Nissan Murano: System Description / Structure and Operation
Sectional View

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Transfer cover |
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Transfer case |
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Ring gear bearing (transfer case side) |
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Ring gear shaft |
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Pinion bearing |
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Drive pinion |
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Companion flange |
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Ring gear |
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Ring gear bearing (transfer cover side) |
Operation Description
POWER TRANSFER DIAGRAM

ELECTRIC CONTROLLED COUPLING
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The AWD control unit supplies command current to electric controlled coupling (AWD solenoid).

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The control clutch is engaged by electromagnet and torque is detected in control clutch.
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The cam operates in response to control clutch torque and applies pressure to main clutch.
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The main clutch transmits torque to front wheels according to pressing power.
Component Parts Location
A.
Inside storage room
B.
Rear final drive
No. Component Function
1.
Steering angle sensor
Mainly transmits the following signal to AWD control unit via CAN communication:
Steering angle sensor signal
Refer to Component Parts Location for detailed component location...
System Description
SYSTEM DIAGRAMINPUT SIGNAL AND OUTPUT SIGNALIt transmits/receives each signal from the following AWD control unit via CAN communication line: Component parts Function
ABS actuator and electric unit (control unit)
Transmits the following signals via CAN communication to AWD control unit:
Nissan Murano Vehicle speed signal
Stop lamp switch signal (brake signal)
Yaw rate sensor signal
Side G sensor signal
Decel G sensor signal
ECM
Transmits the following signals via CAN communication to AWD control unit:
Accelerator pedal position signal
Engine speed signal
TCM
Transmits the following signals via CAN communication to AWD control unit:
Input shaft revolutional signal
CVT ratio signal
Combination meter
Transmits conditions of parking brake switch signal via CAN communication to AWD control unit...
Other information:
DTC Description
DESCRIPTIONThe ECM controls the engine idle speed to a specified level through the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator. The operating of the throttle valve is varied to allow for optimum control of the engine idling speed...
Work flow
OVERALL SEQUENCE
Reference 1: On Board Diagnosis Function.
Reference 2: DTC Index.
Reference 3: Diagnosis Procedure.
Reference 4: Component Inspection.
Reference 5: Diagnosis Procedure.
DETAILED FLOWOBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred...