Nissan Pathfinder (2008 year). Manual — part 165
KEY CYLINDER SWITCH
DLK-221
< COMPONENT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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KEY CYLINDER SWITCH
Description
INFOID:0000000001728472
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:0000000001728473
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
DLK-221, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000001728474
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.
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).
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
DLK-222
< COMPONENT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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
FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)
DLK-223
< COMPONENT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)
Description - RF Door
INFOID:0000000001728475
Detects door lock condition of passenger door.
Diagnosis Procedure - RF Door
INFOID:0000000001728477
1.
CHECK LOCK SENSOR POWER SUPPLY
Check voltage between back door control unit connector terminal 5 and ground.
Is the inspection result normal?
YES
>> Front door lock assembly RH (door lock sensor) is OK.
NO
>> GO TO 2.
2.
CHECK LOCK SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect back door control unit and front door lock assembly
RH (door lock sensor) connector.
3.
Check continuity between back door control unit harness con-
nector (A) D509 terminal 5 and front door lock assembly RH
(door lock sensor) harness connector (B) D103 terminal 1.
4.
Check continuity between back door control unit harness con-
nector (A) D509 terminal 5 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between back door control unit and front door lock assembly RH (door
lock sensor).
3.
CHECK LOCK SENSOR GROUND CIRCUIT
Check continuity between front door lock assembly RH (door lock sensor) harness connector D103 terminal 3
and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK BACK DOOR CONTROL UNIT OUTPUT SIGNAL
1.
Connect back door control unit harness connector.
2.
Check voltage between back door control unit harness connector D509 terminal 5 and ground.
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
D509
5
Ground
Passenger side door lock is locked
Battery
voltage
Passenger side door lock is unlocked
0
ALKIA1247ZZ
5 – 1
: Continuity should exist.
5 – Ground
: Continuity should not exist.
ALKIA1248ZZ
3 – Ground
: Continuity should exist.
ALKIA1249ZZ
DLK-224
< COMPONENT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)
Is the inspection result normal?
YES
>> Refer to
DLK-224, "Component Inspection - RF Door"
NO
>> Replace back door control unit. Refer to
Component Inspection - RF Door
INFOID:0000000001728478
1.
CHECK DOOR LOCK SENSOR
Check door lock sensor.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace front lock assembly RH (door lock sensor). Refer to
DLK-313, "Removal and Installation"
.
5 – Ground
: Battery voltage
WIIA1193E
ALKIA1250ZZ
Terminal
Front door lock assembly RH condition
Continuity
Front door lock assembly RH
1
3
Unlocked
Yes
Locked
No
DOOR LOCK ACTUATOR
DLK-225
< COMPONENT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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DOOR LOCK ACTUATOR
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000001728487
Locks/unlocks the door with the signal from BCM.
DRIVER SIDE : Component Function Check
INFOID:0000000001728488
1.
CHECK FUNCTION
1.
Use CONSULT-III to perform Active Test "DOOR LOCK".
2.
Touch “ALL LOCK” or “ALL UNLOCK” to check that it works normally.
Is the inspection result normal?
YES
>> Door lock actuator is OK.
NO
>> Refer to
DLK-225, "DRIVER SIDE : Diagnosis Procedure"
.
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000001728489
1.
CHECK DOOR LOCK ACTUATOR SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between BCM connector M20 terminals 59, 65
and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK DOOR LOCK ACTUATOR HARNESS
1.
Disconnect BCM and front door lock assembly LH (actuator).
2.
Check continuity between BCM connector (A) M20 terminals 59,
65 and front door lock assembly LH (actuator) connector (B)
D14 terminals 1, 2.
Is the inspection result normal?
YES
>> Replace front door lock assembly LH (actuator).
NO
>> Repair or replace harness.
3.
CHECK DOOR LOCK ACTUATOR HARNESS
1.
Disconnect BCM and front door lock assembly LH (actuator).
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M20
59
Ground
Driver door lock/unlock
switch is turned to UN-
LOCK
0
→
Battery voltage
65
Driver door lock/unlock
switch is turned to LOCK
0
→
Battery voltage
LIIA1046E
Connector
Terminals
Connector
Terminals
Continuity
M20
59
D14
2
Yes
65
1
ALKIA1191ZZ
DLK-226
< COMPONENT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
DOOR LOCK ACTUATOR
2.
