Nissan Titan A60. Instruction — part 785
PWC-44
< DTC/CIRCUIT DIAGNOSIS >
DOOR SWITCH
DOOR SWITCH
Description
INFOID:0000000006161075
Detects door open/close condition and transmits the signal to BCM.
Component Function Check
INFOID:0000000006161076
1.
CHECK FRONT DOOR SWITCH INPUT SIGNAL
Check (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-III. Refer to
24, "RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)"
Is the inspection result normal?
YES
>> Front door switch circuit is OK.
NO
>> Refer to
PWC-44, "Diagnosis Procedure (Crew Cab)"
.
Diagnosis Procedure (Crew Cab)
INFOID:0000000006161077
Regarding Wiring Diagram information, refer to
PWC-88, "Wiring Diagram - Crew Cab"
.
1.
CHECK FRONT DOOR SWITCH
Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES
>> Replace BCM. Refer to
BCS-53, "Removal and Installation"
NO
>> GO TO 2
2.
CHECK HARNESS CONTINUITY
Monitor item
Condition
DOOR SW-DR
OPEN
: ON
CLOSE
: OFF
DOOR SW-AS
OPEN
: ON
CLOSE
: OFF
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
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-53, "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-39, "Intermittent Incident"
.
NO
>> Replace front door switch.
Diagnosis Procedure (King Cab)
INFOID:0000000006161078
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-53, "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-53, "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-39, "Intermittent Incident"
.
NO
>> Replace front door switch.
Component Inspection (Crew Cab)
INFOID:0000000006161079
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:0000000006161080
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
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