Nissan Titan. Manual — part 468
DOOR SWITCH
PWC-45
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
1. Turn ignition switch OFF.
2. Disconnect BCM and front door switch.
3. Check continuity between BCM connector and front door switch
connector.
4. Check continuity between front door switch connector and
ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES
>> GO TO 4
NO
>> Replace BCM. Refer to
BCS-52, "Removal and Installation"
4.
CHECK FRONT DOOR SWITCH
Check front door switch.
PWC-46, "Component Inspection (Crew Cab)"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Replace front door switch.
Diagnosis Procedure (King Cab)
INFOID:0000000009878988
Regarding Wiring Diagram information, refer to
PWC-81, "Wiring Diagram - King Cab"
1.
CHECK FRONT DOOR SWITCH
BCM connector
Terminal
Front door switch
connector
Terminal
Continuity
M18
12
RH: B108
2
Yes
M19
47
LH: B8
Front door switch
connector
Terminal
Ground
Continuity
B8 (LH)
2
No
B108 (RH)
LIIA0947E
Terminal
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M18
12
Ground
Battery voltage
M19
47
LIIA0946E
PWC-46
< DTC/CIRCUIT DIAGNOSIS >
DOOR SWITCH
Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES
>> Replace BCM. Refer to
BCS-52, "Removal and Installation"
NO
>> GO TO 2
2.
CHECK FRONT DOOR SWITCH GROUND CIRCUIT
1. Disconnect front door switch.
2. Check continuity between front door switch connector and
ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES
>> GO TO 4
NO
>> Replace BCM. Refer to
BCS-52, "Removal and Installation"
4.
CHECK FRONT DOOR SWITCH
Check front door switch.
PWC-47, "Component Inspection (King Cab)"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Replace front door switch.
Component Inspection (Crew Cab)
INFOID:0000000009878989
1.
CHECK FRONT DOOR SWITCH
Terminals
Door condition
Voltage (V)
(Approx.)
(+)
(–)
BCM
connector
Terminal
M18
12
Ground
Front door
RH
OPEN
0
CLOSE
Battery voltage
M19
47
Front door
LH
OPEN
0
CLOSE
Battery voltage
LIIA0946E
Front door switch
connector
Terminal
Ground
Continuity
B8 (LH)
3
Yes
B108 (RH)
ALJIA0221ZZ
Terminal
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M18
12
Ground
Battery voltage
M19
47
LIIA0946E
DOOR SWITCH
PWC-47
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
1. Turn ignition switch OFF.
2. Disconnect front door switch.
3. Check continuity between front door switch terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace front door switch.
Component Inspection (King Cab)
INFOID:0000000009878990
1.
CHECK FRONT DOOR SWITCH
1. Turn ignition switch OFF.
2. Disconnect front door switch.
3. Check continuity between front door switch terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace front door switch.
Terminal
Condition
Continuity
Front door switch
2
Ground part of
door switch
Front door switch
Pushed
No
Released
Yes
LIIA2377E
Terminal
Condition
Continuity
Front door switch
2
3
Front door switch
Pushed
No
Released
Yes
LIIA2376E
PWC-48
< DTC/CIRCUIT DIAGNOSIS >
FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) CHECK (CREW
CAB)
FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) CHECK
(CREW CAB)
Description
INFOID:0000000009878991
Main power window and door lock/unlock switch detects condition of the door key cylinder and transmits to
BCM as the LOCK or UNLOCK signals.
Component Function Check
INFOID:0000000009878992
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT. Refer to
BCS-16, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009878993
Regarding Wiring Diagram information, refer to
PWC-88, "Wiring Diagram - Crew Cab"
.
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/
unlock switch connector and ground.
Is the measurement value within the specification?
YES
>> Replace main power window and door lock/unlock switch.
NO
>> GO TO 2
2.
CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
Monitor item
Condition
KEY CYL LK-SW
Lock
: ON
Neutral / Unlock
: OFF
KEY CYL UN-SW
Unlock
: ON
Neutral / Lock
: OFF
Terminals
Key position
Voltage (V)
(Approx.)
(+)
(–)
Main power window
and door lock/unlock
switch connector
Terminal
D7
4
Ground
Lock
0
Neutral/Unlock
5
6
Unlock
0
Neutral/Lock
5
ALKIA0309ZZ
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