center console INFINITI QX56 2009 Factory User Guide

DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)DLK-57
< FUNCTION DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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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 itemDescription
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: Inside key antenna (front of center console) detects Intelligent Key,
when “ROOM ANT1” is selected.
• ROOM ANT2: Inside key antenna (rear luggage area) detects Intelligent Key, when “ROOM ANT2”is selected.
• ROOM ANT3: Inside key antenna (rear of center console) detects Intelligent Key,
when “ROOM ANT3” is selected.
• ROOM ANT4: Inside key antenna (roof console) detects Intelligent Key, when “ROOM ANT4”is selected.
• DRIVER ANT: Outside key antenna (driver side) detects Intelligent Key, when “DRIV- ER ANT” is selected.
• ASSIST ANT: Outside key antenna (passenger side) detects Intelligent Key, when
“ASSIST ANT” is selected.
• BK DOOR ANT: Outside key antenna (rear bumper) detects Intelligent Key, when “BK DOOR 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
Revision: December 20092009 QX56

DLK-60
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 1 (RE
AR OF CENTER CONSOLE)
INSIDE KEY ANTENNA 1 (REAR OF CENTER CONSOLE)
DescriptionINFOID:0000000003775714
Detects whether Intelligent Key is inside the vehicle.
Component Function CheckINFOID:0000000003775715
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 (rear of center console) detection area, hazard lamps flash.
Is the inspection result normal?
YES >> Inside key antenna 1 (rear of center console) is OK.
NO >> Refer to DLK-60, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003775716
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 (rear of center console) is OK.
NO >> GO TO 2
2.CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and inside key antenna 1 (rear of center console) connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 15, 16 and inside key antenna 1 (rear of center console) har ness connector (B) M209 terminals 1, 2.
3. Check continuity between Inte lligent Key unit harness connector
(A) M70 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 (rear of center console)
• Between Intelligent Key unit and inside key antenna 1
(rear of center console)
Connector Item Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 Intelligent
Key unit 15 Ground Ignition
switch is
pushed.
ALKIA0585ZZPIIB7441E
Intelligent Key
unit connector
Te r m i n a l sInside key antenna
1 (rear of center
console) connector Terminals Continuity
A: M70 15
B: M209 1
Ye s
16 2
ALKIA0586ZZ
Revision: December 20092009 QX56

INSIDE KEY ANTENNA 1 (REAR OF CENTER CONSOLE)DLK-61
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness between Intelligent Key unit and inside key antenna 1 (rear of 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 1 (rear of center console).
NO >> Replace Intelligent Key unit. Refer to S E C - 111 , "
Removal and Installation".
Item ConnectorTerminalsContinuity
Intelligent Key unit A: M70 15
Ground No
16
Connector Item Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 Intelligent
Key unit 15 Ground Ignition
switch is
pushed.
ALKIA0585ZZ
PIIB7441E
Revision: December 20092009 QX56

DLK-64
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 3 (FRONT OF CENTER CONSOLE)
INSIDE KEY ANTENNA 3 (FRO
NT OF CENTER CONSOLE)
DescriptionINFOID:0000000003775720
Detects whether Intelligent Key is inside the vehicle.
Component Function CheckINFOID:0000000003775721
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 3”.
3. When Intelligent Key is inside key antenna (front of center console) detection area, hazard lamps flash.
Is the inspection result normal?
YES >> Inside key antenna 3 (front of center console) is OK.
NO >> Refer to DLK-64, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003775722
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 (front of center console) is OK.
NO >> GO TO 2
2.CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and inside key antenna 3 (front of center console) connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 13, 14 and inside key antenna 3 (front of center console) har ness connector (B) M210 terminals 1, 2.
3. Check continuity between Inte lligent Key unit harness connector
(A) M70 terminals 13, 14 and ground.
Test Item Condition Possible cause
INSIDE KEY ANTENNA 3 An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit • Inside key antenna 3 (front of center console)
• Between Intelligent Key unit and inside key antenna 3
(front of center console)
Connector Item Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 Intelligent
Key unit 13 Ground Ignition
switch is
pushed.
ALKIA0583ZZPIIB7441E
Intelligent Key
unit connector
Te r m i n a l sInside key antenna
3 (front of center
console) connector Terminals Continuity
A: M70 13
B: M210 1
Ye s
14 2
ALKIA0584ZZ
Revision: December 20092009 QX56

