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Trionic 8 calculates how much power the driver wants as early as possible to avoid turbo kick or lag, therefore making driving smooth. As the driver depresses the accelerator pedal, it acts on a pedal position sensor integrated in the pedal bracket.
The Trionic 5.2 and 5.5 systems utilized the manifold absolute pressure (MAP) sensor and the intake air charge temperature sensor to calculate the fuel injection curves, while the Trionic 7 and 8 systems are mass air flow type. Both systems have substantial differences that prevent utilization of components between the two.
[citation needed] The five-pin module was introduced in 1978 and was an early attempt at electronic timing control; it contains a provision for connecting a knock sensor. [ citation needed ] The seven- and eight-pin modules are used on early computer -controlled engines in conjunction with fixed-timing distributors, as the computer controls the ...
A control loop is permanently monitoring the signal of one or more knock sensors (commonly piezoelectric sensor which are able to translate vibrations into an electric signal). If the characteristic pressure peak of a knocking combustion is detected the ignition timing is retarded by steps of a few degrees.
The new flat-type knock sensor is a completely different design and detects more frequencies than the traditional resonator type. This provides the ECU with more accurate data. A bolt goes through the center of the knock sensor, which then mates the sensor to the block on each bank. Applications: 2004-2007 Toyota Highlander
2005–2009 Land Rover Discovery 3 / LR3 The Land Rover version of the cast iron engine block has different motor mount castings/machined surfaces for the motor mounts and the left mount engine knock sensor, plus the engine girdle (upper oil pan) has a threaded hole drilled and tapped for an engine oil temperature sensor.
Knock sensor; Additional signals used as inputs are: Air conditioner (compressor on) Car battery voltage; Starter motor signal; Digifant system inputs/outputs. power steering pump (supplying pressure) The Anti-lock Braking System (ABS), three-speed automatic transmission, and vehicle speed sensor are not linked to this system.
Knock Sensor - located on engine block; retards timing if pinging/detonation is detected. Heated Throttle Body - heated by engine coolant. The QG18DE is used in the following vehicles: 2000-2006 Nissan Sentra B15 and N16; 2000-2005 Nissan Pulsar N16; 1999-2002 Nissan Primera P11.144; 2002-2007 Nissan Primera P12; 2000-2006 Nissan Almera N16