Check continuity between BCM connector M20 terminals 59, 65
and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-54, "Removal and Installation"
NO
>> Repair or replace harness.
PASSENGER SIDE
PASSENGER SIDE : Description
INFOID:0000000001728490
Locks/unlocks the door with the signal from BCM.
PASSENGER SIDE : Component Function Check
INFOID:0000000001728491
1.
CHECK FUNCTION
1.
Use CONSULT-III to perform Active Test DOOR LOCK.
2.
Touch “ALL LOCK” or “ALL UNLOCK” to check that it works normally.
Is the inspection result normal?
YES
>> Door lock actuator is OK.
NO
>> Refer to
DLK-226, "PASSENGER SIDE : Diagnosis Procedure"
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000001728492
1.
CHECK FRONT DOOR LOCK ACTUATOR RH SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between BCM connector M20 terminals 65, 66
and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK DOOR LOCK ACTUATOR HARNESS
1.
Disconnect BCM and front door lock actuator RH.
Connector
Terminals
Continuity
M20
59
Ground
No
65
ALKIA0633ZZ
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M20
65
Ground
Door lock/unlock switch is
turned to LOCK
0
→
Battery voltage
for 300 ms
66
Door lock/unlock switch is
turned to UNLOCK
LIIA1048E
DOOR LOCK ACTUATOR
DLK-227
< COMPONENT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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2.
Check continuity between BCM connector (A) M20 terminals 65,
66 and front door lock actuator RH (B) D114 terminals 1, 2.
Is the inspection result normal?
YES
>> Replace front door lock actuator RH. Refer to
DLK-313, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK DOOR LOCK ACTUATOR HARNESS
1.
Disconnect BCM and front door lock actuator RH.
2.
Check continuity between BCM connector M19 terminals 65, 66
and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-54, "Removal and Installation"
NO
>> Repair or replace harness.
REAR LH
REAR LH : Description
INFOID:0000000001728493
Locks/unlocks the door with the signal from BCM.
REAR LH : Component Function Check
INFOID:0000000001728494
1.
CHECK FUNCTION
1.
Use CONSULT-III to perform Active Test "DOOR LOCK".
2.
Touch “ALL LOCK” or “ALL UNLOCK” to check that it works normally.
Is the inspection result normal?
YES
>> Door lock actuator is OK.
NO
>> Refer to
DLK-227, "REAR LH : Diagnosis Procedure"
.
REAR LH : Diagnosis Procedure
INFOID:0000000001728495
1.
CHECK DOOR LOCK ACTUATOR SIGNAL
1.
Turn ignition switch OFF.
Terminal
Continuity
65
2
Yes
66
1
ALKIA1192ZZ
Terminals
Continuity
65
Ground
No
66
ALKIA0631ZZ
DLK-228
< COMPONENT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
DOOR LOCK ACTUATOR
2.
Check voltage between BCM connector M20 terminals 65, 66
and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK DOOR LOCK ACTUATOR HARNESS
NOTE:
The passenger select unlock relay must remain connected during this test.
1.
Disconnect BCM and rear door lock actuator LH.
2.
Check continuity between BCM connector (A) M20 terminals 65,
66 and rear door lock actuator LH connector (B) D205 terminals
1, 2.
Is the inspection result normal?
YES
>> Replace rear door lock actuator LH.
NO
>> Repair or replace harness or passenger select unlock relay.
3.
CHECK DOOR LOCK ACTUATOR HARNESS
1.
Disconnect BCM and each door lock actuator.
2.
Check continuity between BCM connector M20 terminals 65, 66
and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-54, "Removal and Installation"
NO
>> Repair or replace harness or passenger select unlock relay.
REAR RH
REAR RH : Description
INFOID:0000000001728496
Locks/unlocks the door with the signal from BCM.
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M20
65
Ground
Door lock/unlock switch
is turned to LOCK
0
→
Battery voltage
for 300 ms
66
Door lock/unlock switch
is turned to UNLOCK
LIIA1048E
Terminals
Continuity
65
2
Yes
66
1
ALKIA1192ZZ
Terminals
Continuity
65
Ground
No
66
No
ALKIA0631ZZ
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