused by faulty HECU, wheel speed sensor or external noise, was repaired and HECU memory was not cleared. Go to "component Inspection" procedure.
NO
1) Check for improper installation of wheel speed sensor. If NG, repair as necessary and then go to "Verification of vehicle Repair" procedure.
2) Check for damage of rotor teeth or wheel bearing. If NG, repair as necessary and then go to "Verification of vehicle Repair" procedure.
3) Substitute with a known-good Wheel speed sensor and check for proper operation. If problem is corrected, replace Wheel speed sensor and then go to "Verification of Vehicle Repair" procedure.
4) If OK, Go to "Component Inspection" Procedure.