2007 INFINITI M35 battery replace

TROUBLE DIAGNOSIS
AV-125
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
C
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AV
Revision: 2007 April2007 M35/M45
Rear view monitor image is not
clearFront glass of camera lens is dirtyDip a soft cloth into water and wipe the
glass softly.
There are raindrops, snow, etc. Wipe it with a soft cloth softly.
The sunlight or the headlight of following vehicle is
shining directly to the camera lens.It returns to the original condition if the light
applied to the lens disappears
The center position of possible
route line is not in the correct posi-
tion

Remove or replace the battery.

Replace steering angle sensor or camera control
unit.

Turn steering wheel when turning ignition switch
OFF.Perform the neutral position correction as
follows.

Fully turn the steering wheel to left/right.

Drive 100 m or more at vehicle speed 30
km/h or more. Symptom Possible cause Possible solution

AV-126
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
REMOVAL AND INSTALLATION
Revision: 2007 April2007 M35/M45
REMOVAL AND INSTALLATIONPFP:00000
Removal and Installation/Precautions for ReplacementNKS0049F
REMOVAL OF BATTERY
When the battery is removed, the possible route line center position of rear view monitor may not be in the cor-
rect position. Perform the center position correction with the following procedure.
1. Fully turn the steering wheel to left/right.
2. Drive 100 m (328.1 ft) or more at vehicle speed 30 km/h (18.6 MPH) or more.
Audio Unit NKS0049G
REMOVAL
1. Remove cluster lid C. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove screws (A) and remove audio unit (2) in conjunction
with unified meter and A/C amp (1).
3. Remove screws (A) and (B)
4. Remove meter and A/C amp (1), audio unit (2) and bracket (3).
CAUTION:
Be careful not to allow foreign material to enter from CD
slot.
INSTALLATION
Installation is the reverse order of removal.
CAUTION:
Unified meter and A/C amp screws are different from other securing screws. Never confuse them
when installing.
Front Door SpeakerNKS0049H
REMOVAL
1. Remove front door finisher. Refer to EI-34, "DOOR FINISHER" .
2. Remove screws (A) and remove front door speaker (1).
INSTALLATION
Installation is the reverse order of removal.
SKIB4268E
SKIB4269E
SKIB4270E

AV-276
[WITH MOBILE ENTERTAINMENT SYSTEM]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
REMOTE CONTROLLER
Rear view monitor image is not
clearFront glass of camera lens is dirtyDip a soft cloth into water and wipe the
glass softly.
There are raindrops, snow, etc. Wipe it with a soft cloth softly.
The sunlight or the headlight of following vehicle is
shining directly to the camera lens.It returns to the original condition if the light
applied to the lens disappears
The center position of possible
route line is not in the correct posi-
tion

Remove or replace the battery.

Replace steering angle sensor or camera control
unit.

Turn steering wheel when turning ignition switch
OFF.Perform the neutral position correction as
follows.

Fully turn the steering wheel to left/right.

Drive 100 m or more at vehicle speed 30
km/h or more. Symptom Possible cause Possible solution
Symptom Possible cause Possible solution
The remote controller does not
respond.The remote controller is not pointing at the receiver. Point the remote controller at the receiver.
The battery in the remote controller is not set cor-
rectly.Set the battery correctly.
The battery in the remote controller is discharged. Replace the battery.
The transmitter of the remote controller or the
receiver is dirty.Clean the transmitter of the remote control-
ler and the receiver.
The electrodes of the battery in the remote control-
ler are not contacting correctly.Take out the battery and clean the s\elec-
trodes.

REMOVAL AND INSTALLATION
AV-277
[WITH MOBILE ENTERTAINMENT SYSTEM]
C
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F
G
H
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L
MA
B
AV
Revision: 2007 April2007 M35/M45
REMOVAL AND INSTALLATIONPFP:00000
Removal and Installation/Precautions for ReplacementNKS004BG
REMOVAL OF BATTERY
When the battery is removed, the possible route line center position of rear view monitor may not be in the cor-
rect position. Perform the center position correction with the following procedure.
1. Fully turn the steering wheel to left/right.
2. Drive 100m (328.1 ft) or more at vehicle speed 30 km/h (18.6 MPH) or more.
Audio Unit NKS004BH
REMOVAL
1. Remove cluster lid C. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove screws (A) and remove audio unit (2) in conjunction
with unified meter and A/C amp (1).
3. Remove screws (A) and (B)
4. Remove meter and A/C amp (1), audio unit (2) and bracket (3).
CAUTION:
Be careful not to allow foreign material to enter from CD
slot.
INSTALLATION
Installation is the reverse order of removal.
CAUTION:
Unified meter and A/C amp screws are different from other securing screws. Never confuse them
when installing.
Front Door SpeakerNKS004BI
REMOVAL
1. Remove front door finisher. Refer to EI-34, "DOOR FINISHER" .
2. Remove screws (A) and remove front door speaker (1).
INSTALLATION
Installation is the reverse order of removal.
SKIB4268E
SKIB4269E
SKIB4270E

