Nissan Maxima Service and Repair Manual: Electronic controlled engine mount
System Diagram
![Nissan Maxima. System Diagram](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_474.jpg)
System Description
INPUT/OUTPUT SIGNAL CHART
![Nissan Maxima. INPUT/OUTPUT SIGNAL CHART](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_475.jpg)
*: This signal is sent to the ECM via the CAN communication line.
SYSTEM DESCRIPTION
The ECM controls the engine mount operation corresponding to the engine
speed. The control system has a
2-step control [Soft/Hard]
![Nissan Maxima. SYSTEM DESCRIPTION](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_476.jpg)
ELECTRONIC CONTROLLED ENGINE MOUNT LINE DRAWING
![Nissan Maxima. ELECTRONIC CONTROLLED ENGINE MOUNT LINE DRAWING](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_477.jpg)
- Power valve actuator 1
- VIAS control solenoid valve 1
- VIAS control solenoid valve 2
- Power valve actuator 2
- Intake manifold collector
: From next figure
![Nissan Maxima. ELECTRONIC CONTROLLED ENGINE MOUNT LINE DRAWING](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_479.jpg)
- Electronic controlled engine mount
control solenoid valve
- Front electronic controlled engine
mount
- Rear electronic controlled engine
mount
: To previous figure
NOTE:
Do not use soapy water or any type of solvent while installing vacuum hose.
Component Parts Location
![Nissan Maxima. Component Parts Location](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_481.jpg)
- Intake valve timing control solenoid
valve (bank 1)
- Electronic controlled engine mount
control solenoid valve
- Exhaust valve timing control magnet
retarder (bank 2)
- Intake valve timing control solenoid
valve (bank 2)
- Knock sensor (bank 1 and 2)
- Fuel injector (bank 2)
- Ignition coil (with power transistor) and
spark plug (bank 2)
- Exhaust valve timing control position
sensor (bank 2)
- Crankshaft position sensor (POS)
- Engine coolant temperature sensor
- Camshaft position sensor (PHASE)
(bank 2)
- Transmission range switch
- Refrigerant pressure sensor
- ECM
- Battery current sensor
- . Condenser-2
- EVAP canister purge volume control
solenoid valve
- Mass air flow sensor (with intake air
temperature sensor)
- Camshaft position sensor (PHASE)
(bank 1)
- EVAP service port
- Power valve actuator 2
- Electric throttle control actuator
- Exhaust valve timing control position
sensor (bank 1)
- Ignition coil (with power transistor) and
spark plug (bank 1)
- Fuel injector (bank 1)
- VIAS control solenoid valve 1 and 2
- Power valve actuator 1
- Exhaust valve timing control magnet
retarder (bank 1)
- Power steering pressure sensor
![Nissan Maxima. Component Parts Location](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_482.gif)
- Mas air flow sensor (with intake air
temperature sensor)
- Air cleaner case
- Engine coolant temperature sensor
(view with engine cover removed)
- EVAP canister purge volume control
solenoid valve (view with engine cover
removed)
- Power valve actuator 1 (view with engine
cover removed)
- VIAS control solenoid valve 1
- VIAS control solenoid valve 2
- Power valve actuator 2
- Power steering pressure sensor
- Tie rod (RH)
- Camshaft position sensor (PHASE)
(bank 1) (view with air cleaner case removed)
- Exhaust valve timing control position
sensor (bank 1)
- Camshaft position sensor (PHASE)
(bank 2) (view with air cleaner case removed)
- Exhaust valve timing control position
sensor (bank 2)
- Engine oil temperature sensor
: Vehicle front
![Nissan Maxima. Component Parts Location](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_484.jpg)
- A/F sensor 1 (bank 1) (view with engine
removed)
- A/F sensor 1 (bank 2)
- HO2S2 (bank 1) harness connector
(view with engine removed)
- HO2S2 (bank 2) harness connector
- Front engine mount
- Crankshaft position sensor (POS)
: Vehicle front
![Nissan Maxima. Component Parts Location](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_486.gif)
- Electronic controlled engine mount
control solenoid valve (view with engine
cover removed)
- EVAP control system pressure sensor
(view with rear suspension member removed)
- EVAP canister vent control valve
- EVAP canister
- Fuel injector harness connector (view
with intake manifold collector removed)
- Exhaust valve timing control magnet
retarder (bank 1) (view with engine removed)
- Intake valve timing control solenoid
valve (bank 1)
- Intake valve timing control solenoid
valve (bank 2)
- Exhaust valve timing control magnet
retarder (bank 2)
: Vehicle front
![Nissan Maxima. Component Parts Location](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_488.gif)
- Knock sensor (bank 2) (view with intake
manifold removed)
- Knock sensor (bank 1)
- Transmission range switch
(view with CVT removed)
- Battery
- IPDM E/R
- ECM
- Refrigerant pressure sensor (view
with front grille removed)
- Accelerator pedal position sensor
: Vehicle front
![Nissan Maxima. Component Parts Location](/images/manuals/399/nissan_maxima_electronic_controlled_engine_mount_490.jpg)
- Stop lamp switch
- ASCD brake switch
- ASCD steering switch
Component Description
Component Reference
- Camshaft position sensor (PHASE) EC-300, "Description"
- Crankshaft position sensor (POS) EC-296, "Description"
- Electronic controlled engine mount control solenoid valve
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*1: The ECM determines the start signal status by the signals of engine speed
and battery voltage.
*2: This signal is sent to ...
System Diagram
System Description
*1: ECM determines the start signal status by the signals of engine speed and
battery voltage.
*2: This signal is sent to the ECM via the CAN communicat ...
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System Diagram
CONTROL SYSTEM
The control system consists of input sensors, switches, the A/C auto amp.
(microcomputer) and outputs. The
relationship of these components is as shown in the figure below:
System Description
CONTROL OPERATION
Display
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Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
It is also important to clarify customer complaints before inspection. First
of all, reproduce symptoms, andunderstand them fully. Ask customer about
his/her complaints carefully. In some cases, ...