Nissan Pathfinder (2010 year). Instruction — part 143
DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
DLK-43
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
CONSULT-III Function (INTELLIGENT KEY)
INFOID:0000000005259865
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with Intelligent Key unit.
SELF-DIAG RESULT
DATA MONITOR
Diagnosis mode
Function Description
SELF-DIAG RESULTS
Displays the diagnosis results judged by Intelligent Key unit.
DATA MONITOR
The Intelligent Key unit input/output signals are displayed.
ACTIVE TEST
The signals used to activate each device are forcibly supplied from Intelligent Key unit.
ECU IDENTIFICATION
The Intelligent Key unit part number is displayed.
Monitor Item
Condition
PUSH SW
Indicates [ON (pushed)/OFF (released)] condition of ignition knob switch.
KEY SW
Indicates [ON (inserted)/OFF (removed)] condition of key switch.
DR REQ SW
Indicates [ON (pressed)/OFF (released)] condition of door request switch (driver side).
AS REQ SW
Indicates [ON (pressed)/OFF (released)] condition of door request switch (passenger
side).
BD/TR REQ SW
This item is shown but not monitored.
IGN SW
Indicates [ON (ON or START position)/OFF (other than ON and START position)] con-
dition of ignition switch ON position.
ACC SW
Indicates [ON/OFF] condition of ignition switch ACC position.
STOP LAMP SW
Indicates [ON/OFF] condition of stop lamp switch.
P RANGE SW
Indicates [ON/OFF] position of shift lever park position switch.
BD OPEN SW
This item is shown but not monitored.
TR CANCEL SW
This item is shown but not monitored.
DOOR LOCK SIG
Indicates [ON/OFF] condition of LOCK signal from Intelligent Key.
DOOR UNLOCK SIG
Indicates [ON/OFF] condition of UNLOCK signal from Intelligent Key.
KEYLESS TRUNK
This item is shown but not monitored.
KEYLESS PANIC
Indicates [ON (pressed)/OFF (released)] condition of Intelligent Key panic button.
KEYLS PSD LH
This item is shown but not monitored.
KEYLS PSD RH
This item is shown but not monitored.
KEYLS PBD SIG
Indicates [ON (pressed)/OFF (released)] condition of Intelligent Key back door button.
DOOR SW DR
Indicates [OPEN/CLOSE] condition of front door switch (driver side) from BCM via CAN
communication.
DOOR SW AS
Indicates [OPEN/CLOSE] condition of front door switch (passenger side) from BCM via
CAN communication.
DOOR SW RR
Indicates [OPEN/CLOSE] condition of rear door switch (RH) from BCM via CAN com-
munication.
DOOR SW RL
Indicates [OPEN/CLOSE] condition of rear door switch (LH) from BCM via CAN com-
munication.
DOOR BK SW
Indicates [OPEN/CLOSE] condition of back door switch from BCM via CAN communi-
cation.
2010 Pathfinder
DLK-44
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
ACTIVE TEST
TRUNK SW
This item is shown but not monitored.
VEHICLE SPEED
Displays the vehicle speed signal received from combination meter by numerical value
[km/h].
Monitor Item
Condition
Test item
Description
DOOR LOCK/UNLOCK
This test is able to check door lock/unlock operation.
• ALL UNLK: All door lock actuators are unlocked.
• DR UNLK: Door lock actuator (driver side) is unlocked.
• AS UNLK: Door lock actuator (passenger side) is unlocked.
• BK UNLK: This item is indicated, but inactive.
• LOCK: All door lock actuator is locked.
ANTENNA
This test is able to check Intelligent Key antenna operation.
When the following condition are met, hazard warning lamps flash.
• ROOM ANT1: Instrument panel area antenna detects Intelligent Key when “ROOM ANT1” is selected.
• ROOM ANT2: Center console and luggage area antennas detect Intelligent Key when “ROOM ANT2”is
selected.
• LUG ANT:This selection is not used.
• DRIVER ANT: Outside key antenna (driver side) detects Intelligent Key when “DR ANT” is selected.
• ASSIST ANT: Outside key antenna (passenger side) detects Intelligent Key when “AS ANT” is selected.
• BK DOOR ANT: Outside key antenna (rear bumper) detects Intelligent Key when “BK DR ANT” is selected.
OUTSIDE BUZZER
This test is able to check Intelligent Key warning buzzer operation.
• ON
• OFF
INSIDE BUZZER
This test is able to check warning chime in combination meter operation.
• TAKE OUT: Take away warning chime sounds.
• KNOB: Ignition knob switch warning chime sounds.
• KEY: Key warning chime sounds.
• OFF
INDICATOR
This test is able to check Intelligent Key warning lamps operation.
• Green "KEY" warning lamp illuminates when "BLUE ON" on CONSULT-III screen is touched.
• Red "KEY" warning lamp illuminates when "RED ON" on CONSULT-III screen is touched.
• Shift to park warning lamp illuminates when "KNOB ON" on CONSULT-III screen is touched.
• Green "KEY" warning lamp flashes when "BLUE IND" on CONSULT-III screen is touched.
