2006 INFINITI M35 lock

BL-78
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
Trouble Diagnosis ProcedureNIS001XG
WORK FLOW
1. CHECK IN
CHECK IN.
>> GO TO 2.
2. GET SYMPTOMS
Listen to customer complaints request. (Get symptoms)
NOTE:
If customer reports a “No start” condition, request all Intelligent Keys to be brought to the dealer in case of
Intelligent Key system malfunction.
Intelligent Key service request>>Refer to CONSULT-II operation manual.
Intelligent Key system is malfunctioning>>GO TO 3.
3. PERFORM SELF-DIAGNOSIS
Perform self-diagnosis of Intelligent Key system with CONSULT-II.
“SELF-DIAG RESULTS” are displayed>>GO TO BL-81, "
SELF-DIAGNOSTIC RESULTS" .
“SELF-DIAG RESULTS” are not displayed>>GO TO 4.
4. CHECK FUNCTION OF INTELLIGENT KEY SYSTEM
Does all function of Intelligent Key system operate?
All function of Intelligent Key system does not operate>>GO TO BL-86, "
ALL FUNCTIONS OF INTELLI-
GENT KEY SYSTEM DOES NOT OPERATE" .
Specific function of Intelligent Key system does not operate>>GO TO 5.
5. CHECK POWER DOOR LOCK OPERATION
Does door lock/unlock operation by door lock and unlock switch operate?
OK or NG
OK >> GO TO 6.
NG >> Refer to BL-24, "
POWER DOOR LOCK SYSTEM" .
6. CHECK DOOR REQUEST SWITCH OPERATION
Does door lock/unlock operation by door request switch operate?
OK or NG
OK >> GO TO 7.
NG >> GO TO BL-86, "
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION" .
7. CHECK TRUNK OPEN OPERATION
Does the trunk open operation by the trunk opener switch operate?
OK or NG
OK >> GO TO 8.
NG >> Refer to BL-209, "
TRUNK LID OPENER" .

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
8. CHECK TRUNK OPENER REQUEST SWITCH OPERATION
Does the trunk open operation by the trunk opener request switch operate?
OK or NG
OK >> GO TO 9.
NG >> GO TO BL-88, "
TRUNK OPEN FUNCTION MALFUNCTION" .
9. CHECK REMOTE KEYLESS FUNCTION
Does the following operation by the Intelligent Key remote control button operate?
Door lock/unlock function
Trunk open function
Panic alarm function
OK or NG
OK >> GO TO 10.
NG >> GO TO BL-87, "
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION" .
10. CHECK POWER WINDOW OPERATION
Does power window operation by power window main switch operate?
OK or NG
OK >> GO TO 11.
NG >> Refer to GW-13, "
POWER WINDOW SYSTEM" .
11 . CHECK POWER WINDOW DOWN FUNCTION
Does power window down function by Intelligent Key remote control button operate?
OK or NG
OK >> GO TO 12.
NG >> GO TO BL-90, "
POWER WINDOW DOWN FUNCTION MALFUNCTION" .
12. CHECK HAZARD AND BUZZER REMINDER FUNCTION BY REQUEST SWITCH
Does hazard and buzzer reminder function by the following switches operate?
Door request switches
Trunk opener request switch
OK or NG
OK >> GO TO 13.
NG >> GO TO BL-89, "
HAZARD AND BUZZER REMINDER FUNCTION MALFUNCTION" .
13. CHECK HAZARD AND HORN REMINDER FUNCTION BY INTELLIGENT KEY BUTTON
Does hazard and horn reminder function by Intelligent Key button operate?
OK or NG
OK >> GO TO 14.
NG >> GO TO BL-89, "
HAZARD AND HORN REMINDER FUNCTION MALFUNCTION" .
14. CHECK WARNING FUNCTION
Does warning function operate? Refer to BL-55, "
WARNING FUNCTION" .
OK or NG
OK >> GO TO 15.