BL-2Revision: 2007 April2007 M35/M45 CHANGE SETTINGS FUNCTION ....................... 59
INTELLIGENT KEY REGISTRATION .................. 59
STEERING LOCK UNIT REGISTRATION .......... 59
CAN Communication System Description .............. 59
CAN Communication Unit ....................................... 59
Schematic ............................................................... 60
Wiring Diagram — I/KEY— .................................... 62
Terminals and Reference Value for Intelligent Key
Unit ......................................................................... 73
Terminals and Reference Value for BCM ................ 76
Terminals and Reference Value for IPDM E/R ........ 76
Trouble Diagnosis Procedure ................................. 77
WORK FLOW ...................................................... 77
CONSULT-II Functions (INTELLIGENT KEY) ........ 79
CONSULT-II Inspection Procedure ......................... 79
BASIC OPERATION ............................................ 79
CONSULT-II Application Items ............................... 79
SELF-DIAGNOSTIC RESULTS ........................... 79
DATA MONITOR .................................................. 80
WORK SUPPORT ............................................... 81
ACTIVE TEST ..................................................... 83
Trouble Diagnosis Symptom Chart ......................... 84
ALL FUNCTIONS OF INTELLIGENT KEY SYS-
TEM DOES NOT OPERATE ............................... 84
DOOR LOCK/UNLOCK FUNCTION MALFUNC-
TION .................................................................... 84
REMOTE KEYLESS ENTRY FUNCTION MAL-
FUNCTION .......................................................... 85
TRUNK OPEN FUNCTION MALFUNCTION ...... 86
HAZARD AND BUZZER REMINDER FUNC-
TION MALFUNCTION ......................................... 87
HAZARD AND HORN REMINDER FUNCTION
MALFUNCTION ................................................... 87
POWER WINDOW DOWN FUNCTION MAL-
FUNCTION .......................................................... 88
WARNING FUNCTION MALFUNCTION ............. 88
Check CAN Communication System ...................... 90
Check Power Supply and Ground Circuit ............... 91
Check Key Slot ....................................................... 92
Check Door Switch ................................................. 94
Check Trunk Room Lamp Switch ........................... 97
Check Door Request Switch ................................... 99
Check Trunk Opener Request Switch ..................101
Check Unlock Sensor ...........................................103
Check Intelligent Key Warning Buzzer .................105
Check Outside Key Antenna (Driver Side and Pas-
senger Side) .........................................................106
Check Outside Key Antenna (Trunk Room) .........108
Check Inside Key Antenna ...................................110
Check Park Position Switch ..................................113
Check Ignition Switch Position .............................115
Check Remote Keyless Entry Receiver ................115
Check Trunk Lid Opener Cancel Switch ...............119
Check Key Slot Illumination ..................................121
Check Horn Function ............................................122
Check Combination Meter Display Function .........122
Check Warning Chime Function ...........................123
Removal and Installation of Intelligent Key Unit ...123
REMOVAL .........................................................123INSTALLATION ..................................................123
Intelligent Key Battery Replacement .....................124
DISASSEMBLY AND ASSEMBLY OF INTELLI-
GENT KEY .........................................................124
INTELLIGENT KEY BATTERY INSPECTION ...124
INTELLIGENT KEY SYSTEM/ENGINE START
FUNCTION ..............................................................125
Component Parts and Harness Connector Location .125
System Description ...............................................126
PRECAUTIONS FOR INTELLIGENT KEY SYS-
TEM ...................................................................127
Operation Description ...........................................127
SYSTEM DIAGRAM ..........................................127
OPERATION WHEN INTELLIGENT KEY IS
CARRIED ...........................................................127
OPERATION WHEN KEY SLOT IS USED ........128
PUSH-BUTTON IGNITION SWITCH OPERA-
TION PROCEDURE ..........................................128
CAN Communication System Description ............129
CAN Communication Unit .....................................129
Schematic .............................................................130
Wiring Diagram — ENG/ST — ..............................132
Terminals and Reference Value for Intelligent Key
Unit ........................................................................141
Terminals and Reference Value for Steering Lock
Unit ........................................................................145
Terminals and Reference Value for BCM ..............145
Terminals and Reference Value for IPDM E/R ......146
Terminals and Reference Value for PDU ..............147
Work Flow .............................................................148
CONSULT-II Functions (INTELLIGENT KEY) .......150
CONSULT-II Inspection Procedure .......................150
BASIC OPERATION ..........................................150
CONSULT-II Application Items ..............................150
SELF-DIAGNOSTIC RESULTS .........................150
DATA MONITOR ................................................151
WORK SUPPORT .............................................152
ACTIVE TEST ....................................................153
DTC B2013 STRG COMM 1 .................................155
DIAGNOSIS DESCRIPTION .............................155
TERMINALS AND REFERENCE VALUE FOR
INTELLIGENT KEY UNIT ..................................155
SELF-DIAGNOSTIC LOGIC ..............................155
DIAGNOSTIC PROCEDURE .............................155
DTC B2551 STEERING LOCK UNIT ....................157
DIAGNOSIS DESCRIPTION .............................157
TERMINALS AND REFERENCE VALUE ..........157
SELF-DIAGNOSTIC LOGIC ..............................158
DIAGNOSTIC PROCEDURE .............................158
DTC B2552 INTELLIGENT KEY ...........................161
DIAGNOSIS DESCRIPTION .............................161
DTC B2553 IGN POWER CIRCUIT ......................161
DIAGNOSIS DESCRIPTION .............................161
TERMINAL AND REFERENCE VALUE FOR
INTELLIGENT KEY UNIT ..................................161
CONSULT-II DATA MONITOR STANDARD
VALUE ...............................................................161
SELF-DIAGNOSTIC LOGIC ..............................162
DIAGNOSTIC PROCEDURE .............................162

