Exhaust valve timing control : system diagram
Exhaust valve timing control : system description
INPUT/OUTPUT SIGNAL CHART
Sensor | Input signal to ECM | ECM function | Actuator |
Crankshaft position sensor (POS) | Engine speed*1 Piston position | Exhaust valve timing control | Exhaust valve timing control solenoid valve |
Camshaft position sensor (PHASE) | |||
Engine oil temperature sensor | Engine oil temperature | ||
Engine coolant temperature sensor | Engine coolant temperature | ||
Combination meter | Vehicle speed*2 |
*1: ECM determines the start signal status by the signals of engine speed and battery voltage.
*2: This signal is sent to the ECM through CAN communication line.
SYSTEM DESCRIPTION
This mechanism hydraulically controls cam phases continuously with the fixed operating angle of the exhaust valve.
The ECM receives signals such as crankshaft position, camshaft position, engine speed, engine oil temperature and engine coolant temperature. Then, the ECM sends ON/OFF pulse duty signals to the exhaust valve timing (EVT) control solenoid valve depending on driving status. This makes it possible to control the shut/ open timing of the exhaust valve to increase engine torque and output in a range of high engine speed.
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S connector circuit
Description
The starter motor magnetic switch is supplied with power when the ignition
switch is turned to the START position
while the selector lever is in the P (Park) or N (Neutral) position.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR, "Wiring Diagram - Wit ...
Nissan vehicle immobilizer system-NATS
NISSAN VEHICLE IMMOBILIZER SYSTEMNATS
: System Diagram
NISSAN VEHICLE IMMOBILIZER SYSTEMNATS
: System Description
INPUT/OUTPUT SIGNAL CHART
BCM
SYSTEM DESCRIPTION
NATS (N ...