Scantool Diagnostics

Power Tailgate
B2421 Drive Motor Short High - Scantool Diagnostics:_:Monitor Scantool Data

Monitor Scantool Data

1. Connect scantool to Data Link Connector(DLC).
2. Ignition "ON" & engine "OFF" & PTG "ON" & gate not in motion
3. Monitor the " Door/Gate Close Feedback" and "Door/Gate Open Feedback" Parameter on the Scantool.
A. Specification : 'Door/Gate Open Feedback' 'Door/Gate Close Feedback' -> 1 - 9V












Fig1) NOT OPERATING "PTG"
Fig2) OPERATING "PTG"
Fig3) DTC B2421
4. Is the measured current data within specifications?
YES
1) Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. 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.
NO
1) Go to "Inspection & Repair" procedure.