Nissan Pathfinder (2011 year). Manual — part 150
DLK-66
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
BACK DOOR OPENER SWITCH
BACK DOOR OPENER SWITCH
Diagnosis Procedure
INFOID:0000000006245461
Regarding Wiring Diagram information, refer to
.
1.
CHECK BACK DOOR OPENER SWITCH
With CONSULT-III
Check back door opener switch (“BD OPEN SW”) in “DATA MONITOR” mode.
Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key Unit connector M164 ter-
minal 24 and ground.
Is the inspection result normal?
YES
>> Back door opener switch is OK.
NO
>> GO TO 2
2.
CHECK BACK DOOR OPENER SWITCH OPERATION
1. Turn ignition switch OFF.
2. Disconnect back door opener switch connector.
3. Check continuity between back door opener switch terminals 1
and 2.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace back door opener switch.
3.
CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT
Check continuity between back door opener switch harness connector D511 terminal 2 and ground.
Monitor item
Condition
BD OPEN SW
Back door opener switch is pressed: ON
Back door opener switch is released: OFF
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
M164
24
Ground
Back door opener switch
is pressed
0
Back door opener switch
is released
5
ALKIA1240ZZ
Component
Terminals
Condition
Continuity
Back door
opener
switch
1
2
Back door opener switch is pressed
Yes
Back door opener switch is released
No
WIIA1186E
2011 Pathfinder
BACK DOOR OPENER SWITCH
DLK-67
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace back door opener switch ground cir-
cuit.
4.
CHECK BACK DOOR OPENER SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key Unit harness connector M164 terminal 24 and back door opener
switch harness connector D511 terminal 1.
3. Check continuity between Intelligent Key Unit harness connec-
tor M164 terminal 24 and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair or replace harness between Intelligent Key Unit
and back door opener switch.
5.
CHECK BACK DOOR OPENER SWITCH SIGNAL
1. Connect Intelligent Key Unit connector.
2. Check voltage between back door opener switch harness connector D511 terminal 1 and ground.
Is the inspection result normal?
YES
>> Check condition of harness and connector.
NO
>> Replace Intelligent Key Unit. Refer to
.
2 - Ground
: Continuity should exist.
WIIA1187E
24 - 1
: Continuity should exist.
24 - Ground
: Continuity should not exist.
ALKIA1241ZZ
1 - Ground
: Approx. 5v
WIIA1189E
2011 Pathfinder
DLK-68
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
KEY CYLINDER SWITCH
KEY CYLINDER SWITCH
Description
INFOID:0000000006245462
The main power window and door lock/unlock switch detects condition of the door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
INFOID:0000000006245463
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check "KEY CYL LK-SW" AND "KEY CYL UN-SW" in DATA MONITOR mode for “POWER DOOR LOCK
SYSTEM” with CONSULT-III.
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006245464
Regarding Wiring Diagram information, refer to
DLK-139, "Wiring Diagram - With Intelligent Key System"
.
1.
CHECK DOOR KEY CYLINDER SWITCH LH
With CONSULT-III
Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in
DATA MONITOR mode with CONSULT–III.
• When key inserted in left front key cylinder is turned to LOCK:
• When key inserted in left front key cylinder is turned to UNLOCK:
Without CONSULT-III
Check voltage between main power window and door lock/unlock
switch connector D7 terminals 4, 6 and ground.
Is the inspection result normal?
YES
>> Key cylinder switch signal is OK.
Monitor item
Condition
KEY CYL LK-SW
Lock
: ON
Neutral / Unlock
: OFF
KEY CYL UN-SW
Unlock
: ON
Neutral / Lock
: OFF
KEY CYL LK-SW
: ON
KEY CYL UN-SW
: ON
Connector
Terminals
Condition of left front key cylinder
Voltage (V)
(Approx.)
(+)
(–)
D7
4
Ground
Neutral/Unlock
5
Lock
0
6
Neutral/Lock
5
Unlock
0
LIIA0566E
2011 Pathfinder
KEY CYLINDER SWITCH
DLK-69
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
NO
>> GO TO 2
2.
CHECK DOOR KEY CYLINDER SWITCH LH GROUND HARNESS
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly LH (key cylinder switch).
3. Check continuity between front door lock assembly LH (key cyl-
inder switch) connector (A) D14 terminal 4 and body ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK DOOR KEY CYLINDER SWITCH LH
Check continuity between front door lock assembly LH (key cylinder
switch) terminals.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace front door lock assembly LH (key cylinder switch). Refer to
4.
CHECK DOOR KEY CYLINDER HARNESS
Check continuity between main power window and door lock/unlock
switch connector (A) D7 terminals 4, 6 and front door lock assembly
LH (key cylinder switch) connector (B) D14 terminals 3, 5 and body
ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch.
NO
>> Repair or replace harness.
Connector
Terminals
Continuity
D14
4 – Ground
Yes
ALKIA1186ZZ
Terminals
Condition
Continuity
3 – 4
Key is turned to LOCK or neutral.
No
Key is turned to UNLOCK.
Yes
4 – 5
Key is turned to UNLOCK or neutral.
No
Key is turned to LOCK.
Yes
ALKIA1183ZZ
Connector
Terminals
Connector
Terminals
Continuity
A: Main
power win-
dow and
door lock/
unlock
switch
4
B: Front
door lock
assembly
LH (key
cylinder
switch)
5
Yes
6
3
Yes
4, 6
Ground
No
ALKIA1184ZZ
2011 Pathfinder
DLK-70
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)
FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)
Description
INFOID:0000000006245465
Detects door lock condition of driver door.
Component Function Check
INFOID:0000000006245466
1.
CHECK FUNCTION
With CONSULT-III
Check door unlock sensor in DATA MONITOR mode.
