Nissan Frontier. Instruction — part 247
DLK-34
< DTC/CIRCUIT DIAGNOSIS >
DOOR LOCK AND UNLOCK SWITCH
2. Check continuity between BCM connector M19 terminal 45 and main power window and door lock/unlock
switch connector D7 terminal 10 or power window and door lock/unlock switch RH connector D105 termi-
nal 1.
3. Check continuity between BCM connector M19 terminal 45 and
ground.
4. Check continuity between BCM connector M19 terminal 46 and main power window and door lock/unlock
switch LH connector D7 terminal 11 or power window and door lock/unlock switch RH connector D105 ter-
minal 2.
5. Check continuity between BCM connector M19 terminal 46 and
ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair or replace harness.
5.
CHECK BCM OUTPUT VOLTAGE
1. Connect BCM.
1 - 45
: Continuity should exist.
10 - 45
: Continuity should exist.
45 - Ground
: Continuity should not exist.
WIIA0630E
2 - 46
: Continuity should exist.
11 - 46
: Continuity should exist.
46 - Ground
: Continuity should not exist.
WIIA0631E
DOOR LOCK AND UNLOCK SWITCH
DLK-35
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
2. Check voltage between BCM connector M19 terminals 45, 46
and ground.
Is the inspection result normal?
YES
>> Check condition of the harness and connector.
NO
>> Replace BCM. Refer to
BCS-49, "Removal and Installa-
.
CREW CAB
CREW CAB : Description
INFOID:0000000009478891
Transmits door lock/unlock operation to BCM.
CREW CAB : Component Function Check
INFOID:0000000009478892
1.
CHECK FUNCTION
With CONSULT
Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT.
Is the inspection result normal?
YES
>> Door lock and unlock switch is OK.
NO
>> Refer to
DLK-35, "CREW CAB : Diagnosis Procedure"
CREW CAB : Diagnosis Procedure
INFOID:0000000009478893
Regarding Wiring Diagram information, refer to
DLK-87, "Wiring Diagram - Crew Cab"
.
1.
CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
With CONSULT
Check door lock/unlock switch ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MONITOR mode in CON-
SULT. Refer to
BCS-15, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
• When door lock/unlock switch is turned to LOCK:
• When door lock/unlock switch is turned to UNLOCK:
Without CONSULT
Check voltage between BCM connector M19 terminals 45, 46 and ground.
45 - Ground
: Battery voltage
46 - Ground
: Battery voltage
LIIA1351E
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
CDL LOCK SW
: ON
CDL UNLOCK SW
: ON
DLK-36
< DTC/CIRCUIT DIAGNOSIS >
DOOR LOCK AND UNLOCK SWITCH
Is the inspection result normal?
YES
>> Door lock/unlock switch circuit is OK.
NO
>> GO TO 2
2.
CHECK DOOR LOCK/UNLOCK SWITCH
1. Turn ignition switch OFF.
2. Disconnect door lock/unlock switch.
3. Check continuity between main power window and door lock/
unlock switch terminals 10, 11 and 14.
4. Check continuity between power window and door lock/unlock
switch RH terminals 1, 2 and 3.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace door lock/unlock switch.
3.
CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
1. Disconnect main power window and door lock/unlock switch or power window and door lock/unlock switch
RH.
2. Check continuity between main power window and door lock/
unlock switch connector D7 terminal 14 and ground.
Connec-
tor
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
M19
46
Ground
Door lock/unlock switch is
neutral.
Battery voltage
Door lock/unlock switch is
turned to UNLOCK.
0
45
Ground
Door lock/unlock switch is
neutral.
Battery voltage
Door lock/unlock switch is
turned to LOCK.
0
LIIA1351E
Terminal
Condition
Continuity
10
14
Lock
Yes
Unlock/Neutral
No
11
Unlock
Yes
Lock/Neutral
No
Terminal
Condition
Continuity
1
3
Lock
Yes
Unlock/Neutral
No
2
Unlock
Yes
Lock/Neutral
No
WIIA0675E
14 - Ground
: Continuity should exist.
WIIA0449E
DOOR LOCK AND UNLOCK SWITCH
DLK-37
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3. Check continuity between power window and door lock/unlock
switch RH connector D105 terminal 3 and ground
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK DOOR LOCK SWITCH CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M19 terminal 45 and main power window and door lock/unlock
switch connector D7 terminal 10 or power window and door lock/unlock switch RH connector D105 termi-
nal 1.
3. Check continuity between BCM connector M19 terminal 45 and
ground.
4. Check continuity between BCM connector M19 terminal 46 and main power window and door lock/unlock
switch LH connector D7 terminal 11 or power window and door lock/unlock switch RH connector D105 ter-
minal 2.
3 - Ground
: Continuity should exist.
WIIA0450E
1 - 45
: Continuity should exist.
10 - 45
: Continuity should exist.
45 - Ground
: Continuity should not exist.
WIIA0630E
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