INSIDE KEY ANTENNA 3 (FRONT OF CENTER CONSOLE)
DLK-65
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness between Intelligent Key unit and inside key antenna 3 (front of 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 (front of center console).
NO >> Replace Intelligent Key unit. Refer to S E C - 111 , "
Removal and Installation".
Item ConnectorTerminalsContinuity
Intelligent Key unit A: M70 13
Ground No
14
Connector Item Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 Intelligent
Key unit 13 Ground Ignition
switch is
pushed.
ALKIA0583ZZ
PIIB7441E
Revision: December 20092009 QX56

DLK-208
< SYMPTOM DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
DOOR LOCK FUNCTION SYMPTOMS
INTELLIGENT KEY
INTELLIGENT KEY : Symptom TableINFOID:0000000003775835
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
DLK-
6, "Work Flow".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check syst ems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• Ignition switch is not depressed.
• All doors are closed.
Auto lock function does not operate properly. 1.
Check “AUTO RELOCK TIMER” setting in “WORK SUP-
PORT”. DLK-52
2. Key switch check (BCM).
DLK-115
3. Ignition knob switch check.DLK-116
4. Door switch check. DLK-71
5. Replace Intelligent Key unit.SEC-111
Key reminder function does not operate properly.1.
Check “ANTI KEY LOCK IN FUNCTION” setting in
“WORK SUPPORT”.
DLK-52
2. Door switch check.
DLK-71
3a. Inside key antenna 1 (rear of center console) check. DLK-60
3b. Inside key antenna 2 (luggage compartment) check.DLK-62
3c. Inside key antenna 3 (front of center console) check.DLK-64
3d. Inside key antenna 4 (overhead console area) check. DLK-66
4. Front door lock actuator LH (door unlock sensor) check.DLK-81
5. Intelligent Key battery and function inspection.DLK-106
6. Replace Intelligent Key unit. SEC-111
Vehicle speed sensing auto LOCK operation does
not operate.1.
Ensure automatic door lock/unlock function (lock opera-
tion) is enabled. DLK-56
2. Check combination meter vehicle speed signal.
MWI-29
3. Check intermittent incident. GI-38
Ignition OFF interlock door UNLOCK function does
not operate.1.
Ensure automatic door lock/unlock function (unlock oper-
ation) is enabled. DLK-56
2. Check BCM for DTC.
BCS-51
3. Check intermittent incident. GI-38
SymptomDiagnosis/service procedureReference page
Symptom Diagnosis/service procedureReference
page
All of the remote keyless entry functions do not
operate. 1. Intelligent Key battery and function inspection.
DLK-106
2. Remote Keyless Entry function check.DLK-103
3. Replace Intelligent Key unit. SEC-111
Selective unlock function does not operate by In-
telligent Key remote control button.1.
Check “SELECT UNLOCK FUNCTION” setting in “WORK SUP-
PORT”.
DLK-56
2. Intelligent Key battery inspection.
DLK-106
3. Replace Intelligent Key unit. SEC-111
Revision: December 20092009 QX56

DOOR LOCK FUNCTION SYMPTOMSDLK-209
< SYMPTOM DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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Auto lock function does not operate properly. 1. Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.
DLK-56
2. Key switch check (BCM).DLK-115
3. Ignition knob switch check.DLK-116
4. Door switch check. DLK-71
5. Replace Intelligent Key unit.SEC-111
Key reminder function does not operate properly.1.
Check “ANTI KEY LOCK IN FUNCTION” setting in “WORK
SUPPORT”.
DLK-56
2. Door switch check.
DLK-71
3a. Inside key antenna 1 (rear of center console) check.DLK-60
3b. Inside key antenna 2 (luggage compartment) check.DLK-62
3c. Inside key antenna 3 (front of center console) check.DLK-64
3d. Inside key antenna 4 (overhead console area) check.DLK-66
4. Front door lock actuator LH (door unlock sensor) check.DLK-81
5. Intelligent Key battery inspection.DLK-106
6. Replace Intelligent Key unit. SEC-111
Panic alarm function does not operate properly.1. Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.
DLK-56
2. Theft warning operation check.DLK-212
3. Intelligent Key battery inspection.DLK-106
4. Key switch check (BCM). DLK-115
5. Ignition knob switch check.DLK-116
6. Replace Intelligent Key unit.SEC-111
Back door open function does not operate prop-
erly.1. Back door diagnosis.
DLK-1232. Intelligent Key battery inspection.DLK-106
3. Replace Intelligent Key unit. SEC-111
Power window down function does not operate.1. Check “PW DOWN SET” setti
ng in “WORK SUPPORT”. DLK-562. Intelligent Key battery inspection. DLK-106
SymptomDiagnosis/service procedureReference
page
Revision: December 20092009 QX56