NG >> Refer to BL-90, "
WARNING FUNCTION MALFUNCTION" .

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
5. Touch “INTELLIGENT KEY” on “SELECT SYSTEM” screen.
If “INTELLIGENT KEY” is not indicated, go to GI-40, "
CON-
SULT-II Data Link Connector (DLC) Circuit" .
6. Select diagnosis mode. “WORK SUPPORT”, “SELF-DIAG
RESULTS”, “CAN DIAG SUPPORT MNTR”, “DATA MONITOR”,
“ACTIVE TEST” and “ECU PART NUMBER” are available.
CONSULT-II Application ItemsNIS001XJ
SELF-DIAGNOSTIC RESULTS
How to Read SELF-DIAGNOSTIC RESULTS
BCIA0030E
BCIA0031E
PIIB6280E
Suspect Systems
[DTC]Diagnostic item is detected when... Repair work Reference page
CAN COMM 1
[U1000]Malfunction is detected in CAN communicationPerform CAN communi-
cation system inspectionBL-92
CAN COMM 2
[U1010]Malfunction is detected in CAN communication caused
by Intelligent Key unit internal malfunctionReplace Intelligent Key
unit.BL-92
STRG COMM 1
[B2013]Communication malfunction with steering lock unit is
detectedCheck steering lock unitBL-157
STEERING LOCK UNIT
[B2551]Even if the communication with steering lock unit is
normally performed, the steering lock is malfunctioningReplace steering lock
unitBL-159

BL-82
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
CAUTION:
When CAN COMM 1 [U1000] and CAN COMM 2 [U1010] are displayed, give priority to performing trouble diagnosis.
DATA MONITOR
INTELLIGENT KEY
[B2552]Internal malfunction is detected in Intelligent Key unitReplace Intelligent Key
unit.BL-163
IGN POWER CIRCUIT
[B2553]It continues for 2 seconds or more that ON power sup-
ply input to Intelligent Key unit is excessively low when
the power supply position is in ON positionCheck Intelligent Key
unit ON power supply
inputBL-163
ACC POWER CIRCUIT
[B2554]It continues for 2 seconds or more that ACC power
supply input to Intelligent Key unit is excessively low
when the power supply position is in ACC or ON posi-
tionCheck Intelligent Key
unit ACC power supply
inputBL-164
STOP LAMP CIRCUIT
[B2555]5V or less is detected at both the stop lamp switch sig-
nal input circuit that is input to Intelligent Key unit and
the monitor input before stop lamp switchCheck stop lamp switchBL-167
ENG START SW
[B2556]Condition that push-button ignition switch is pushed is
detected continuously for 100 seconds or moreCheck push-button igni-
tion switchBL-168
VEHICLE SPEED
[B2557]Some differences occur on one or more vehicle speed
inputs of Intelligent Key unitCheck vehicle speed sig-
nalBL-169
SHIFT POSITION
[B2558]
There is a difference between the shift position input
via CAN communication and the P position input by
detent switch
Vehicle speed (5 km/h or more) is detected continu-
ously for 10 seconds or more even if the shift posi-
tion is detected in P position when the power supply
position is in ON positionCheck shift position inputBL-172
PDU
[B2559]Internal malfunction is detected in PDU Replace PDUBL-174
START POW SUP CIRC
[B2560]Though the engine start operation is not performed,
starter relay in IPDM E/R is ONCheck starter power sup-
plyBL-174
LOW VOLTAGE
[B2562]Battery power supply input to Intelligent Key unit (8.8V
or less) is detected continuously for 1.5 seconds or
moreCheck battery low volt-
ageBL-177
HI VOLTAGE
[B2563]Battery power supply input to Intelligent Key unit (18V
or more) is detected continuously for 90 seconds or
moreCheck for battery high
voltageBL-178
NATS MALFUNCTION
[B2590]Malfunction is detected in immobilizer systemCheck (IVIS) NATS trou-
ble diagnosis procedureBL-248
Suspect Systems
[DTC]Diagnostic item is detected when... Repair work Reference page
Monitor item Content
DR REQ SW Indicates [ON/OFF] condition of door request switch (driver side).
