Nissan Pathfinder (2009 year). Manual — part 155
INSIDE KEY ANTENNA 1 (INSTRUMENT PANEL)
DLK-49
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
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A
B
DLK
N
O
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INSIDE KEY ANTENNA 1 (INSTRUMENT PANEL)
Description
INFOID:0000000003938143
Detects whether Intelligent Key is inside the vehicle.
Component Function Check
INFOID:0000000003938144
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1.
Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2.
Touch “INSIDE KEY ANTENNA 1”.
3.
When Intelligent Key is inside key antenna (instrument panel) detection area, hazard lamps flash.
Is the inspection result normal?
YES
>> Inside key antenna 1 (instrument panel) is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000003938145
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
>> Inside key antenna 1 (instrument panel) is OK.
NO
>> GO TO 2
2.
CHECK INSIDE KEY ANTENNA
1.
Disconnect Intelligent Key unit connector and inside key antenna 1 (instrument panel) connectors.
2.
Check continuity between Intelligent Key unit harness connector (A) M164 terminals 15, 16 and inside key
antenna 1 (instrument panel) harness connector (B) M68 terminals 1, 2.
3.
Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 15, 16 and ground.
Test Item
Condition
Possible cause
INSIDE KEY ANTENNA 1
An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit
• Inside key antenna 1 (instrument panel)
• Between Intelligent Key unit and inside key antenna 1 (in-
strument panel)
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
15
Ground
Ignition
switch is
pushed.
ALKIA0585ZZ
PIIB7441E
Intelligent Key
unit connector
Terminals
Inside key antenna
1 (instrument panel)
connector
Terminals
Continuity
A: M164
15
B: M68
1
Yes
16
2
ALKIA0586ZZ
2009 Pathfinder
DLK-50
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 1 (INSTRUMENT PANEL)
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key unit and inside key antenna 1 (instrument
panel).
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 1 (instrument panel).
NO
>> Replace Intelligent Key unit. Refer to
SEC-119, "Removal and Installation"
Item
Connector
Terminals
Continuity
Intelligent Key
unit
A: M164
15
Ground
No
16
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
15
Ground
Ignition
switch is
pushed.
ALKIA0585ZZ
PIIB7441E
2009 Pathfinder
INSIDE KEY ANTENNA 2 (CENTER CONSOLE)
DLK-51
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
INSIDE KEY ANTENNA 2 (CENTER CONSOLE)
Description
INFOID:0000000003938146
Detects whether Intelligent Key is inside the vehicle.
Component Function Check
INFOID:0000000003938147
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1.
Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2.
Touch “INSIDE KEY ANTENNA 2”.
3.
When Intelligent Key is inside key antenna (center console) detection area, hazard lamps flash.
Is the inspection result normal?
YES
>> Inside key antenna 2 (center console) is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000003938148
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
>> Inside key antenna 2 (center console) is OK.
NO
>> GO TO 2
2.
CHECK INSIDE KEY ANTENNA
1.
Disconnect Intelligent Key unit connector and inside key antenna 2 (center console) connectors.
2.
Check continuity between Intelligent Key unit harness connector (A) M164 terminals 13, 14 and inside key
antenna 2 (center console) harness connector (B) M212 terminals 1, 2.
3.
Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 13, 14 and ground.
Test Item
Condition
Possible cause
INSIDE KEY ANTENNA 2
An excessive high or low voltage from inside
antenna is sent to the Intelligent Key unit
• Inside key antenna 2 (center console)
• Between Intelligent Key unit and inside key antenna 2
(center console)
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
13
Ground
Ignition
switch is
pushed.
ALKIA0583ZZ
PIIB7441E
Intelligent Key
unit connector
Terminals
Inside key antenna
2 (center console)
connector
Terminals
Continuity
A: M164
13
B: M212
1
Yes
14
2
ALKIA0584ZZ
2009 Pathfinder
DLK-52
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 2 (CENTER CONSOLE)
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key unit and inside key antenna 2 (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 2 (center console).
NO
>> Replace Intelligent Key unit. Refer to
SEC-119, "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
2009 Pathfinder
INSIDE KEY ANTENNA 3 (3RD ROW SEAT)
DLK-53
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
INSIDE KEY ANTENNA 3 (3RD ROW SEAT)
Description
INFOID:0000000003938149
Detects whether Intelligent Key is inside the vehicle.
Component Function Check
INFOID:0000000003938150
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1.
Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2.
Touch “LUG Ant”.
3.
When Intelligent Key is inside key antenna 3 (3rd row seat) detection area, hazard lamps flash.
Is the inspection result normal?
YES
>> Inside key antenna 3 (3rd row seat) is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000003938151
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
>> Inside key antenna 3 (3rd row seat) is OK.
NO
>> GO TO 2
2.
CHECK INSIDE KEY ANTENNA
1.
Disconnect Intelligent Key unit connector and inside key antenna 3 (3rd row seat) connectors.
2.
Check continuity between Intelligent Key unit harness connector (A) M164 terminals 33, 34 and inside key
antenna 3 (3rd row seat) harness connector (B) B129 terminals 1, 2.
3.
Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 33, 34 and ground.
Test Item
Condition
Possible cause
LUG Ant
An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit
• Inside key antenna 3 (3rd row seat)
• Between Intelligent Key unit and inside key antenna 3
(3rd row seat)
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
33
Ground
Ignition
switch is
pushed.
ALKIA0589ZZ
PIIB7441E
Intelligent Key
unit connector
Terminals
Inside key antenna
3 (3rd row seat)
connector
Terminals
Continuity
A: M164
33
B: B129
1
Yes
34
2
ALKIA0590ZZ
2009 Pathfinder
DLK-54
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 3 (3RD ROW SEAT)
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key unit and inside key antenna 3 (3rd row seat).
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 (3rd row seat).
NO
>> Replace Intelligent Key unit. Refer to
SEC-119, "Removal and Installation"
Item
Connector
Terminals
Continuity
Intelligent Key
unit
A: M164
33
Ground
No
34
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
33
Ground
Ignition
switch is
pushed.
ALKIA0589ZZ
PIIB7441E
2009 Pathfinder
POWER SUPPLY AND GROUND CIRCUIT
DLK-55
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
INTELLIGENT KEY UNIT
INTELLIGENT KEY UNIT : Diagnosis Procedure
INFOID:0000000003938152
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:0000000004404651
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK 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
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)
2009 Pathfinder
DLK-56
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND 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
2009 Pathfinder
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