Nissan Note E12. Instruction — part 143
DLK-76
< DTC/CIRCUIT DIAGNOSIS >
BACK DOOR LOCK ACTUATOR RELAY
1. Disconnect BCM connector.
2. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-67, "Removal and Installation"
NO
>> GO TO 5.
5.
CHECK BACK DOOR LOCK ACTUATOR RELAY CIRCUIT 2
1. Remove back door lock actuator relay.
2. Check continuity between BCM harness connector and back door lock actuator relay harness connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace back door lock actuator relay.
NO
>> Repair or replace harness.
6.
CHECK BACK DOOR LOCK ACTUATOR RELAY GROUND CIRCUIT
Check continuity between back door lock actuator relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK BACK DOOR LOCK ACTUATOR RELAY
Check back door lock actuator relay.Refer to
DLK-76, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace back door lock actuator relay.
8.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
GI-41, "Intermittent Incident"
>> Inspection End.
Component Inspection
INFOID:0000000009520001
1.
CHECK BACK DOOR LOCK ACTUATOR RELAY
1. Turn ignition switch OFF.
2. Remove back door lock actuator relay.
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M100
50
Ground
Battery voltage
Back door lock actuator relay
BCM
Continuity
Connector
Terminal
Connector
Terminal
M41
2
M100
50
Yes
Back door lock actuator relay
Ground
Continuity
Connector
Terminal
M41
2
No
Back door lock actuator relay
Ground
Continuity
Connector
Terminal
M41
4
Yes
BACK DOOR LOCK ACTUATOR RELAY
DLK-77
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3. Check continuity between back door lock actuator relay terminals.
Is the inspection result normal?
YES
>> Inspection End
NO
>> Replace back door lock actuator relay.
Back door lock actua-
tor relay
Condition
Continuity
Terminal
3
4
12 V direct current supply between termi-
nals 1 and 2
No
No current supply
Yes
5
12 V direct current supply between termi-
nals 1 and 2
Yes
No current supply
No
DLK-78
< DTC/CIRCUIT DIAGNOSIS >
DOOR LOCK AND UNLOCK SWITCH
DOOR LOCK AND UNLOCK SWITCH
Component Function Check
INFOID:0000000009515857
1.
CHECK FUNCTION
1. Select DOOR LOCK of BCM using CONSULT.
2. Select CDL LOCK SW, CDL UNLOCK SW in DATA MONITOR mode.
3. Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Main power window and door lock/unlock switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009515858
Regarding Wiring Diagram information, refer to
DLK-28, "POWER DOOR LOCK SYSTEM : Wiring Diagram"
.
1.
CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch connector.
3. Check signal between main power window and door lock/unlock switch harness connector and ground
using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK DOOR LOCK AND UNLOCK SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and main power window and door lock/unlock switch
harness connector.
3. Check continuity between BCM harness connector and ground.
Monitor item
Condition
Status
CDL LOCK SW
Main power window and door
lock/unlock switch
LOCK
ON
UNLOCK
OFF
CDL UNLOCK SW
LOCK
OFF
UNLOCK
ON
(+)
(–)
Signal
(Reference value)
Main power window and door lock/unlock switch
Connector
Terminal
D7
6
Ground
1.0 - 1.5 V
D8
18
JPMIA0012GB
BCM
Main power window and door lock/unlock switch
Continuity
Connector
Terminal
Connector
Terminal
M18
12
D8
18
Yes
13
D7
6
DOOR LOCK AND UNLOCK SWITCH
DLK-79
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-67, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK DOOR LOCK AND UNLOCK SWITCH GROUND
Check continuity between main power window and door lock/unlock switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK DOOR LOCK AND UNLOCK SWITCH
DLK-79, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
5.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
>> Inspection End.
Component Inspection
INFOID:0000000009515859
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch connector.
3. Check continuity between main power window and door lock/unlock switch terminals.
Is the inspection result normal?
YES
>> Inspection End
NO
>> Replace main power window and door lock/unlock switch. Refer to
.
BCM
Ground
Continuity
Connector
Terminal
M18
12
No
13
Main power window and door lock/unlock switch
Ground
Continuity
Connector
Terminal
D8
17
Yes
Main power window and door lock/unlock switch
Condition
Continuity
Terminal
6
17
Main power window
and door lock/ unlock
switch
LOCK
No
UNLOCK
Yes
18
LOCK
Yes
UNLOCK
No
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