key INFINITI QX56 2008 Factory Service Manual

REMOTE KEYLESS ENTRY RECEIVERDLK-99
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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REMOTE KEYLESS ENTRY RECEIVER
DescriptionINFOID:0000000001539006
Receives Intelligent Key operation and transmits to Intelligent Key unit.
Component Function CheckINFOID:0000000001539007
1.CHECK FUNCTION
With CONSULT-III
Check remote keyless entry receiver "RKE OPE COUN1" in Data Monitor mode with CONSULT-III.
Is the inspection result normal?
YES >> Remote keyless entry receiver is OK.
NO >> Refer to DLK-99, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001539008
1.CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check remote keyless entry receiver signal with an oscilloscope.
Is the inspection result normal?
YES >> GO TO 2
NO >> GO TO 5
2.REMOTE KEYLESS ENTRY RECEIV ER VOLTAGE CIRCUIT INSPECTION
Check voltage between remote keyless entry receiver connector M25 terminal 3 and ground using an oscillo-
scope.
Monitor item Condition
RKE OPE COUN1 Checks whether value changes when operating Intelligent Key.
Te r m i n a l s
Keyfob
condition Signal
(Reference value)
(+)
(–)
Remote
keyless
entry re- ceiver
connector Te r m i n a l
M25 2 Ground No function
Any button
is pressed
ALKIA0653ZZ
OCC3879D
OCC3880D
Revision: March 2010 2008 QX56

DLK-100
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
REMOTE KEYLESS ENTRY RECEIVER
Is the inspection result normal?
YES >> GO TO 3
NO >> GO TO 5
3.REMOTE KEYLESS ENTRY RECEIVER 5-VOLT CIRCUIT INSPECTION
Check voltage between remote keyless entry receiver connector
M25 terminal 4 and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 5
4.REMOTE KEYLESS ENTRY RECEI VER GROUND CIRCUIT INSPECTION
Check continuity between remote keyless entry receiver connector
M25 terminal 1 and ground.
Is the inspection result normal?
YES >> Replace remote keyless entry receiver. Refer to SEC-
116, "Removal and Installation".
NO >> GO TO 5
5.HARNESS INSPECTION BETWEEN INTE LLIGENT KEY UNIT AND RKE RECEIVER
1. Disconnect remote keyless entry receiver and Intelligent Key unit connectors.
2. Check continuity between Intelligent Key unit connector (A) M70 terminals 8, 9, 21, 30 and remote keyless entry receiver connec-
tor (B) M25 terminals 1, 2, 3, 4.
3. Check continuity between remote keyless entry receiver con- nector (B) M25 terminals 1, 2, 3, 4 and ground.
Te r m i n a l s
Signal
(Reference value)
(+)
(–)
Remote keyless
entry receiver
connector Te r m i n a l
M25 3 Ground
ALKIA0654ZZ
PIIA2344E
4 - Ground : Approx. 5 volt.
ALKIA0655ZZ
1 - Ground: Continuity should exist.
ALKIA0656ZZ
1 - 8: Continuity should exist.
2 - 9 : Continuity should exist.
3 - 21 : Continuity should exist.
4 - 30 : Continuity should exist.
ALKIA0657ZZ
Revision: March 2010 2008 QX56

REMOTE KEYLESS ENTRY RECEIVERDLK-101
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Is the inspection result normal?
YES >> Remote keyless entry re ceiver circuits are OK.
NO >> Repair or replace the harness between the remote keyless entry receiver and Intelligent Key unit. 1 - Ground : Continuity should not exist.
2 - Ground : Continuity should not exist.
3 - Ground : Continuity should not exist.
4 - Ground : Continuity should not exist.
Revision: March 2010
2008 QX56

DLK-102
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY BATTERY AND FUNCTION
INTELLIGENT KEY BATTERY AND FUNCTION
DescriptionINFOID:0000000001539009
The following functions are available when having and carrying electronic ID.
• Door lock/unlock
• Back door open
Remote control entry function and panic alarm functi
on are available when operating the remote buttons.
Component Function CheckINFOID:0000000001539010
1.CHECK FUNCTION
With CONSULT-III
Check remote keyless entry receiver "RKE OPE COUN1" in DATA MONITOR mode with CONSULT-III.
Is the inspection result normal?
YES >> Intelligent Key is OK.
NO >> Refer to DLK-102, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001539011
1.CHECK INTELLIGENT KEY BATTERY
Check by connecting a resistance (approximately 300 Ω) so that the
current value becomes about 10 mA.
Is the measurement value within specification?
YES >> GO TO 2
NO >> Replace Intelligent Key battery.
2.CHECK KEYFOB FUNCTION
Check keyfob function using Remote Keyless Entry Tester J-43241.
Does the test pass?
YES >> Keyfob is OK.
NO >> Replace keyfob. Refer to CONSULT-III Operation Man- ual.
Component InspectionINFOID:0000000001539012
1. REPLACE INTELLIGENT KEY BATTERY
1. Release the lock knob at the back of the Intelligent Key and remove the mechanical key.
Monitor item Condition
RKE OPE COUN1 Check that the numerical value is changing while operating the Intelligent Key.
Standard : Approx. 2.5 - 3.0V
OCC0607D
LEL946A
Revision: March 2010 2008 QX56

