B2401

B2401 IGNITION POWER SUPPLY CIRCUIT





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Operate automatic back door.
3. 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 BCM OUTPUT SIGNAL
1. Select "IPDM E/R" using CONSULT-III.
2. Select "IGN RLY1-REQ" in "DATA MONITOR" mode.
3. Check that the function operates normally according to the following conditions.





Is the inspection result normal?
YES - Replace automatic back door control unit.
NO - Replace BCM. Removal And Installation.