AS REQ SW Indicates [ON/OFF] condition of door request switch (passenger side).
BD/TR REQ SW Indicates [ON/OFF] condition of trunk opener request switch.
ON POS Indicates [ON/OFF] condition of ignition switch in ON position.
ACC POS Indicates [ON/OFF] condition of ignition switch in ACC position.
DOOR STAT SW Indicates [ON/OFF] condition of door unlock sensor.
STOP LAMP SW Indicates [ON/OFF] condition of stop lamp switch.
P RANGE SW Indicates [ON/OFF] condition of park position switch.
TR CANCEL SW* Indicates [ON/OFF] condition of trunk cancel switch.
DOOR LOCK SIG* Indicates [ON/OFF] condition of door lock signal from Intelligent Key remote controller button.
DOOR UNLOCK SIG* Indicates [ON/OFF] condition of door unlock signal from Intelligent Key remote controller button.
KEYLESS TRUNK* Indicates [ON/OFF] condition of trunk open signal from Intelligent Key remote controller button.

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
*: Select “SELECTION FROM MENU”.
WORK SUPPORT
KEYLESS PANIC* Indicates [ON/OFF] condition of panic alarm signal from Intelligent Key remote controller button.
DOOR SW DR*Indicates [OPEN/CLOSE] condition of front door switch driver side from BCM via CAN communica-
tion line.
DOOR SW AS*Indicates [OPEN/CLOSE] condition of front door switch passenger side from BCM via CAN commu-
nication line.
DOOR SW RR* Indicates [OPEN/CLOSE] condition of rear door switch LH from BCM via CAN communication line.
DOOR SW RL* Indicates [OPEN/CLOSE] condition of rear door switch RH from BCM via CAN communication line.
DOOR BK SW* Indicates [OPEN/CLOSE] condition of back door switch from BCM via CAN communication line.
TRUNK SW*Indicates [OPEN/CLOSE] condition of trunk room lamp switch from BCM via CAN communication
line.
VEHICLE SPEED* Indicates [km/h] condition of vehicle speed.Monitor item Content
Monitor item Description
CONFIRM KEY FOB ID It can be checked whether Intelligent Key ID code is registered or not in this mode.
TAKE OUT FROM WINDOW
WARNTake away warning chime (from window) mode can be changed to operate (ON) or not operate
(OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.
LOW BAT OF KEY FOB WARNIntelligent Key low battery warning mode can be changed to operate (ON) or not operate (OFF)
with this mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II
screen is touched.
ANSWER BACK FUNCTIONHazard and buzzer reminder function mode can be changed to operate (ON) or not operate
(OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.
SELECTIVE UNLOCK FUNC-
TIONSelective unlock function mode can be changed to operate (ON) or not operate (OFF) with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
ANTI KEY LOCK IN FUNCTIONKey reminder function mode can be changed to operate (ON) or not operate (OFF) with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
HORN WITH KEYLESS LOCKHorn reminder function mode by Intelligent Key button can be changed to operate (ON) or not
operate (OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on
CONSULT-II screen is touched.
HAZARD ANSWER BACKHazard reminder function mode can be selected from the following with this mode. The operation
mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.
LOCK ONLY: Door lock operation only
UNLOCK ONLY: Door unlock operation only
LOCK/UNLOCK: Lock/Unlock operation
OFF: Non-operation
ANSWER BACK WITH I-KEY
LOCKBuzzer reminder function (lock operation) mode by door request switch (driver side and passen-
ger side) can be selected from the following with this mode. The operation mode will be changed
when “CHANGE SETT” on CONSULT-II screen is touched.
