B2419

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.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK OPEN SWITCH SIGNAL

1.Select "AUTOMATIC BACK DOOR CONTROL UNIT" using CONSULT.
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. Refer to "Removal and Installation" 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

Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 6.
NO- Replace back door lock assembly.

6. CHECK INTERMITTENT INCIDENT

Refer to "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.