PRECAUTIONS
BL-7
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BL
Revision: 2007 April2007 M35/M45
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
Precautions for WorkNIS001WD

After removing and installing the opening/closing parts, be sure to carry out fitting adjustments to check
their operational.

Check the lubrication level, damage, and wear of each part. If necessary, grease or replace it.

POWER DOOR LOCK SYSTEM
BL-31
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BL
Revision: 2007 April2007 M35/M45
Terminals and Reference Value of BCMNIS001WV
Work FlowNIS001WW
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-25, "
System Description" .
3. According to the trouble diagnosis chart by symptom, repair or replace the cause of the malfunction.
Refer to BL-33, "
Trouble Diagnosis Chart by Symptom" .
4. Does power door lock system operate normally?
YES: GO TO 5.
NO: GO TO 3.
5. INSPECTION END
Te r m i -
nalWire
colorItemSignal
Input/
OutputConditionVoltage [V]
(Approx.)
11 V Ignition switch (ACC) Input Ignition switch is in ACC position Battery voltage
22 G Power window serial link Input Ignition switch ON
38 W Ignition switch (ON) InputIgnition switch is in ON or START
positionBattery voltage
39 L CAN HInput/
Output——
40 P CAN LInput/
Output——
42 P Battery source (Fuse) Input — Battery voltage
44 GRDriver door lock actuator
(unlock) signalOutputDoor lock / unlock switch
(Free → Unlock)0 → Battery voltage → 0
50 VDoor lock actuator (lock)
signalOutputDoor lock / unlock switch
(Free → Lock)0 → Battery voltage → 0
51 GRear doors lock actuator
signalOutputDoor lock / unlock switch
(Free → Unlock)0 → Battery voltage → 0
52 B Ground — — 0
55 W Power source (Fusible link) Input — Battery voltage
69 Vfuel lid lock actuator
(unlock) signalOutputDoor lock / unlock switch
(Free → Unlock)0 → Battery voltage → 0
70 GFront door lock actuator
(passenger side) lock signalOutputDoor lock / unlock switch
(Free → Unlock)0 → Battery voltage → 0
PIIA2344J

BL-34
POWER DOOR LOCK SYSTEM
Revision: 2007 April2007 M35/M45
Power Supply and Ground Circuit Check of BCMNIS001WZ
1. CHECK FUSE
Check the following fuse and fusible link.

50A fusible link (letter F , located in the fuse and fusible link box)

10A fuse [No.21, located in the fuse block (J/B)]

10A fuse [No.6, located in the fuse block (J/B)]

15A fuse [No.1, located in the fuse block (J/B)]
NOTE:
Refer to BL-24, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace BCM power supply circuit.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Repair or replace BCM ground circuit.
Terminals Condition
of ignition
switch
positionVoltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M311
GroundACC
Battery voltage 38 ON
M242
OFF
55
PIIB6296E
BCM connector Terminal Continuity
M2 52 Ground Yes
PIIB5935E