B2419

B2419 OPEN SWITCH





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check "Self Diagnostic Result" mode of "AUTOMATIC BACK DOOR CONTROL UNIT" using CONSULT-III.
Is DTC detected?
YES - SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK OPEN SWITCH SIGNAL
1. Select "AUTOMATIC BACK DOOR CONTROL UNIT" using CONSULT-III.
2. Select "OPEN SW" in "DATA MONITOR" mode.
3. Check that the function operates normally according to the following conditions.





Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 2.
2.CHECK AUTOMATIC BACK DOOR CONTROL MODULE OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect back door lock assembly connector.
3. Check voltage between back door lock assembly harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK OPEN SWITCH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector and back door lock assembly harness connector.





3. Check continuity between automatic back door control module harness connector and ground.





Is the inspection result normal?
YES - Replace automatic back door control module. Automatic Back Door Control Module.
NO - Repair or replace harness.
4.CHECK OPEN SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace harness.
5.CHECK OPEN SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 6.
NO - Replace back door lock assembly.
6.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection

COMPONENT INSPECTION
1.CHECK OPEN SWITCH
1. Turn ignition switch OFF.
2. Disconnect back door lock assembly connector.
3. Check continuity between back door lock assembly terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace back door lock assembly.