Nissan Frontier. Manual — part 245
DLK-26
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
BCM
Ground
Continuity
Connector
Terminal
M20
67
Yes
LIIA0915E
DOOR SWITCH
DLK-27
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
DOOR SWITCH
KING CAB
KING CAB : Description
INFOID:0000000009478882
Detects door open/close condition.
KING CAB : Component Function Check
INFOID:0000000009478883
1.
CHECK FUNCTION
With CONSULT
Check door switches in Data Monitor mode with CONSULT.
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
DLK-27, "KING CAB : Diagnosis Procedure"
.
KING CAB : Diagnosis Procedure
INFOID:0000000009478884
Regarding Wiring Diagram information, refer to
DLK-77, "Wiring Diagram - King Cab"
1.
CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT
Check door switches ("DOOR SW-DR", "DOOR SW-AS") in DATA MONITOR mode with CONSULT. Refer to
BCS-15, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
• When any doors are open:
• When any doors are closed:
Without CONSULT
Check voltage between BCM connector M18 or M19 terminals 12, 47 and ground.
Is the inspection result normal?
YES
>> Door switch circuit is OK.
NO
>> GO TO 2
2.
CHECK BCM OUTPUT VOLTAGE
Monitor item
Condition
DOOR SW-DR
CLOSE
→ OPEN: OFF → ON
DOOR SW-AS
DOOR SW-DR
:ON
DOOR SW-AS
:ON
DOOR SW-DR
:OFF
DOOR SW-AS
:OFF
Connector
Item
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
M19
Door switches
LH
47
Ground
Open
↓
Closed
0
↓
Battery voltage
M18
Door switches
RH
12
LIIA1174E
DLK-28
< DTC/CIRCUIT DIAGNOSIS >
DOOR SWITCH
1. Turn ignition switch OFF.
2. Disconnect door switches.
3. Check voltage between BCM connector M18, M19 terminals 12,
47 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
BCS-49, "Removal and Installa-
.
3.
CHECK DOOR SWITCH CIRCUIT
1. Disconnect BCM.
2. Check continuity between door switch connector D213 (Front LH), D314 (Front RH) terminal 2, D211
(Rear upper LH), D312 (Rear upper RH), D212 (Rear lower LH), D313 (Rear lower RH) terminal 1 and
BCM connector M18, M19 terminals 12, and 47.
3. Check continuity between door switch connector D213 (Front
LH), D314 (Front RH) terminal 2, D211 (Rear upper LH), D312
(Rear upper RH), D212 (Rear lower LH), D313 (Rear lower RH)
terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK DOOR SWITCHES GROUND CIRCUIT
Check continuity between door switch connector D213 (Front LH), D314 (Front RH) terminal 3, D211 (Rear
upper LH), D312 (Rear upper RH), D212 (Rear lower LH), D313 (Rear lower RH) terminal 2 and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair or replace harness.
5.
CHECK DOOR SWITCHES
Check continuity between door switch terminals.
12 - Ground
: Battery voltage
47 - Ground
: Battery voltage
LIIA1174E
2 - 47
: Continuity should exist
2 - 12
: Continuity should exist
1 - 47
: Continuity should exist
1 - 12
: Continuity should exist
2 - Ground
: Continuity should not exist
1 - Ground
: Continuity should not exist
LIIA1175E
3 - Ground
: Continuity should exist
2 - Ground
: Continuity should exist
WIIA0715E
DOOR SWITCH
DLK-29
< 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
>> Check condition of harness and connector.
NO
>> Replace door switch.
CREW CAB
CREW CAB : Description
INFOID:0000000009478885
Detects door open/close condition.
CREW CAB : Component Function Check
INFOID:0000000009478886
1.
CHECK FUNCTION
With CONSULT
Check door switches in Data Monitor mode with CONSULT.
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
DLK-29, "CREW CAB : Diagnosis Procedure"
CREW CAB : Diagnosis Procedure
INFOID:0000000009478887
Regarding Wiring Diagram information, refer to
DLK-87, "Wiring Diagram - Crew Cab"
.
1.
CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR") in DATA MONI-
TOR mode with CONSULT. Refer to
BCS-15, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
• When any doors are open:
• When any doors are closed:
Item
Terminal
Condition
Continuity
Door switches
(front)
2 – 3
Open
Yes
Closed
No
Door switches (rear
upper and lower)
1 – 2
Open
Yes
Closed
No
WIIA0628E
Monitor item
Condition
DOOR SW-DR
CLOSE
→ OPEN: OFF → ON
DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
DOOR SW-DR
: ON
DOOR SW-AS
: ON
DOOR SW-RL
: ON
DOOR SW-RR
: ON
DOOR SW-DR
: OFF
DOOR SW-AS
: OFF
DOOR SW-RL
: OFF
DOOR SW-RR
: OFF
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