INTELLIGENT KEY BATTERY AND FUNCTIONDLK-103
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2. Insert a flat-blade screwdriver (A) wrapped with a cloth into the slit of the corner and twist it to separate the upper part from the
lower part.
CAUTION:
• Do not touch the circuit board or battery terminal.
• The keyfob is water-resistant. However, if it does get wet,immediately wipe it dry.
3. Replace the battery with new one.
4. Align the tips of the upper and lower parts, and then push them together until it is securely closed.
CAUTION:
• When replacing battery, keep dirt, grease, and other for-eign materials off the electrode contact area.
5. After replacing the battery, check that all Intelligent Key func- tions work properly.
Is the inspection result normal?
YES >> Intelligent Key is OK.
NO >> Check remote keyless entry receiver. Refer to DLK-99,
"ComponentFunctionCheck".
Special Repair RequirementINFOID:0000000001539013
Refer to CONSULT-III Operation Manual.
PIIB6221E
PIIB6222E
Revision: March 2010 2008 QX56

DLK-104
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
HORN FUNCTION
HORN FUNCTION
DescriptionINFOID:0000000001539014
Perform answer-back for each operation with horn.
Component Function CheckINFOID:0000000001539015
1.CHECK FUNCTION
1. Select "HORN" in “ACTIVE TEST” mode with CONSULT-III.
2. Check the horn (high/low) operation.
Is the operation normal?
YES >> Inspection End.
NO >> Go to DLK-104, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000001539016
1.CHECK HORN FUNCTION
Check horn function with horn switch
Do the horns sound?
YES >> GO TO 2
NO >> Go to HRN-4, "
Wiring Diagram".
2.CHECK HORN RELAY POWER SUPPLY
1. Turn ignition switch ON.
2. Perform “ACTIVE TEST”, "HORN" with CONSULT-Ill.
3. Using an oscilloscope or analog voltmeter, check voltage between horn relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 3
3.CHECK HORN RELAY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay connector.
Test item Description
HORN ON Horn relay ON (for 20 ms)
ALKIA0658ZZ
Horn relay
Ground Test item Voltage (V)
(Approx.)
Connector Terminal
H-1 1 Ground HORN ON
Battery voltage → 0 → Battery voltage
Other than above Battery voltage
Revision: March 2010 2008 QX56

HORN FUNCTIONDLK-105
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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3. Check continuity between IPDM E/R harness connector and horn relay harness connector.
4. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-34, "Removal and Installation of IPDM E/R".
NO >> Repair or replace the malfunctioning part.
WIIA0679E
IPDM E/R Horn relay
Continuity
Connector TerminalConnector Terminal
E122 45H-1 1Yes
IPDM E/R GroundContinuity
Connector Terminal
E122 45Ground No
Revision: March 2010 2008 QX56

DLK-106
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
COMBINATION METER DISPLAY FUNCTION
COMBINATION METER DISPLAY FUNCTION
DescriptionINFOID:0000000001539017
Displays each operation method guide and warning for system malfunction.
Component Function CheckINFOID:0000000001539018
1.CHECK FUNCTION
1. Turn ignition switch ON.
2. Open driver door.
Does the open door message appear on the LCD display?
YES >> Meter information display is OK.
NO >> Refer to DLK-106, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001539019
1.CHECK COMBINATION METER
Refer to MWI-62, "
DTC Index".
Is the inspection result normal?
YES >> GO TO 2
NO >> Check combination meter. Refer to MWI-4, "
Work Flow".
2.CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
>> Inspection End.
Revision: March 2010 2008 QX56

WARNING CHIME FUNCTIONDLK-107
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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WARNING CHIME FUNCTION
DescriptionINFOID:0000000001539020
Performs operation method guide and warning with buzzer.
Component Function CheckINFOID:0000000001539021
1.CHECK FUNCTION
With CONSULT-III
1. Check the operation with "INSIDE BUZZER" in the Active Test.
2. Touch “TAKE OUT”, “KNOB”or “KEY” on screen.
Is the inspection result normal?
Yes >> Warning buzzer into combination meter is OK.
No >> Refer to DLK-107, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001539022
1.CHECK METER BUZZER CIRCUIT
The inoperative warning chime is contained inside the combination meter. Replace combination meter. Refer
to MWI-76, "
Removal and Installation".
>> Inspection End.
Revision: March 2010 2008 QX56

DLK-108
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
HAZARD FUNCTION
HAZARD FUNCTION
DescriptionINFOID:0000000001539023
Perform answer-back for each operation with number of blinks.
Component Function CheckINFOID:0000000001539024
1.CHECK FUNCTION
Check hazard warning lamp "FLASHER" in ACTIVE TEST.
Is the inspection result normal?
YES >> Hazard warning lamp circuit is OK.
NO >> Refer to DLK-108, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001539025
1.CHECK HAZARD SWITCH CIRCUIT
Operate the hazard lights by turni ng ON the hazard warning switch.
Do the lights operate normally?
YES >> Replace the BCM. Refer to BCS fo r replacement and configuration procedure.
NO >> Repair or replace hazard warning switch circuit. Refer to EXL-68, "
Wiring Diagram".
Revision: March 2010 2008 QX56