Is the inspection result normal?
YES
>> Door unlock sensor is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006245467
Regarding Wiring Diagram information, refer to
.
1.
CHECK UNLOCK SENSOR POWER SUPPLY
Check voltage between Intelligent Key unit connector terminal 28 and ground.
Is the inspection result normal?
YES
>> Front door lock assembly LH (door unlock sensor) is
OK.
NO
>> GO TO 2
2.
CHECK UNLOCK SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and front door lock assembly LH
(door unlock sensor) connector.
3. Check continuity between Intelligent Key unit harness connector
(A) M164 terminal 28 and front door lock assembly LH (door
unlock sensor) harness connector (B) D14 terminal 6.
4. Check continuity between Intelligent Key unit harness connector
(A) M164 terminal 28 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key unit and front door lock assembly LH (door
unlock sensor).
Monitor item
Condition
DOOR STAT SW (DR DOOR STATE)
Front door lock (driver side) LOCK : OFF
Front door lock (driver side) UNLOCK : ON
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M164
28
Ground
Driver side door lock is locked
5
Driver side door lock is un-
locked
0
WIIA1190E
28 – 6
: Continuity should exist.
28 – Ground
: Continuity should not exist.
ALKIA1185ZZ
2011 Pathfinder
FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)
DLK-71
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3.
CHECK UNLOCK SENSOR GROUND CIRCUIT
Check continuity between front door lock assembly LH (door unlock sensor) harness connector D14 terminal 4
and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit harness connector.
2. Check voltage between Intelligent Key unit harness connector M164 terminal 28 and ground.
Is the inspection result normal?
YES
>> Refer to
DLK-71, "Component Inspection"
NO
>> Replace Intelligent Key unit. Refer to
.
Component Inspection
INFOID:0000000006245468
1.
CHECK DOOR UNLOCK SENSOR
Check door unlock sensor.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace front lock assembly LH (door unlock sensor). Refer to
DLK-201, "Removal and Installa-
.
4 – Ground
: Continuity should exist.
ALKIA1186ZZ
28 – Ground
: Approx. 5V
WIIA1193E
ALKIA1187ZZ
Terminal
Front door lock assembly LH condition
Continuity
Front door lock assembly LH
4
6
Unlock
Yes
Lock
No
2011 Pathfinder
DLK-72
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DOOR REQUEST SWITCH
DOOR REQUEST SWITCH
FRONT DOOR REQUEST SWITCH
FRONT DOOR REQUEST SWITCH : Description
INFOID:0000000006245469
Transmits lock/unlock operation to Intelligent Key unit.
FRONT DOOR REQUEST SWITCH : Component Function Check
INFOID:0000000006245470
1.
CHECK FUNCTION
With CONSULT-III
Check door request switch "DR REQ SW" and "AS REQ SW" in DATA MONITOR mode.
Is the inspection result normal?
YES
>> Door request switch is OK.
NO
>> Refer to
DLK-72, "FRONT DOOR REQUEST SWITCH : Diagnosis Procedure"
.
FRONT DOOR REQUEST SWITCH : Diagnosis Procedure
INFOID:0000000006245471
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT DOOR REQUEST SWITCH
With CONSULT-III
Check front door request switch (“DR REQ SW” or “AS REQ SW”) in “DATA MONITOR” mode.
Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit harness connector
M70 terminals 5, 25 and ground.
Is the inspection result normal?
YES
>> Front door request switch is OK.
NO
>> GO TO 2
2.
CHECK FRONT DOOR REQUEST SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and front door request switch connectors.
Monitor item
Condition
DR REQ SW
AS REQ SW
Door request switch is pressed : ON
Door request switch is released : OFF
Monitor item
Condition
DR REQ SW
AS REQ SW
Front door request switch is pressed: ON
Front door request switch is released: OFF
Connector
Item
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
M70
Front door re-
quest switch
LH
5
Ground
Door request
switch is
pressed
↓
Door request
switch is re-
leased
0
↓
Battery voltage
Front door re-
quest switch
RH
25
WIIA1183E
2011 Pathfinder
DOOR REQUEST SWITCH
DLK-73
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 5 (driver door), 25
(passenger door) and front door request switch harness connector (B) D16 (LH), D116 (RH) terminal 2.
4. Check continuity between Intelligent Key unit harness connector
(A) M70 terminals 5 (driver door), 25 (passenger door) and
ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key unit and front door request switch.
3.
CHECK FRONT DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between front door request switch harness connector D16 (driver door), D116 (passenger
door) terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace door request switch ground circuit.
4.
CHECK FRONT DOOR REQUEST SWITCH OPERATION
DLK-74, "FRONT DOOR REQUEST SWITCH : Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Replace front door request switch.
5.
CHECK FRONT DOOR REQUEST SWITCH SIGNAL
1. Connect Intelligent Key unit connector.
2. Check voltage between Intelligent Key unit harness connector
M70 terminals 5, 25 and ground.
Is the inspection result normal?
YES
>> Refer to
GI-37, "Intermittent Incident"
.
NO
>> Replace Intelligent Key unit. Refer to
SEC-113, "Removal and Installation"
Driver side
5 - 2
: Continuity should exist.
Passenger side
25 - 2
: Continuity should exist.
5 - Ground
: Continuity should not exist.
25 - Ground
: Continuity should not exist.
ALKIA1188ZZ
1 - Ground
: Continuity should exist.
ALKIA1189ZZ
Connector
Item
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
M70
Front door re-
quest switch
LH
5
Ground
Door request
switch is
pressed
↓
Door request
switch is re-
leased
0
↓
Battery voltage
Front door re-
quest switch
RH
25
WIIA1183E
2011 Pathfinder
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