Nissan Quest E52. Instruction — part 368
DLK-186
< DTC/CIRCUIT DIAGNOSIS >
B2403 ENCODER
2.
Check continuity between sliding door control unit RH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK ENCODER CIRCUIT 3
1.
Connect sliding door control unit RH connector and automatic sliding door unit RH connector.
2.
Check voltage between sliding door control unit RH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace sliding door control unit RH. Refer to
DLK-500, "RH : Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
>> INSPECTION END
Sliding door control unit RH
Automatic sliding door unit RH
Continuity
Connector
Terminal
Connector
Terminal
B247
26
B244
8
Existed
Sliding door control unit RH
Ground
Continuity
Connector
Terminal
B247
26
Not existed
(+)
(–)
Voltage
Sliding door control unit RH
Connector
Terminal
B247
26
Ground
0 V
B2405 SLIDING DOOR CONTROL UNIT
DLK-187
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
B2405 SLIDING DOOR CONTROL UNIT
SLIDING DOOR LH
SLIDING DOOR LH : DTC Logic
INFOID:0000000009649078
DTC DETECTION LOGIC
SLIDING DOOR LH : Diagnosis Procedure
INFOID:0000000009649079
1.
REPLACE SLIDING DOOR CONTROL UNIT
When DTC [B2405] is detected, replace sliding door control unit LH.
>> Replace sliding door control unit. Refer to
DLK-500, "LH : Removal and Installation"
.
SLIDING DOOR RH
SLIDING DOOR RH : DTC Logic
INFOID:0000000009649080
DTC DETECTION LOGIC
SLIDING DOOR RH : Diagnosis Procedure
INFOID:0000000009649081
1.
REPLACE SLIDING DOOR CONTROL UNIT
When DTC [B2405] is detected, replace sliding door control unit RH.
>> Replace sliding door control unit. Refer to
DLK-500, "RH : Removal and Installation"
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2405
ECU FAIL
Sliding door control unit detected CPU malfunction
Sliding door control unit
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2405
ECU FAIL
Sliding door control unit detected CPU malfunction
Sliding door control unit
DLK-188
< DTC/CIRCUIT DIAGNOSIS >
B2409 HALF LATCH SWITCH
B2409 HALF LATCH SWITCH
AUTOMATIC BACK DOOR CONTROL MODULE
AUTOMATIC BACK DOOR CONTROL MODULE : DTC Logic
INFOID:0000000009649082
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Operate automatic back door function.
3.
Check “Self Diagnostic Result” mode of “AUTO BACK DOOR” using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-188, "AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure"
.
NO
>> INSPECTION END
AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure
INFOID:0000000009649083
1.
CHECK HALF LATCH SWITCH SIGNAL
1.
Select “AUTO BACK DOOR” using CONSULT.
2.
Select “HALF LATCH 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 6.
NO
>> GO TO 2.
2.
CHECK HALF LATCH INPUT 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 4.
NO
>> GO TO 3.
3.
CHECK HALF LATCH 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.
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2409
HALF LATCH SW
When the automatic back door control unit can not
detects the half latch switch ON condition even
when the back door is in the open position
• Half latch switch
• Harness or connectors
(Half latch switch circuit is open)
• Automatic back door control mod-
ule
Monitor item
Condition
Status
HALF LATCH SW
Back door
Fully closed/Half latch
OFF
Open
ON
(+)
(–)
Voltage
Back door lock assembly
Connector
Terminal
D190
6
Ground
9 - 16 V
B2409 HALF LATCH SWITCH
DLK-189
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
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"
.
NO
>> Repair or replace harness.
4.
CHECK HALF LATCH SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace back door lock assembly ground circuit.
5.
CHECK HALF LATCH SWITCH
DLK-189, "AUTOMATIC BACK DOOR CONTROL MODULE : Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace back door lock assembly.
6.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
.
>> INSPECTION END
AUTOMATIC BACK DOOR CONTROL MODULE : Component Inspection
INFOID:0000000009649084
1.
CHECK HALF LATCH SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect back door lock assembly connector.
3.
Check continuity between back door lock assembly terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door lock assembly.
SLIDING DOOR LH
SLIDING DOOR LH : DTC Logic
INFOID:0000000009649085
DTC DETECTION LOGIC
Automatic back door control module
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
22
D190
6
Existed
Automatic back door control module
Ground
Continuity
Connector
Terminal
B8
22
Not existed
Back door lock assembly
Ground
Continuity
Connector
Terminal
D190
8
Existed
Back door lock assembly
Condition
Continuity
Terminal
6
8
Back door lock
Open
Existed
Fully closed/Half latch
Not existed
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