2006 INFINITI M35 Factory Service Manual

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Page 5473 of 5621

INFINITI M35 2006 Factory Service Manual TF-8
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 January2006 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000D8
Use the cha

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INFINITI M35 2006 Factory Service Manual TRANSFER FLUID
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Revision: 2006 January2006 M35/M45
TRANSFER FLUIDPFP:31001
ReplacementNDS000D9
DRAINING
1. Run the vehicle to warm up the transfer unit sufficiently.
2. S

Page 5475 of 5621

INFINITI M35 2006 Factory Service Manual TF-10
AWD SYSTEM
Revision: 2006 January2006 M35/M45
AWD SYSTEMPFP:41650
Power Transfer DiagramNDS000DB
System DescriptionNDS000DC
DESCRIPTION
Electronic control allows optimal distribution of torque t

Page 5476 of 5621

INFINITI M35 2006 Factory Service Manual AWD SYSTEM
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Revision: 2006 January2006 M35/M45
ELECTRIC CONTROLLED COUPLING
Operation Principle
1. AWD control unit supplies command current to electric controlled coupl

Page 5477 of 5621

INFINITI M35 2006 Factory Service Manual TF-12
AWD SYSTEM
Revision: 2006 January2006 M35/M45
AWD WARNING LAMP
Turns ON when there is a malfunction in AWD system. It indicates that fail-safe mode is engaged and vehicle
change to rear-wheel dr

Page 5478 of 5621

INFINITI M35 2006 Factory Service Manual AWD SYSTEM
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Revision: 2006 January2006 M35/M45
COMPONENTS FUNCTION DESCRIPTION
CAN CommunicationNDS000DE
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial co

AWD SYSTEM
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COMPONENTS FUNCTION DESCRIPTION
CAN CommunicationNDS000DE
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
For details, refer to LAN-34, "
CAN Communication Unit" .
Component parts Function
AWD control unit
Controls driving force distribution by signals from each sensor and switch from rear wheel driving
mode (0:100) to AWD mode (50:50).
2WD mode is available by fail-safe function if malfunction is detected in AWD system.
Wheel sensors Detects wheel speed.
AWD solenoid Controls electric controlled coupling by command current from AWD control unit.
Electric controlled coupling Transmits driving force to front final drive.
AWD warning lamp
Illuminates if malfunction is detected in electrical system of AWD system.
There is 1 blink in 2 seconds if rotation difference of front wheels and rear wheels is large.
There are 2 blinks in 1 second if load is still applied to driving parts.
ABS actuator and electric unit
(control unit)Transmits the following signals via CAN communication to AWD control unit.
Vehicle speed signal
Stop lamp switch signal (brake signal)
ECMTransmits the following signals via CAN communication to AWD control unit.
Accelerator pedal position signal
Engine speed signal
Unified meter and A/C amp. Transmits conditions of parking brake switch via CAN communication to AWD control unit.

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INFINITI M35 2006 Factory Service Manual TF-14
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
TROUBLE DIAGNOSISPFP:00004
Fail-Safe FunctionNDS000DF
If any malfunction occurs in AWD electrical system, and control unit detects the malfun

Page 5480 of 5621

INFINITI M35 2006 Factory Service Manual TROUBLE DIAGNOSIS
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Revision: 2006 January2006 M35/M45
Location of Electrical PartsNDS000DH
SDIA3135E

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