• Red "KEY" warning lamp flashes when "RED IND" on CONSULT-III screen is touched.
• Shift to park warning lamp (P-SHIFT) flashes when "KNOB IND" on CONSULT-III screen is touched.
• OFF
2010 Pathfinder
U1000 CAN COMM CIRCUIT
DLK-45
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000005259866
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN H-line, CAN L-line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-53, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000005259867
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000005259868
1.
PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 second or more.
2. Check “Self Diagnostic Result”.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-5, "CAN Communication Control Circuit"
.
NO
>> Refer to
GI-37, "Intermittent Incident"
.
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When BCM cannot communicate CAN com-
munication signal continuously for 2 sec-
onds or more.
In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
• Transmission
• Receiving (ECM)
• Receiving (VDC/TCS/ABS)
• Receiving (METER/M&A)
• Receiving (TCM)
2010 Pathfinder
DLK-46
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000005259869
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000005259870
1.
REPLACE BCM
When DTC [U1010] is detected, replace BCM. Refer to
BCS-59, "Removal and Installation"
.
>> Replace BCM.
Special Repair Requirement
INFOID:0000000005259871
1.
REQUIRED WORK WHEN REPLACING BCM
The BCM must be initialized when replaced. Refer to (Body Control System) for BCM configuration.
Initialize NVIS by CONSULT-III. For the details of initialization, refer to CONSULT-III Operation Instruction.
>> Work End.
DTC
CONSULT-III display de-
scription
DTC Detection Condition
Possible cause
U1010
CONTROL UNIT (CAN)
BCM detected internal CAN communication circuit malfunction.
BCM
2010 Pathfinder
INSTRUMENT PANEL AREA ANTENNA
DLK-47
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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INSTRUMENT PANEL AREA ANTENNA
Description
INFOID:0000000005259872
Detects whether Intelligent Key is inside the vehicle.
Component Function Check
INFOID:0000000005259873
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1. Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2. Touch “ROOM ANT1”.
3. When Intelligent Key is inside instrument panel area antenna detection area, hazard lamps flash.
Is the inspection result normal?
YES
>> Instrument panel area antenna is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005259874
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
>> Instrument panel area antenna is OK.
NO
>> GO TO 2
2.
CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and instrument panel area antenna connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M164 terminals 15, 16 and instru-
ment panel area antenna harness connector (B) M68 terminals 1, 2.
Test Item
Condition
Possible cause
ROOM ANT1
An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit
• Instrument panel area antenna
• Between Intelligent Key unit and instrument panel area
antenna
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
15
Ground
Ignition
switch is
pushed.
ALKIA0585ZZ
PIIB7441E
2010 Pathfinder
DLK-48
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INSTRUMENT PANEL AREA ANTENNA
3. Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 15, 16 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key unit and instrument panel area antenna.
3.
CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Replace instrument panel 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 instrument panel area antenna.
NO
>> Replace Intelligent Key unit. Refer to
SEC-118, "Removal and Installation"
Intelligent Key
unit connector
Terminals
Instrument panel
area antenna con-
nector
Terminals
Continuity
A: M164
15
B: M68
1
Yes
16
2
Item
Connector
Terminals
Continuity
Intelligent Key
unit
A: M164
15
Ground
No
16
ALKIA0586ZZ
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
15
Ground
Ignition
switch is
pushed.
ALKIA0585ZZ
PIIB7441E
2010 Pathfinder
CENTER CONSOLE AREA ANTENNA
DLK-49
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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CENTER CONSOLE AREA ANTENNA
Description
INFOID:0000000005259875
Detects whether Intelligent Key is inside the vehicle.
Component Function Check
INFOID:0000000005259876
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 center console area antenna detection area, hazard lamps flash.
Is the inspection result normal?
YES
>> Center console area antenna is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005259877
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
>> Center console area antenna is OK.
NO
>> GO TO 2
2.
CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and center console area antenna connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M164 terminals 13, 14 and center
console area antenna harness connector (B) M212 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
• Center console area antenna
• Between Intelligent Key unit and center console area an-
tenna
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
13
Ground
Ignition
switch is
pushed.
ALKIA0583ZZ
PIIB7441E
2010 Pathfinder
DLK-50
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
CENTER CONSOLE AREA ANTENNA
3. Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 13, 14 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key unit and center console area antenna.
3.
CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Replace center console 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 center console area antenna.
NO
>> Replace Intelligent Key unit. Refer to
SEC-118, "Removal and Installation"
Intelligent Key
unit connector
Terminals
Center console area
antenna connector
Terminals
Continuity
A: M164
13
B: M212
1
Yes
14
2
Item
Connector
Terminals
Continuity
Intelligent Key
unit
A: M164
13
Ground
No
14
ALKIA0584ZZ
Connector
Item
Terminals
Condition
Signal (V)
(Reference value)
(+)
(–)
M164
Intelligent
Key unit
13
Ground
Ignition
switch is
pushed.
ALKIA0583ZZ
PIIB7441E
2010 Pathfinder
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