2006 INFINITI QX56 Factory Service Manual

fuel consumption remote start navigation wipers ECU oil

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INFINITI QX56 2006 Factory Service Manual BL-60
REMOTE KEYLESS ENTRY SYSTEM
Revision: November 20092006 QX56
3. CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 terminal 67 and
ground.
OK or NG
OK >> Power supply and ground cir

BL-60
REMOTE KEYLESS ENTRY SYSTEM
Revision: November 20092006 QX56
3. CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 terminal 67 and
ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Repair or replace harness.
Trouble DiagnosesEIS00601
SYMPTOM CHART
NOTE:
Always check the "Trouble Diagnosis Procedure" before troubleshooting. Refer to BL-59, "Trouble Diag-
nosis Procedure" .
Always check keyfob battery before replacing keyfob. Refer to BL-65, "Keyfob Battery and Function
Check" .
The panic alarm operation and power back door opener operation of remote keyless entry system do not
activate with the ignition key inserted in the ignition key cylinder.
Use Remote Keyless Entry Tester J-43241 (follow instructions on tester) to check operation of keyfob
before replacing keyfob.
ConnectorTerminals
Continuity
(+) (-)
M20 67Ground Yes
LIIA1040E
Symptom Diagnoses/service procedureReference
page
All functions of remote keyless entry system do not
operate. 1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning. BL-65
2. Check BCM and keyless receiver.
BL-66
The new ID of keyfob cannot be entered.1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.
BL-652. Key switch and key lock solenoid (insert) check
BL-62
3. Door switch checkBL-63
4. ACC power checkBL-68
5. Replace BCM.BCS-20
Door lock or unlock does not function.
(If the power door lock system does not operate
manually, check power door lock system. Refer to
BL-16, "
POWER DOOR LOCK SYSTEM" )1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.
BL-65
2. Replace BCM.
BCS-20
Hazard and horn reminder does not activate prop-
erly when pressing lock or unlock button of keyfob.1. Check hazard and horn reminder mode with CONSULT-II
NOTE:
Hazard and horn reminder mode can be changed.
First check the hazard and horn reminder mode setting.
BL-57,
"Active
Te s t"
2. Door switch check
BL-63
3. Replace BCM.BCS-20

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Hazard reminder does not activate properly when
pressing lock or unlock button of keyfob.
(Horn reminder O

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Hazard reminder does not activate properly when
pressing lock or unlock button of keyfob.
(Horn reminder OK)1. Check hazard reminder mode with CONSULT-II
NOTE:
Hazard reminder mode can be changed.
First check the hazard reminder mode setting.
BL-57
2. Check hazard function with hazard switch
—
3. Replace BCM. BCS-20
Horn reminder does not activate properly when
pressing lock or unlock button of keyfob.
(Hazard reminder OK)1. Check horn reminder mode with CONSULT-II
NOTE:
Horn reminder mode can be changed.
First check the horn reminder mode setting.
BL-57
2. Check horn function with horn switch
—
3. IPDM E/R operation check BL-68
4. Replace BCM.BCS-20
Back door open/close operation is not carried out
with keyfob operation.
(The automatic back door system is normal.)1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.
BL-65
2. Key switch (insert) check
BL-62
3. Check that glass hatch is closed —
4. Remote keyless entry receiver system BL-66
5. Replace BCM.BCS-20
Room lamp, ignition keyhole illumination and step
lamp operation do not activate properly.1. Room lamp operation check
BL-70
2. Ignition keyhole illumination operation checkBL-70
3.Step lamp operation checkLT- 1 3 5
4. Door switch check BL-63
5. Replace BCM.BCS-20
Panic alarm (horn and headlamp) does not activate
when panic alarm button is continuously pressed.1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning. BL-65
2. Key switch and key lock solenoid (insert) check
BL-62
3. Replace BCM.BCS-20
Auto door lock operation does not activate properly.
(All other remote keyless entry functions OK.)1. Check auto door lock operation mode with CONSULT-II
NOTE:
Auto door lock operation mode can be changed.
First check the auto door lock operation mode setting.
BL-57
2. Replace BCM.
BCS-20
Keyless power window down (open) operation does
not activate properly.
(All other remote keyless entry functions OK.)1. Check power window down operation mode with CONSULT-II
NOTE:
Power window down operation mode can be changed.
First check the power window down operation mode setting.
BL-57
2. Check power window function with switch
—
3. Replace BCM. BCS-20
SymptomDiagnoses/service procedureReference
page

Page 843 of 3383

INFINITI QX56 2006 Factory Service Manual BL-62
REMOTE KEYLESS ENTRY SYSTEM
Revision: November 20092006 QX56
Key Switch (Insert) CheckEIS00602
1. CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II
Check key switch "KEY ON SW" in DATA MONITOR mode

Page 844 of 3383

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Door Switch CheckEIS0062Q
1. CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-II
Check door switches ("DOOR SW

Page 845 of 3383

INFINITI QX56 2006 Factory Service Manual BL-64
REMOTE KEYLESS ENTRY SYSTEM
Revision: November 20092006 QX56
2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch

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INFINITI QX56 2006 Factory Service Manual REMOTE KEYLESS ENTRY SYSTEMBL-65
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4. CHECK BACK DOOR SWITCH GROUND
Check continuity between back door latch connector terminal 8 and
ground.

Page 847 of 3383

INFINITI QX56 2006 Factory Service Manual BL-66
REMOTE KEYLESS ENTRY SYSTEM
Revision: November 20092006 QX56
2. CHECK KEYFOB FUNCTION
With CONSULT-II
Check keyfob function in “DATA MONITOR” mode with CONSULT-II.
When pushing each butto

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2. REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY INSPECTION
Check signal voltage waveform between BCM connecto

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