P0720

DTC P0720/DTC NO.31 OUTPUT SPEED SESOR (VSS) CIRCUIT MALFUNCTION





WIRING DIAGRAM





DTC DETECTING CONDITION AND TROUBLE AREA





Connect oscilloscope between terminals E25-4 (+) and E25-16 (-) of TCM connector connected to TCM and check VSS signal.

DTC CONFIRMATION PROCEDURE

WARNING:
- When performing a road teat, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
- Road test should be carried out with 2 persona, a driver and a tester.

1. Turn ignition switch OFF.
2. Clear DTC stored in TCM and ECM.
3. Drive vehicle at 20 mph, 30 km/h or more for longer than 30 sec.
4. Stop vehicle.
5. Check DTC and pending DTC.





TROUBLESHOOTING (DTC P0720/DTC NO. 31)