Nissan Pathfinder (2012 year). Instruction — part 501
PWC-38
< DTC/CIRCUIT DIAGNOSIS >
DOOR KEY CYLINDER SWITCH
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and
front door lock assembly LH (key cylinder switch).
3. Check continuity between main power window and door lock/
unlock switch connector (A) and front door lock assembly LH
(key cylinder switch) connector (B).
4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between front door lock assembly LH (key cylinder
switch) connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch.
PWC-38, "Component Inspection"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-37, "Intermittent Incident"
.
NO
>> Replace front door lock assembly LH (door key cylinder switch).
Component Inspection
INFOID:0000000007355895
COMPONENT INSPECTION
1.
CHECK DOOR KEY CYLINDER SWITCH
Main power window
and door lock/unlock
switch connector
Terminal
Front door lock as-
sembly LH (key cylin-
der switch) connector
Terminal
Continuity
D7 (A)
4
D14 (B)
5
Yes
6
3
Main power window and door
lock/unlock switch connector
Terminal
Ground
Continuity
D7 (A)
4
No
6
ALKIA1212ZZ
Front door lock assembly LH (key
cylinder switch) connector
Terminal
Ground
Continuity
D14
4
Yes
LIIA2806E
August 2012
2012 Pathfinder
DOOR KEY CYLINDER SWITCH
PWC-39
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Check front door lock assembly LH (key cylinder switch).
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Replace front door lock assembly LH (key cylinder switch).
Terminal
Key position
Continuity
Front door lock assembly LH
(key cylinder switch) connector
3
4
Unlock
Yes
Neutral/Lock
No
5
Lock
Yes
Neutral/Unlock
No
LIIA2807E
August 2012
2012 Pathfinder
PWC-40
< DTC/CIRCUIT DIAGNOSIS >
POWER WINDOW SERIAL LINK
POWER WINDOW SERIAL LINK
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description
INFOID:0000000007355896
Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and BCM
transmit and receive the signal by power window serial link.
The signal mentioned below is transmitted from BCM to main power window and door lock/unlock switch and
power window and door lock/unlock switch RH
• Keyless power window down signal
The signal mentioned below is transmitted from main power window and door lock/unlock switch to power win-
dow and door lock/unlock switch RH
• Front door window RH operation signal
• Power window control by key cylinder switch signal
• Power window lock switch signal
• Retained power operation signal
POWER WINDOW MAIN SWITCH : Component Function Check
INFOID:0000000007355897
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT. Refer to
BCS-16, "COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)"
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-40, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
INFOID:0000000007355898
Regarding Wiring Diagram information, refer to
.
1.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
1. Remove Intelligent Key or ignition key, and close front door LH
and RH.
2. Check signal between BCM connector and ground with oscillo-
scope when door lock and unlock switch (LH and RH) is turned
to “LOCK” or “UNLOCK”.
3. Check that signals which are shown in the figure below can be
detected during 10 second just after door lock and unlock switch
(LH and RH) is turned to “LOCK” or “UNLOCK”.
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
LIIA0391E
August 2012
2012 Pathfinder
POWER WINDOW SERIAL LINK
PWC-41
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> GO TO 2
2.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and main power window and door lock/unlock
switch.
3. Check continuity between BCM connector (A) and main power
window and door lock/unlock switch connector (B).
4. Check continuity between BCM connector (A) and ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
.
NO
>> Repair or replace harness.
FRONT POWER WINDOW SWITCH
FRONT POWER WINDOW SWITCH : Description
INFOID:0000000007355899
Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and BCM
transmit and receive the signal by power window serial link.
The signal mentioned below is transmitted from BCM to main power window and door lock/unlock switch and
power window and door lock/unlock switch RH
• Keyless power window down signal
The signal mentioned below is transmitted from main power window and door lock/unlock switch to power win-
dow and door lock/unlock switch RH
• Front door window RH operation signal
• Power window control by key cylinder switch signal
• Retained power operation signal
• Power window lock switch signal
FRONT POWER WINDOW SWITCH : Component Function Check
INFOID:0000000007355900
1.
CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OUTPUT SIGNAL
Terminal
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M18
22
Ground
PIIA2344E
BCM connector
Terminal
Main power window and door
lock/unlock switch connector
Terminal
Continuity
M18 (A)
22
D7 (B)
14
Yes
ALKIA1026ZZ
BCM connector
Terminal
Ground
Continuity
M18 (A)
22
No
August 2012
2012 Pathfinder
PWC-42
< DTC/CIRCUIT DIAGNOSIS >
POWER WINDOW SERIAL LINK
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT. Refer to
BCS-17, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-42, "FRONT POWER WINDOW SWITCH : Diagnosis Procedure"
FRONT POWER WINDOW SWITCH : Diagnosis Procedure
INFOID:0000000007355901
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH
1. Remove Intelligent Key or ignition key, and close the front door
LH and RH.
2. Check signal between BCM connector and ground with oscillo-
scope when door lock and unlock switch (LH and RH) is turned
to “LOCK” or “UNLOCK”.
3. Check that signals which are shown in the figure below can be
detected during 10 second just after door lock and unlock switch
(LH and RH) is turned to “LOCK” or “UNLOCK”.
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> GO TO 2
2.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check continuity between BCM connector (A) and power win-
dow and door lock/unlock switch RH connector (B).
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
Terminal
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M18
22
Ground
LIIA0391E
PIIA2344E
BCM connector
Terminal
Power window and door
lock/unlock switch RH con-
nector
Terminal
Continuity
M18 (A)
22
D105 (B)
16
Yes
ALKIA1027ZZ
August 2012
2012 Pathfinder
POWER WINDOW SERIAL LINK
PWC-43
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
4. Check continuity between BCM connector (A) and ground.
Is the inspection result normal?
YES
>> Replace power window and door lock/unlock switch RH. Refer to
PWC-86, "Removal and Installa-
.
NO
>> Repair or replace harness.
BCM connector
Terminal
Ground
Continuity
M18 (A)
22
No
August 2012
2012 Pathfinder
PWC-44
< DTC/CIRCUIT DIAGNOSIS >
POWER WINDOW LOCK SWITCH
POWER WINDOW LOCK SWITCH
Description
INFOID:0000000007355902
Ground circuit of main power window and door lock/unlock switch shuts off if power window lock switch of
main power window and door lock/unlock switch is operated. This inhibits all operation, except for the main
switch.
Component Function Check
INFOID:0000000007355903
1.
CHECK POWER WINDOW LOCK SIGNAL
Exchanges for a normal main power window and door lock/unlock switch, and operation is checked.
Does power window lock operate?
YES
>> Replace main power window and door lock/unlock switch. Refer to
.
NO
>> Check condition of harness and connector.
August 2012
2012 Pathfinder
POWER WINDOW MAIN SWITCH
PWC-45
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
ECU DIAGNOSIS INFORMATION
POWER WINDOW MAIN SWITCH
Reference Value
INFOID:0000000007355904
TERMINAL LAYOUT
PHYSICAL VALUES
MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
LIIA2455E
Terminal No.
(Wire color)
Description
Condition
Voltage [V]
(Approx.)
+
–
Signal name
Input/
Output
1
(R)
Ground
Rear power window motor LH
UP signal
Output
When rear LH switch in
power window main switch
is operated UP.
Battery voltage
2
(BR)
Ground Encoder ground
—
—
0
3
(LG)
Ground
Rear power window motor LH
DOWN signal
Output
When rear LH switch in
power window main switch
is operated DOWN.
Battery voltage
4
(SB)
Ground
Door key cylinder switch LH
LOCK signal
Input
Key position
(Neutral/Unlocked
→
Locked)
5
→
0
5
(P)
Ground
Rear power window motor RH
DOWN signal
Output
When rear RH switch in
power window main switch
is operated DOWN.
Battery voltage
6
(R/W)
Ground
Door key cylinder switch LH
UNLOCK signal
Input
Key position
(Neutral/Locked
→
Un-
locked)
5
→
0
7
(Y)
Ground
Rear power window motor RH
UP signal
Output
When rear RH switch in
power window main switch
is operated UP.
Battery voltage
8
(O)
11
Front door power window mo-
tor LH UP signal
Output
When front LH switch in
power window main switch
is operated UP.
Battery voltage
9
(Y)
2
Encoder pulse signal 2
Input
When power window mo-
tor operates.
JMKIA0070GB
August 2012
2012 Pathfinder
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