Nissan Pathfinder (2010 year). Instruction — part 144
LUGGAGE AREA ANTENNA
DLK-51
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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LUGGAGE AREA ANTENNA
Description
INFOID:0000000005259878
Detects whether Intelligent Key is inside the vehicle.
Component Function Check
INFOID:0000000005259879
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1. Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2. Touch “ROOM ANT2”.
3. When Intelligent Key is inside luggage area antenna detection area, hazard lamps flash.
Is the inspection result normal?
YES
>> luggage area antenna is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005259880
Regarding Wiring Diagram information, refer to
DLK-149, "Wiring Diagram — INTELLIGENT KEY SYSTEM —
1.
CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with an oscilloscope.
Is the inspection result normal?
YES
>> Luggage area antenna is OK.
NO
>> GO TO 2
2.
CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and luggage area antenna connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M164 terminals 33, 34 and luggage
area antenna harness connector (B) B129 terminals 1, 2.
Test Item
Condition
Possible cause
ROOM ANT2
An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit
• Luggage area antenna
• Between Intelligent Key unit and luggage area antenna
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
33
Ground
Ignition
switch is
pushed.
ALKIA0589ZZ
PIIB7441E
2010 Pathfinder
DLK-52
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
LUGGAGE AREA ANTENNA
3. Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 33, 34 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key unit and luggage area antenna.
3.
CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Replace luggage area 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 luggage area antenna.
NO
>> Replace Intelligent Key unit. Refer to
SEC-118, "Removal and Installation"
Intelligent Key
unit connector
Terminals
Luggage area an-
tenna connector
Terminals
Continuity
A: M164
33
B: B129
1
Yes
34
2
Item
Connector
Terminals
Continuity
Intelligent Key
unit
A: M164
33
Ground
No
34
ALKIA0590ZZ
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
33
Ground
Ignition
switch is
pushed.
ALKIA0589ZZ
PIIB7441E
2010 Pathfinder
POWER SUPPLY AND GROUND CIRCUIT
DLK-53
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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POWER SUPPLY AND GROUND CIRCUIT
INTELLIGENT KEY UNIT
INTELLIGENT KEY UNIT : Diagnosis Procedure
INFOID:0000000005259881
Regarding Wiring Diagram information, refer to
DLK-149, "Wiring Diagram — INTELLIGENT KEY SYSTEM —
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:0000000005484557
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
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
Terminal No.
Signal name
Fuses and fusible link No.
57
Battery power supply
18 (10A)
70
G (50A)
11
Ignition ACC or ON
4 (10A)
38
Ignition ON or START
1 (10A)
2010 Pathfinder
DLK-54
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
Connector
Terminals
Power
source
Condition
Voltage (V) (Ap-
prox.)
(+)
(-)
M18
11
Ground
ACC
power
supply
Ignition
switch
ACC or
ON
Battery voltage
38
Ground
Ignition
power
supply
Ignition
switch ON
or START
Battery voltage
M20
57
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
70
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
LIIA2415E
BCM
Ground
Continuity
Connector
Terminal
M20
67
Yes
LIIA0915E
2010 Pathfinder
DOOR SWITCH
DLK-55
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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DOOR SWITCH
Description
INFOID:0000000005259883
Detects door open/close condition.
Component Function Check
INFOID:0000000005259884
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:0000000005259885
Regarding Wiring Diagram information, refer to
DLK-131, "Wiring Diagram — POWER DOOR LOCK SYS-
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
2010 Pathfinder
DLK-56
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DOOR SWITCH
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 3.
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
>> (Front and rear doors) GO TO 3.
YES
>> (Back door) GO TO 4.
NO
>> Repair or replace harness.
3.
CHECK DOOR SWITCH
• Check continuity between door switch 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
3 - 43
:Continuity should exist
2 - Ground
:Continuity should not exist
3 - Ground
:Continuity should not exist
ALKIA1701ZZ
2010 Pathfinder
DOOR SWITCH
DLK-57
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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Is the inspection result normal?
YES
>> Door switch circuit is OK.
NO
>> Replace door switch.
4.
CHECK BACK DOOR LATCH CIRCUIT
• Check continuity between back door latch connector terminal 4 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK BACK DOOR LATCH SWITCH
• Check continuity between back door latch switch terminals.
Is the inspection result normal?
YES
>> Back door latch switch circuit is OK.
NO
>> Replace back door latch.
Switch
Terminals
Condition
Continuity
Door switch
2 – Ground
Open
Yes
Closed
No
ALKIA0747ZZ
Connector
Terminals
Continuity
Back door latch
4 – Ground
Yes
ALKIA1703ZZ
Switch
Terminals
Condition
Continuity
Back door latch
3 – 4
Open
Yes
Closed
No
ALKIA1702ZZ
2010 Pathfinder
DLK-58
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
GLASS HATCH AJAR SWITCH
GLASS HATCH AJAR SWITCH
Description
INFOID:0000000005259886
Detects glass hatch open/close condition.
Component Function Check
INFOID:0000000005259887
1.
CHECK FUNCTION
With CONSULT-III
Check glass hatch switch in data monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Glass hatch switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005259888
Regarding Wiring Diagram information, refer to
DLK-131, "Wiring Diagram — POWER DOOR LOCK SYS-
1.
CHECK GLASS HATCH AJAR SWITCH INPUT SIGNAL
With CONSULT-III
Check glass hatch ajar switch "GLASS HATCH SW" in DATA MONITOR mode with CONSULT–III.
• When glass hatch is open:
• When glass hatch is closed:
Without CONSULT-III
Check voltage between BCM connector M19 terminals 42 and ground.
Is the inspection result normal?
YES
>> Glass hatch ajar switch circuit is OK.
NO
>> GO TO 2
2.
CHECK GLASS HATCH AJAR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect glass hatch ajar switch and BCM.
3. Check continuity between BCM connector (A) M19 terminal 42 and glass hatch ajar switch connector (B)
D503 terminal 1.
Monitor item
Condition
GLASS HATCH SW
CLOSE
→
OPEN: OFF
→
ON
GLASS HATCH SW
:ON
GLASS HATCH SW
:OFF
Connector
Item
Terminals
Condition
Voltage (V)
(Approx.)
( + )
( – )
M19
BCM
42
Ground
Open
↓
Closed
0
↓
Battery voltage
ALKIA1708ZZ
2010 Pathfinder
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