Nissan Pathfinder. Manual — part 341
DLK-130
< DTC/CIRCUIT DIAGNOSIS >
B2420 CLOSE SWITCH
B2420 CLOSE SWITCH
DTC Logic
INFOID:0000000009175670
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check Self-Diagnostic Result mode of AUTOMATIC BACK DOOR CONTROL MODULE using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-130, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009175671
Regarding Wiring Diagram information, refer to
.
1.
CHECK FOR FOREIGN MATERIALS IN BACK DOOR LOCK ASSEMBLY
Check for entry of foreign materials in back door lock assembly.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Remove foreign materials.
2.
CHECK BACK DOOR OPEN/CLOSE OPERATION
Manually check open and close operation of back door.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK CLOSE SWITCH SIGNAL
1. Select AUTOMATIC BACK DOOR CONTROL MODULE using CONSULT.
2. Select CLOSE SW in DATA MONITOR mode.
3. Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 4.
4.
CHECK CLOSE SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2420
CLOSE SW
Automatic back door control module detects a mal-
function of close switch during automatic operation
of back door.
• Entry of foreign materials to back
door lock assembly
• Back door mechanism
• Automatic back door control mod-
ule
• Close switch
• Harness or connectors
Monitor item
Condition
Status
CLOSE SW
Back door
Open/Half latch
OFF
Fully closed
ON
B2420 CLOSE SWITCH
DLK-131
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
2. Disconnect back door lock assembly connector.
3. Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK CLOSE SWITCH CIRCUIT
1. Disconnect automatic back door control module connector.
2. Check continuity between automatic back door control module harness connector and back door lock
assembly harness connector.
3. Check continuity between automatic back door control module harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control module. Refer to
DLK-321, "Removal and Installation"
.
NO
>> Repair or replace harness.
6.
CHECK CLOSE SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK CLOSE SWITCH
DLK-120, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace back door lock assembly. Refer to
DLK-308, "DOOR LOCK : Removal and Installation"
8.
CHECK INTERMITTENT INCIDENT
GI-49, "Intermittent Incident"
.
>> Inspection End.
Component Inspection
INFOID:0000000009175672
COMPONENT INSPECTION
(+)
(–)
Voltage
(Approx.)
Back door lock assembly
Connector
Terminal
D557
5
Ground
Battery voltage
Automatic back door control module
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B55
5
D557
5
Yes
Automatic back door control module
Ground
Continuity
Connector
Terminal
B55
5
No
Back door lock assembly
Ground
Continuity
Connector
Terminal
D557
8
Yes
DLK-132
< DTC/CIRCUIT DIAGNOSIS >
B2420 CLOSE SWITCH
1.
CHECK SWITCH
1. Turn ignition switch OFF.
2. Disconnect back door lock assembly.
3. Check continuity between back door lock assembly terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace back door lock assembly. Refer to
DLK-308, "DOOR LOCK : Removal and Installation"
Back door lock assembly
Condition
Continuity
Terminal
4
8
Back door lock
Open
Yes
Fully closed/Half latch
No
5
Fully close
Yes
Open/Half latch
No
6
Open
Yes
Fully closed/Half latch
No
7
Back door
switch
On
Yes
Off
No
B2422 BACK DOOR STATE
DLK-133
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
B2422 BACK DOOR STATE
DTC Logic
INFOID:0000000009175673
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 MODULE” using CON-
SULT.
Is DTC detected?
YES
>> Refer to
DLK-133, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009175674
Regarding Wiring Diagram information, refer to
.
1.
CALIBRATION OF AUTOMATIC BACK DOOR POSITION INFORMATION
1. Perform initialization setting of automatic back door position information.
2. Erase DTC, and then repeat “PERFORM DTC CONFIRMATION PROCEDURE”.
Is DTC detected?
YES
>> GO TO 2.
NO
>> Inspection End.
2.
CHECK INSTALLATION OF BACK DOOR ASSEMBLY
1. Check that back door assembly is installed normally.
DLK-294, "BACK DOOR ASSEMBLY : Adjustment"
2. Check back door assembly mechanism deformation, looseness, rattle, interference with other parts and
pinched foreign materials.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK ENCODER SIGNAL
1. Select “AUTOMATIC BACK DOOR CONTROL MODULE” using CONSULT.
2. Select “SPINDLE SENSOR LH” and “SPINDLE SENSOR RH” in “DATA MONITOR” mode.
3. Check that the function operates normally according to the following conditions.
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2422
BACK DOOR STATE
When the automatic back door control module de-
tects back door position malfunction according to
the pulse signal.
• Improper installation of back door
assembly
• [CALIBRATION OF AUTOMATIC
BACK DOOR POSITION INFOR-
MATION]: not complete
• Back door mechanism
• Encoder
• Automatic back door control mod-
ule
• Harness or connectors
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