Nissan Quest E52. Manual - part 365
DLK-174
< DTC/CIRCUIT DIAGNOSIS >
B2401 IGNITION POWER SUPPLY CIRCUIT
B2401 IGNITION POWER SUPPLY CIRCUIT
AUTOMATIC BACK DOOR CONTROL MODULE
AUTOMATIC BACK DOOR CONTROL MODULE : DTC Logic
INFOID:0000000009649060
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 “AUTO BACK DOOR” using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-174, "AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure"
.
NO
>> INSPECTION END
AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure
INFOID:0000000009649061
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10 A fuse, [No. 3, 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 module connector.
3.
Check voltage between automatic back door control module harness connector and ground.
Is the measurement value normal?
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Repair or replace harness.
SLIDING DOOR LH
SLIDING DOOR LH : DTC Logic
INFOID:0000000009649062
DTC DETECTION LOGIC
DTC
CONSULT 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
Voltage
Automatic back door control module
Connector
Terminal
B8
7
Ground
Ignition switch
ON
9 - 16 V