HORN CHIRP: Sound horn
BUZZER: Sound Intelligent Key warning buzzer
OFF: Non-operation
ANSWER BACK WITH I-KEY
UNLOCKBuzzer reminder function (unlock operation) mode by door request switch can be changed to
operate (ON) or not operate (OFF) with this mode.
AUTO RELOCK TIMERAuto door lock timer mode can select the following with this mode.
1 min
5 min
OFF: Non-operation

BL-84
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
ACTIVE TEST
PANIC ALARM DELAYPanic alarm button's pressing time on Intelligent Key remote control button can be selected from
the following with this mode. The operation mode will be changed when “CHANGE SETT” on
CONSULT-II screen is touched.0.5 sec
1.5 sec
OFF: Non-operation
TRUNK/GLASS HATCH OPENBuzzer reminder function mode by trunk opener request switch can be changed to operate (ON)
or not operate (OFF) with this mode. The operation mode will be changed when “CHANGE
SETT” on CONSULT-II screen is touched.
TRUNK OPEN DELAYTrunk button's pressing time on Intelligent Key button can be selected from the following with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
0.5 sec
1.5 sec
OFF: Non-operation
P/W DOWN DELAYUnlock button's pressing time on Intelligent Key button can be selected from the following with
this mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen
is touched.
3 sec
5 sec
OFF: Non-operation
ENGINE START BY I-KEYEngine start function mode can be changed to operate (ON) or not operate (OFF) with this mode.
The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.
LOCK/UNLOCK BY I-KEYDoor lock/unlock function by door request switch (driver side, passenger side and trunk) mode
can be changed to operate (ON) or not operate (OFF) with this mode. The operation mode will be
changed when “CHANGE SETT” on CONSULT-II screen is touched. Monitor item Description
Test item Description
DOOR LOCK/UNLOCKThis test is able to check door lock/unlock operation.
The all door lock actuators are locked when “LOCK” on CONSULT-II screen is touched.
The all door lock actuators are unlocked when “ALL UNLK” on CONSULT-II screen is touched.
The door lock actuator (driver side) is unlocked when “DR UNLK” on CONSULT-II screen is
touched.
The door lock actuator (passenger side) is unlocked when “AS UNLK” on CONSULT- II screen
is touched.
The trunk lid opener actuator is open when “TRUNK OPEN” on CONSULT- II screen is
touched.
ANTENNAThis test is able to check Intelligent Key antenna operation.
When the following conditions are met, hazard warning lamps flash.
Inside key antenna (Instrument center) detects Intelligent Key, when “ROOM ANT1” on CON-
SULT-II screen is touched.
Inside key antenna (Center console) detects Intelligent Key, when “ROOM ANT2” on CON-
SULT-II screen is touched.
Inside key antenna (rear seat) detects Intelligent Key, when “ROOM ANT3” on CONSULT-II
screen is touched.
Inside key antenna (Trunk room) detects Intelligent Key, when “LAG ANT1” on CONSULT-II
screen is touched.
Outside key antenna (Driver side) detects Intelligent Key, when “DRIVER ANT” on CONSULT-II
screen is touched.
Outside key antenna (Passenger side) detects Intelligent Key, when “ASSIST ANT” on CON-
SULT-II screen is touched.
Outside key antenna (Trunk room) detects Intelligent Key, when “BD/TR ANT” on CONSULT-II
screen is touched.

INTELLIGENT KEY SYSTEM
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OUTSIDE BUZZERThis test is able to check Intelligent Key warning buzzer operation.
Intelligent Key warning buzzer sounds when “ON” on CONSULT-II screen is touched.
INSIDE BUZZERThis test is able to check warning chime into combination meter operation.
Take away warning chime sounds when “TAKE OUT” on CONSULT-II screen is touched.
Key warning chime sounds when “KEY WARN” on CONSULT-II screen is touched.
P position warning chime sounds when “P RNG WARN” on CONSULT-II screen is touched.
ACC warning chime sounds when “ACC WARN” on CONSULT-II screen is touched.
