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DOOR & LOCK SYSTEMDLK-59
< WIRING DIAGRAM >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
JCKWM4438GB
Revision: 2010 May2011 QX56
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DLK-60
< WIRING DIAGRAM >
DOOR & LOCK SYSTEM
JCKWM4439GB
Revision: 2010 May2011 QX56
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DOOR & LOCK SYSTEMDLK-61
< WIRING DIAGRAM >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
JCKWM4440GB
Revision: 2010 May2011 QX56
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DLK-62
< WIRING DIAGRAM >
DOOR & LOCK SYSTEM
JCKWM4441GB
Revision: 2010 May2011 QX56
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DOOR & LOCK SYSTEMDLK-63
< WIRING DIAGRAM >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
JCKWM4442GB
Revision: 2010 May2011 QX56
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DLK-64
< WIRING DIAGRAM >
DOOR & LOCK SYSTEM
JCKWM4443GB
Revision: 2010 May2011 QX56
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DOOR & LOCK SYSTEMDLK-65
< WIRING DIAGRAM >
C
DE
F
G H
I
J
L
M A
B
DLK
N
O P
JCKWM4444GB
Revision: 2010 May2011 QX56
Page 1620 of 5598
DLK-84
< DTC/CIRCUIT DIAGNOSIS >
B2401 IGNITION POWER SUPPLY CIRCUIT
B2401 IGNITION POWER SUPPLY CIRCUIT
DTC LogicINFOID:0000000006225878
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 “AUTOMAT IC BACK DOOR CONTROL UNIT” using CONSULT-
III.
Is DTC detected?
YES >> Refer to DLK-84, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006225879
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. Refer to GI-40, "Intermittent Incident".
NO >> Repair or replace harness.
DTC CONSULT-III display
description DTC detecting condition Possible cause
B2401 IGN OPEN When the automatic back door control unit detects
the following condition for 0.3 second or more
Power supply condition (OFF) of automatic back
door control unit and Ignition position signal (ON)
from BCM via CAN Fuse
Harness or connectors
(Ignition power supply condition
circuit is open or shorted)
(+)
(− ) Condition Vo l ta g e
(Approx.)
Automatic back door control unit
Connector Terminal
B26 9 Ground Ignition switch ON Battery voltage
OFF 0 V
Revision: 2010 May2011 QX56
