Nissan Quest E52. Instruction — part 376
DLK-218
< DTC/CIRCUIT DIAGNOSIS >
B2420 CLOSE SWITCH
B2420 CLOSE SWITCH
DTC Logic
INFOID:0000000009649116
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 “AUTO BACK DOOR” using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-218, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009649117
1.
CHECK AUTOMATIC BACK DOOR CONTROL MODULE OUTPUT SIGNAL
1.
Turn ignition switch OFF.
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 3.
NO
>> GO TO 2.
2.
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-495, "Removal and Installation"
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2420
CLOSE SW
When the automatic back door control unit detects
any of the following condition
• The change of close switch cannot be detected
for 3 second or more after starting the closure
close output for the 3rd time in a row
• Close switch
• Harness or connectors
(Close switch circuit is open or
shorted)
• Automatic back door control mod-
ule
(+)
(–)
Voltage
Back door lock assembly
Connector
Terminal
D190
5
Ground
9 - 16 V
Automatic back door control module
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
20
D190
5
Existed
Automatic back door control module
Ground
Continuity
Connector
Terminal
B8
20
Not existed
B2420 CLOSE SWITCH
DLK-219
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
NO
>> Repair or replace harness.
3.
CHECK CLOSE SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK CLOSE SWITCH
DLK-219, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace back door lock assembly.
5.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009649118
1.
CHECK CLOSE 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.
Back door lock assembly
Ground
Continuity
Connector
Terminal
D190
8
Existed
Back door lock assembly
Condition
Continuity
Terminal
5
8
Back door
Fully closed
Existed
Open/Half latch
Not existed
DLK-220
< DTC/CIRCUIT DIAGNOSIS >
B2421 CLUTCH OPERATION TIME
B2421 CLUTCH OPERATION TIME
DTC Logic
INFOID:0000000009649119
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self Diagnostic Result” mode of “AUTO BACK DOOR” using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-220, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009649120
1.
CHECK AUTOMATIC BACK DOOR CONTROL MODULE POWER SUPPLY AND GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check automatic back door control module power supply and ground circuit.
Refer to
DLK-238, "AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> Replace automatic back door control module. Refer to
DLK-495, "Removal and Installation"
.
NO
>> Repair or replace the malfunctioning parts.
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2421
CLUTCH TIME OUT
When the automatic back door control unit detects
the power distribution to the clutch for 2 minutes or
more
• Automatic back door control mod-
ule
• Battery voltage (low voltage)
B2422 BACK DOOR STATE
DLK-221
< 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:0000000009649121
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 “AUTO BACK DOOR” using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-221, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009649122
1.
REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
When DTC [B2422] is detected, replace automatic back door control module.
>> Replace automatic back door control module. Refer to
DLK-495, "Removal and Installation"
.
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2422
BACK DOOR STATE
When the automatic back door control unit detects
back door position malfunction according to the
pulse signal
• Back door mechanism
• Automatic back door control mod-
ule
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