INDICATORThis test is able to check warning lamp operation.
“KEY” Warning lamp illuminates when “KEY IND ON” on CONSULT-II screen is touched.
“KEY” Warning lamp flashes when “KEY IND FSH” on CONSULT-II screen is touched.
LCDThis test is able to check meter display information
Engine start information displays when “BRAKE/P” on CONSULT-II screen is touched.
Engine start information displays when “BRAKE/P/ON” on CONSULT-II screen is touched.
Key ID warning displays when “KEY ID NG” on CONSULT-II screen is touched.
Steering lock information displays when “STLCK RELES” on CONSULT-II screen is touched.
P position warning displays when “P RNG IND” on CONSULT-II screen is touched.
Intelligent Key insert information displays when “INSERT KEY” on CONSULT-II screen is
touched.
Intelligent Key low battery warning displays when “KEY BAT LOW” on CONSULT-II screen is
touched.
Take away through window warning displays when “TK AWAY WDW” on CONSULT-II screen is
touched.
Take away warning display when “TAKE AWAY” on CONSULT-II screen is touched.
OFF position warning display when “IGN OFF WARN” on CONSULT-II screen is touched.
P RANGEThis test is able to check A/T device power supply
A/T device power is supplied when “ON” on CONSULT-II screen is touched.
ENGINE SW ILLUMIThis test is able to check push-ignition switch illumination operation.
Push-ignition switch illumination illuminates when “ON” on CONSULT-II screen is touched.
LOCK INDCATORThis test is able to check LOCK indicator in push-ignition switch operation.
LOCK indicator in push-ignition switch illuminates when “ON” on CONSULT-II screen is touched.
ACC INDCATORThis test is able to check ACC indicator in push-ignition switch operation.
LOCK indicator in push-ignition switch illuminates when “ON” on CONSULT-II screen is touched.
IGNITION ON INDThis test is able to check INGITION ON indicator in push-ignition switch operation.
LOCK indicator in push-ignition switch illuminates when “ON” on CONSULT-II screen is touched.
KEY SLOT ILLUMIThis test is able to check key slot illumination operation.
Key slot illumination flash when “ON” on CONSULT-II screen is touched. Test item Description

BL-86
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
Trouble Diagnosis Symptom ChartNIS001XK
ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DOES NOT OPERATE
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
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 systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
“ENGINE START BY I-KEY” and “LOCK/UNLOCK BY I-KEY” are ON when setting on CONSULT-II.
All doors are closed.
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
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 systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
“LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-II.
Intelligent Key is out of key slot.
All doors are closed.
Symptom Diagnosis/service procedure Reference page
All function of Intelligent Key system dose not
operate.1.Check Intelligent Key unit power supply and ground
circuit.BL-93
2. Check Intelligent Key battery inspection.BL-126
3. Check remote keyless entry receiver.BL-117
4. Replace Intelligent Key unit.BL-125
Symptom Diagnosis/service procedure Reference page
Door lock/unlock do not operate by door
request switch.1.Check Intelligent Key unit power supply and ground
circuit.BL-93
2. Check door switch.BL-96
3. Check key slot.BL-94
4. Replace Intelligent Key unit.BL-125
Door lock/unlock does not operate by request
switch (driver side).1. Check door request switch (driver side).BL-1012. Check outside key antenna (driver side).BL-108
3. Replace Intelligent Key unit.BL-125
Door lock/unlock does not operate by request
switch (passenger side).1. Check door request switch (passenger side).BL-1012. Check outside key antenna (passenger side).BL-108
3. Replace Intelligent Key unit.BL-125
Selective unlock function does not operate by
door request switch (driver side) (other door
lock function operate).1.Check “SELECT UNLOCK FUNCTION” setting in
“WORK SUPPORT”.BL-83
2.Check selective unlock function with a remote control-
ler or door key cylinder.BL-26
3. Replace BCM.BCS-17