Nissan Pathfinder (2008 year). Manual — part 143
INSIDE KEY ANTENNA 3 (CENTER CONSOLE)
DLK-45
< COMPONENT 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 3.
NO
>> Repair or replace harness between Intelligent Key unit and inside key antenna 3 (center console).
3.
CHECK INSIDE KEY ANTENNA POWER SUPPLY SINGAL
1.
Replace inside key antenna. (New antenna or other antenna)
2.
Connect Intelligent Key unit connector.
3.
Check signal between Intelligent Key unit connector and ground
with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna 3 (center console).
NO
>> Replace Intelligent Key unit. Refer to
SEC-95, "Removal and Installation"
Item
Connector
Terminals
Continuity
Intelligent Key
unit
A: M164
13
Ground
No
14
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
13
Ground
Ignition
switch is
pushed.
ALKIA0583ZZ
PIIB7441E
DLK-46
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
INTELLIGENT KEY UNIT
INTELLIGENT KEY UNIT : Diagnosis Procedure
INFOID:0000000001563499
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit connector.
3.
Check voltage between Intelligent Key unit harness connector
M70 terminals 6, 11 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace Intelligent Key power supply circuit.
2.
CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit harness connector
M70 terminal 12 and ground.
Is the inspection result normal?
YES
>> Power supply and ground circuits are OK.
NO
>> Repair or replace the Intelligent Key unit ground circuit.
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000001563500
.
BACK DOOR ASSEMBLY
BACK DOOR ASSEMBLY : Diagnosis Procedure
INFOID:0000000001724712
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect back door control unit connector.
3.
Check voltage between back door control unit harness connec-
tor D509 terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace back door control unit power supply
circuit.
Connector
Terminals
Ignition switch position
M70
(+)
(–)
OFF
ON
6
Ground
0V
Battery voltage
11
Battery voltage
Battery voltage
WIIA1171E
12 - Ground
: Continuity should exist.
WIIA1172E
Connector
Terminals
Voltage (V)
(Approx.)
D509
(+)
(–)
Battery voltage
1
Ground
ALKIA1238ZZ
POWER SUPPLY AND GROUND CIRCUIT
DLK-47
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
2.
CHECK GROUND CIRCUIT
Check continuity between back door control unit harness connector
D509 terminals 4, 5 and ground.
Is the inspection result normal?
YES
>> Power supply and ground circuits are OK.
NO
>> Repair or replace the back door control unit ground cir-
cuit.
Connector
Terminals
Continuity
D509
4
Ground
Yes
5
ALKIA1239ZZ
DLK-48
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DOOR SWITCH
DOOR SWITCH
Description
INFOID:0000000001563502
Detects door open/close condition.
Component Function Check
INFOID:0000000001563503
1.
CHECK FUNCTION
With CONSULT-III
Check door switches in data monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000001563504
1.
CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR
SW") in DATA MONITOR mode with CONSULT–III.
• When doors are open:
• When doors are closed:
Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.
Monitor item
Condition
DOOR SW-DR
CLOSE
→
OPEN: OFF
→
ON
DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
BACK DOOR SW
DOOR SW-DR
:ON
DOOR SW-AS
:ON
DOOR SW-RL
:ON
DOOR SW-RR
:ON
BACK DOOR SW
:ON
DOOR SW-DR
:OFF
DOOR SW-AS
:OFF
DOOR SW-RL
:OFF
DOOR SW-RR
:OFF
BACK DOOR SW
:OFF
DOOR SWITCH
DLK-49
< COMPONENT 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
>> Door switch circuit is OK.
NO
>> GO TO 2.
2.
CHECK DOOR SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect door switch and BCM.
3.
Check continuity between BCM connector (A) M18, M19 terminals 12, 13, 43, 47, 48 and door switch con-
nector (B) B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 or back door latch
connector (C) D502 terminal 7.
4.
Check continuity between door switch connector (B) B8 (Front
LH), B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal
2 or back door latch connector (C) D502 terminal 7 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK DOOR SWITCHES
• Disconnect door switch harness.
• Check continuity between door switch connector terminals.
