U0140
Description
Door request switch signal is transmitted to soft top control unit via communication line.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If two or more DTCs are detected, Related Tests, Information And Procedures, and determine trouble diagnosis order.
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
1.Start engine.
2.Operate soft top to fully open and fully close.
3.Select "Self Diagnostic Result" mode of "CONVERTIBLE ROOF" using CONSULT.
4.Check DTC.
Is DTC detected?
YES- Perform diagnosis procedure. .
NO- INSPECTION END
Diagnosis Procedure
1. CHECK COMMUNICATION LINE
1.Turn ignition switch OFF.
2.Disconnect soft top control unit and BCM connector.
3.Check continuity between soft top control unit harness connector and BCM harness connector.
4.Also check harness for short to ground and short to power.
Is the inspection result normal?
YES- Replace BCM. Removal And Installation.
NO- Repair or replace harness.