B2401

B2401 IGNITION POWER SUPPLY CIRCUIT





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait for at least 1 second.
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 FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse, [No. 4, located in fuse block (J/B)].
Is the inspection result normal?
YES - GO TO 2.
NO - Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic back door control unit connector.
3. Check voltage between automatic back door control unit harness connector and ground.





Is the measurement value normal?
YES - Check intermittent incident. Intermittent Incident.
NO - Repair or replace harness.