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DLK-190 < DTC/CIRCUIT DIAGNOSIS > B2409 HALF LATCH SWITCH DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Check “Self Diagnostic Result” mode of “AUTO SLIDE DOOR” using CONSULT. Is DTC detected? YES >> Refer to DLK-190, "SLIDING DOOR LH : Diagnosis Procedure" NO >> INSPECTION END SLIDING DOOR LH : Diagnosis Procedure INFOID:0000000009649086 1. CHECK HALF LATCH SWITCH INPUT SIGNAL 1. Turn ignition switch OFF. 2. Disconnect sliding door lock assembly LH connector. 3. Check voltage between sliding door lock assembly LH harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK HALF LATCH SWITCH CIRCUIT 1. Disconnect sliding door control unit LH connector. 2. Check continuity between sliding door control unit LH harness connector and sliding door lock assembly 3. Check continuity between sliding door control unit LH harness connector and ground. Is the inspection result normal? YES >> Replace sliding door control unit LH. Refer to DLK-500, "LH : Removal and Installation" NO >> Repair or replace harness. 3. CHECK HALF LATCH SWITCH GROUND CIRCUIT 1. Disconnect sliding door control unit LH connector. 2. Check continuity between sliding door control unit LH harness connector and sliding door lock assembly DTC CONSULT display description DTC detecting condition Possible cause B2409 HALF LATCH SW When the sliding door control unit cannot detects • Half latch switch (Half latch switch circuit is open) • Sliding door control unit (+) (–) Voltage Sliding door lock assembly LH Connector Terminal D123 3 Ground 8 – 16 V Sliding door control unit LH Sliding door lock assembly LH Continuity Connector Terminal Connector Terminal B45 5 D123 3 Existed Sliding door control unit LH Ground Continuity Connector Terminal B45 5 Not existed |