2007 INFINITI M35 ignition

BL-6
PRECAUTIONS
Revision: 2007 April2007 M35/M45
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
NIS002B4
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Procedures without Cowl Top CoverNIS001WB
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
Precautions Necessary for Steering Wheel Rotation After Battery DisconnectNIS001WC
NOTE:

This Procedure is applied only to models with Intelligent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).

Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK″ position.

Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing
work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC″ position. At this time, the
steering lock will be released.
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PRECAUTIONS
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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
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Revision: 2007 April2007 M35/M45
System DescriptionNIS001WQ
Power is supplied at all times

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

to BCM terminal 55,

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

to BCM terminal 42.
When ignition switch is in ACC or ON position, power is supplied

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

to BCM terminal 11.
When ignition switch is in ON or START position, power is supplied

through 15A fuse [No. 1, located in fuse block (J/B)]

to BCM terminal 38.
Ground is supplied

to BCM terminal 52

through body grounds M16 and M70.
When the door is locked or unlocked with power window main switch (door lock and unlock switch), ground is
supplied

to CPU of power window main switch

through power window main switch (door lock and unlock switch) terminal 17

through grounds M16 and M70.
Then power window main switch (door lock and unlock switch) operation signal is sent.

to BCM terminal 22

from power window main switch (door lock and unlock switch) terminal 14
When the door is locked or unlocked with power window sub-switch (front passenger side) (door lock and
unlock switch), ground is supplied

to CPU of power window sub-switch

through power window sub-switch (front passenger side) (door lock and unlock switch) terminal 11

through grounds M16 and M70.
Then power window sub-switch (front passenger side) (door lock and unlock switch) operation signal is sent

to BCM terminal 22

from power window sub-switch (front passenger side) (door lock and unlock switch) terminal 16.
When the door is locked with front door key cylinder switch (driver side), ground is supplied

to CPU of power window main switch

through power window main switch (door lock and unlock switch) terminal 4

through front door key cylinder switch (driver side) terminals 6 and 4

through grounds M16 and M70.
Then front door key cylinder switch (driver side) operation signal (lock) is sent

to BCM terminal 22

from power window main switch (door lock and unlock switch) terminal 14
When the door is unlocked with front door key cylinder switch (driver side), ground is supplied

to CPU of power window main switch

through power window main switch (door lock and unlock switch) terminal 6

through front door key cylinder switch (driver side) terminals 5 and 4

through grounds M16 and M70.
Then front door key cylinder switch (driver side) operation signal (unlock) is sent

to BCM terminal 22

from power window main switch (door lock and unlock switch) terminal 14
BCM is connected to power window main switch and power window sub-switch as serial link.

POWER DOOR LOCK SYSTEM
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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

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POWER DOOR LOCK SYSTEM
Revision: 2007 April2007 M35/M45
CONSULT-II Function (BCM)NIS001WX
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure"
CONSULT-II APPLICATION ITEMS
Data Monitor
Active Test
BCM diagnosis
partInspection item, self-diagnosis
modeContent
Door lockDATA MONITOR Displays the input data of BCM in real time basis.
ACTIVE TEST Give a drive signals to load to check the operation check.
Monitor item Content
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock and unlock switch.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from key cylinder.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from key cylinder.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch driver side.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch passenger side.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
BACK DOOR SW This is displayed even if it is not equipped.
I -KEY LOCK Indicates [ON/OFF] condition of lock signal from Intelligent Key.
I - KEY UNLOCK Indicates [ON/OFF] condition of unlock signal from Intelligent Key.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position
I - KEY DR UNLK Indicates [ON/OFF] condition of unlock signal from door request switch (driver side)
I - KEY AS UNLK Indicates [ON/OFF] condition of unlock signal from door request switch (passenger side)
Test item in “DOOR LOCK” Content
ALL LOCKThis test is able to check all door lock actuators lock operation.
These actuators lock when “ALL LOCK” on CONSULT-II screen is touched.
DR UNLOCKThis test is able to check door lock actuator (driver side) unlock operation.
This actuator unlock when “DR UNLOCK” on CONSULT-II screen is touched.
OTHER UNLOCKThis test is able to check all door lock actuators (except driver side) unlock operation.
These actuators unlock when “OTHER UNLOCK” on CONSULT-II screen is touched.
ALL UNLOCKThis test is able to check all door lock actuators unlock operation.
These actuators unlock when “ALL UNLOCK” on CONSULT-II screen is touched.
AS UNLOCKThis test is able to check door lock actuator (passenger side) unlock operation.
This actuator unlock when “AS UNLOCK” on CONSULT-II screen is touched.

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
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POWER DOOR LOCK SYSTEM
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Check Door Lock and Unlock Switch NIS001X0
1. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
With CONSULT-II
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in DATA MONITOR mode with CONSULT-II.
Without CONSULT-II
1. Remove key from ignition switch, and the door of driver side and passenger side is closed.
2. Check signal between BCM connector and ground with oscilloscope when door lock and unlock switch
(driver side and passenger side) is turned “LOCK” or “UNLOCK”.
3. Make sure signals which are shown in the figure below can be detected during 10 second just after door
lock and unlock switch (driver side and passenger side) is turned “LOCK” or “UNLOCK”.
OK or NG
OK >> Door lock and unlock switch is OK.
NG >> GO TO 2.
Monitor item Condition
CDL LOCK SW LOCK : ON
UNLOCK : OFF
CDL UNLOCK SW LOCK : OFF
UNLOCK : ON
PIIA7068E
Terminal
Signal
(Reference value) (+)
(–)
BCM connector Terminal
M1 22 Ground
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POWER DOOR LOCK SYSTEM
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2. CHECK POWER WINDOW SWITCH GROUND
1. Turn ignition switch OFF.
2. Disconnect power window main switch and front power window switch (passenger side) connector.
3. Check continuity between power window main switch connector and ground.
4. Check continuity between power window sub-switch (front passenger side) connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector and power window main switch connector.
3. Check continuity between BCM connector and power window sub-switch (front passenger side) connec-
tor.
OK or NG
OK >> Replace power window main switch.
NG >> Repair or replace harness.
Power window main
switch connectorTerminal Continuity
D11 17 Ground Yes
PIIB5937E
Power window
sub-switch
(front passenger side)
connectorTerminal Continuity
D46 11 Ground Yes
PIIB5941E
AB
Continuity
BCM connector TerminalPower window
main switch
connectorTerminal
M1 22 D10 14 Yes
PIIB5958E
AB
Continuity
BCM connector TerminalPower window
sub- switch
(front passenger side)
connectorTerminal
M1 22 D46 16 Yes
PIIB5959E