4.
Read "DTC Status" parameter
Connect scan tool and select "Diagnostic Trouble Codes(DTCs)" mode
Press F4(DTAL) to select DTC information from the DTCs menu.
Confirm that "DTC Readiness Flag" indicates "Complete". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions
Read "DTC Status" parameter
Is parameter displayed "History(Not Present) fault"?
- History (Not Present) fault : DTC occurred but has been cleared.
- Present fault : DTC is occurring at present time.
YES
▶ Fault is intermittent caused by poor contact in the sensor’s and/or the ECM’s connector, which was repaired but ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure
NO
▶ Go to "Monitor Scan tool Data" procedure.
With vehicle raised on a lift , start the engine and place transaxle in Drive. Let vehicle idle and verify speedometer indicates approx. 10km/h or more(6mph or more) on the instrument cluster.
Connect Scantool and select ABS/ESP system.
Monitor the "WHEEL SPD SENSOR-FR" parameter on the current data list.
Specification : 10km/h or more(6mph or more)
Is value within the specification?
YES
▶ Wheel speed sensor is OK. Go to Go to "Signal Circuit Inspection[With ABS]" procedure
NO
▶ Check for open or short circuit between wheel speed sensor(FR) and ABS/ESP control module .
If problems are found, repair as necessary and go to "Verification of Vehicle Repair" procedure:
If OK, Check wheel speed sensor(FR) as follow:
-Gap between wheel speed sensor and trigger wheel (Air gap : 0.3~1.1 mm(0.011 ~ 0.043 in))
-Trigger wheel condition
-Sensor resistance : Approx. 1,300~1,500Ω at 20℃(68℉)
▶ Replace wheel speed sensor as necessary and go to "Verification of Vehicle Repair" procedure.
