2006 INFINITI M35 trunk

BL-54
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
Keyless Power Window Down (Open) Function
All power windows open when the unlock button on Intelligent Key is activated and kept pressed for more than
3 seconds with the ignition switch OFF. The windows keep opening if the unlock button is continuously
pressed.
The power window opening stops when the following operations are performed:
When the unlock button is kept pressed more than 15 seconds.
When the ignition switch is turned ON while the power window opening is operated.
When the unlock button is released.
While retained power operation activate, Keyless power window down (open) Function cannot be operated.
Keyless power window down operation mode can be changed by “P/W DOWN DELAY” mode in “WORK SUP-
PORT”. Refer to BL-83, "
WORK SUPPORT" .
Room Lamp Illumination Operation
When the following conditions are met:
Condition of interior lamp switch is in DOOR position
Door switch OFF (all the doors are closed)
Intelligent Key system turns on interior lamp (for 30 seconds) by receiving UNLOCK signal from Intelligent
Key. For detailed description, refer to LT- 2 7 0 , "
ROOM LAMP TIMER OPERATION" .
List of Operation Related Parts
Parts marked with are the parts related to operation.
ENGINE START FUNCTION
Refer to BL-127, "INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION" .
Remote keyless entry functions
Intelligent Key
Key slot
Door request switch (Driver, Passenger)
Door switch
Trunk room lamp switch
Door lock actuator
Trunk lid opener actuator
Intelligent Key warning buzzer
Intelligent Key unit
CAN communication system
BCM
Combination meter
Hazard warning lamp
Horn
IPDM E/R
Head lamp
Door lock/unlock function by remote control button
Trunk open function by remote control button
Hazard and horn reminder function
Selective unlock function
Keyless power window down (open) function
Auto door lock function
Panic alarm function

BL-74
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
Terminals and Reference Value for Intelligent Key UnitNIS001XD
Te r m i -
nalWire
ColorItemCondition
Voltage (V)
Approx. Ignition
Switch
PositionOperation or Conditions
1 SB Power source (Fuse) — — Battery voltage
2GRDoor request switch
(driver side)—Press door request switch (driver side). 0
Other than above 5
4B/YRemote keyless entry
receiver RSSI signalLOCKWhen Intelligent Key is in vehicle, press
push-button ignition switch0
Other than above
5B/WRemote keyless entry
receiver signalLOCKWaiting state
Any operation using Intelligent Key
6BRemote keyless entry
receiver ground—— 0
7B/RRemote keyless entry
receiver power supplyLOCK —
13 LG/BKey slot illumination
signalLOCKInsert Intelligent Key into key slot and
driver side door is open.Illuminate: Battery voltage
Does not illuminate: 0
Remove Intelligent Key from key slot. 0
19 BR/Y Key switch signal LOCKInsert Intelligent Key into key slot. 0
Remove Intelligent Key from key slot. Battery voltage
20 B Ground ON — 0
22 ODoor request switch
(passenger side)—Press door request switch
(passenger side).0
Other than above 5
23 BTrunk lid opener can-
cel switch—Trunk lid opener cancel switch is ON 0
Trunk lid opener cancel switch is OFF
(cancel)5
PIIB5657J
OCC3879D
OCC3880D
OCC3881D