Connec-
tor
Item
Terminals
Condition
Voltage (V)
(Approx.)
( + )
( – )
M19
Back door
switch/latch
43
Ground
Open
↓
Closed
0
↓
Battery voltage
Front door
switch LH
47
Rear door
switch LH
48
M18
Front door
switch RH
12
Rear door
switch RH
13
LIIA1041E
2 - 47
:Continuity should exist
2 - 12
:Continuity should exist
2 - 48
:Continuity should exist
2 - 13
:Continuity should exist
7 - 43
:Continuity should exist
2 - Ground
:Continuity should not exist
7 - Ground
:Continuity should not exist
ALKIA0689ZZ
DLK-50
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DOOR SWITCH
Is the inspection result normal?
YES
>> Door switch circuit is OK.
NO
>> (Front and rear doors) Replace door switch.
NO
>> (Back door) GO TO 4.
4.
CHECK BACK DOOR SWITCH CIRCUIT
• Check continuity between door switch connector terminal and ground.
Is the inspection result normal?
YES
>> Replace back door switch.
NO
>> Repair or replace harness.
Switch
Terminals
Condition
Continuity
A: Door switch
(front and rear)
2 – Ground
Open
Yes
Closed
No
B: Back door switch
7 – Ground
Open
Yes
Closed
No
ALKIA0690ZZ
Connector
Terminals
Continuity
Back door switch
8 – Ground
Yes
ALKIA0691ZZ
DOOR LOCK AND UNLOCK SWITCH
DLK-51
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
DOOR LOCK AND UNLOCK SWITCH
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000001563505
Transmits door lock/unlock operation to BCM.
DRIVER SIDE : Component Function Check
INFOID:0000000001563506
1.
CHECK FUNCTION
With CONSULT-III
Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Door lock and unlock switch is OK.
NO
>> refer to
DLK-51, "DRIVER SIDE : Diagnosis Procedure"
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000001563507
1.
CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
With CONSULT-III
Check main power window and door lock/unlock switch ("CDL LOCK SW", "CDL UNLOCK SW") in DATA
MONITOR mode in CONSULT–III.
• When main power window and door lock/unlock switch is turned to LOCK:
• When main power window and door lock/unlock switch is turned to UNLOCK:
Without CONSULT-III
1.
Remove key from ignition key cylinder.
2.
Using an oscilloscope, check the signal between BCM connector M18 terminal 22 and ground when the
main power window and door lock/unlock switch is turned to LOCK or UNLOCK.
3.
Make sure the signals which are shown in the figure below can be detected during 10 seconds just after
the door lock/unlock switch is turned to LOCK or UNLOCK.
Is the inspection result normal?
YES
>> Door lock and unlock switch circuit is OK.
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
CDL LOCK SW
:ON
CDL UNLOCK SW
:ON
Connector
Terminal
Voltage (V)
( + )
( – )
M18
22
Ground
PIIA6379E
PIIA1297E
DLK-52
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DOOR LOCK AND UNLOCK SWITCH
NO
>> GO TO 2.
2.
CHECK BCM OUTPUT SIGNAL
Check ("POWER WINDOW DOWN") in ACTIVE TEST mode for "MULTI REMOTE ENT" with CONSULT–III.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace BCM. Refer to
BCS-54, "Removal and Installation"
3.
CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect main power window and door lock/unlock switch.
3.
Check continuity between main power window and door lock/
unlock switch connector D8 terminal 17 and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1.
Disconnect BCM.
2.
Check continuity between BCM connector M18 terminal 22 and main power window and door lock/unlock
switch connector D7 terminal 14.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch.
NO
>> Repair or replace harness.
PASSENGER SIDE
PASSENGER SIDE : Description
INFOID:0000000001563508
Transmits door lock/unlock operation to BCM.
PASSENGER SIDE : Component Function Check
INFOID:0000000001563509
1.
CHECK FUNCTION
When "ACTIVE TEST" is performed, the front windows
should be lowered.
17 - Ground
: Continuity should exist.
LIIA0392E
22 - 14
: Continuity should exist.
LIIA0394E
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