WARNING FUNCTION SYMPTOMSDLK-213
< SYMPTOM DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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Take away warning
does not operate. Door open to close
1. Check door switch.
DLK-71
2. Check inside key antennas (1, 2, 3, 4).Rear of center console
DLK-60Luggage compartmentDLK-62
Front of center consoleDLK-64
Overhead console areaDLK-66
3. Check Intelligent Key warning buzzer. DLK-95
4. Check warning chime function.D L K - 111
5. Check ignition knob switch.DLK-116
6. Check combination meter display function.DLK-110
7. Check Intermittent Incident. GI-38
Push-button igni-
tion switch opera-
tion1. Check ignition knob switch.
DLK-1162. Check inside key antennas (1, 2, 3, 4).Rear of center console
DLK-60Luggage compartmentDLK-62
Front of center consoleDLK-64
Overhead console areaDLK-66
3. Check warning chime function. D L K - 111
4. Check combination meter display function.DLK-110
5. Check Intermittent Incident. GI-38
Door is open1. Check ignition knob switch.
DLK-1162. Check inside key antennas (1, 2, 3, 4).Rear of center console
DLK-60Luggage compartmentDLK-62
Front of center consoleDLK-64
Overhead console areaDLK-66
3. Check combination meter display function. DLK-110
4. Check Intermittent Incident. GI-38
Take away through
window1.
Check “TAKE OUT FROM WIN WARN” setting in “WORK SUP-
PORT”.
DLK-56
2. Check inside key antennas (1, 2, 3, 4).Rear of center console
DLK-60Luggage compartmentDLK-62
Front of center consoleDLK-64
Overhead console areaDLK-66
3. Check warning chime function. D L K - 111
4. Check ignition knob switch.DLK-116
5. Check combination meter display function.DLK-110
6. Check Intermittent Incident. GI-38
Key warning chime does not operate.1. Check door switch.
DLK-71
2. Check warning chime function.D L K - 111
3. Check ignition knob switch.DLK-116
4. Check combination meter display function.DLK-110
5. Check Intermittent Incident. GI-38
SymptomDiagnosis/service procedure Reference
page
Revision: December 20092009 QX56

DLK-214
< SYMPTOM DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
WARNING FUNCTION SYMPTOMS
Door lock operation warning chime does
not operate.1. Check door switch.
DLK-71
2. Check ignition knob switch.DLK-116
3. Check Intelligent Key warning buzzer. DLK-95
4. Check inside key antennas (1, 2, 3, 4).Rear of center console
DLK-60Luggage compartmentDLK-62
Front of center consoleDLK-64
Overhead console areaDLK-66
5. Check Intermittent Incident. GI-38
SymptomDiagnosis/service procedure Reference
page
Revision: December 20092009 QX56

KEY REMINDER FUNCTION SYMPTOMSDLK-215
< SYMPTOM DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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KEY REMINDER FUNCTION SYMPTOMS
Symptom TableINFOID:0000000003775840
KEY REMINDER FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Work flow”. Refer to DLK-6, "
Work Flow".
• If the following symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column in this order.
Conditions of Vehicle (Operating Conditions)
• “LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-III.
• “ANSWER BACK FUNCTION” is ON when setting on CONSULT-III.
• Ignition switch is in OFF position.
• All doors are closed.
• Ignition switch is not depressed.
Symptom Diagnosis/service procedureReference page
Key reminder function does not operate. 1.
Check “ANTI KEY LOCK IN FUNCTI”setting in “WORK SUP-
PORT”. DLK-56
2. Check door switch.
DLK-71
3. Check inside key antennas (1, 2, 3, 4)Rear of center console
DLK-60Luggage compartmentDLK-62
Front of center consoleDLK-64
Overhead console areaDLK-66
4. Check unlock sensor. DLK-81
5. Check Intelligent Key battery inspection.DLK-106
6. Check Intermittent Incident. GI-38
Revision: December 20092009 QX56