INTELLIGENT KEY SYSTEM
BL-75
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Revision: 2006 January2006 M35/M45
25 GR/RTrunk opener request
switch—Press trunk opener request switch. 0
Other than above 5
26 BR/WUnlock sensor
(driver side)—Door (driver side) is locked. Battery voltage
Door (driver side) is unlocked. 0
27 V P range switch —Selector lever is in “P” position. 0
Other than above Battery voltage
30 L/W Ignition switch (ACC) ACC — Battery voltage
31 GR Ignition switch (ON) ON — Battery voltage
35 LG Vehicle speed signal ONAt speedometer operation (vehicle
speed approx. 40 km/h)
37 P CAN-L — — —
38 L CAN-H — — —
39 BR/WPush-button ignition
switch signal—Press push-button ignition switch 0
Other than above Battery voltage
40 B Ground ON — 0
41 Y Power souce (Fuse) — — Battery voltage
47 LGInside key antenna
(+) signal
(Instrument centor)
LOCK Any door open
all door close
48 VInside key antenna (-)
signal
(Instrument centor)
49 BInside key antenna
(+) signal
(Console)
LOCK Any door open
all door close
50 WInside key antenna (-)
signal
(Console)
51 R/LInside key antenna
(+) signal
(Rear seat)
LOCK Any door open
all door closed
52 R/WInside key antenna (-)
signal
(Rear seat) Te r m i -
nalWire
ColorItemCondition
Voltage (V)
Approx. Ignition
Switch
PositionOperation or Conditions
PKIA1935E
SIIA1910J
SIIA1910J
SIIA1910J

BL-76
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
53 G/WInside key antenna
(+) signal
(Trunk room)
LOCK Any door open
all door close
54 LGInside key antenna
(-) signal
(Trunk room)
55 PIntelligent Key warn-
ing buzzerLOCKOperate door request
switch.Buzzer OFF Battery voltage
Sound buzzer 0
56 B Ground ON — 0
57 L Power souce (Fuse) — — Battery voltage
58 OA/T device power
supply LOCKWake-up state (Open drive side door) Battery voltage
Sleep state (After 30 seconds or more
since all doors are closed under the
condition that the ignition switch is in
the LOCK position)0
61 O/LOutside key antenna
(+) signal (driver side)
LOCK Press door request switch (driver side).
62 YOutside key antenna
(-) signal (driver side)
63 LGOutside key antenna
(+) signal
(passenger side)
LOCKPress door request switch (passenger
side).
64 GOutside key antenna
(-) signal
(passenger side)
69 O/BOutside key antenna
(+) signal
(Trunk room)
LOCK Press trunk opener request switch.
70 LOutside key antenna
(-) signal
(Trunk room)
72 B Ground ON 0 Te r m i -
nalWire
ColorItemCondition
Voltage (V)
Approx. Ignition
Switch
PositionOperation or Conditions
SIIA1910J
SIIA1910J
SIIA1910J
SIIA1910J

INTELLIGENT KEY SYSTEM
BL-77
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Revision: 2006 January2006 M35/M45
Terminals and Reference Value for BCMNIS001XE
*1: In the state that hazard reminder operates.
*2: In the state that room lamp switch is in “DOOR” position.
Terminals and Reference Value for IPDM E/RNIS001XF
Te r m i -
nalWire
ColorItem ConditionVoltage (V)
Approx.
11 V Ignition switch (ACC) Ignition switch is in ACC or ON position Battery voltage
12 PFront door switch passenger
sideDoor open (ON)
Close (OFF) 0 8
13 O/L Rear door switch RH Door open (ON)
Close (OFF) 0 Battery voltage
37 LG Key switch signalInsert Intelligent Key into key slot. Battery voltage
Remove Intelligent Key from key slot. 0
38 W Ignition switch (ON)Ignition switch is in ON or START posi-
tion.Battery voltage
39 L CAN-H — —
40 P CAN-L — —
42 P Power supply (fuse) — Battery voltage
52 B Ground — 0
55 W Power supply (Fusible link) — Battery voltage
57 SB Trunk room lamp switch Trunk lid open (ON)
Close (OFF) 0 Battery voltage
62 V Front door switch driver side Door open (ON)
Close (OFF) 0 Battery voltage
63 R/G Rear door switch LH Door open (ON)
Close (OFF) 0 Battery voltage
Te r m i n a l Wire
ColorItem ConditionVoltage (V)
Approx.
48 G/B Horn relay Press panic alarm bottom.Horn sounds. 0
Horn does not sound. Battery voltage
49 L CAN-H — —
50 P CAN-L — —

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" .

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.