Car engine management system VAZ-21214

All articles on the device and repair of components and assemblies of the injection engine control system for VAZ-21214 Niva cars and their modifications.

Injection engine control system
Layout diagram of the engine power supply and control system elements: 1 – ignition relay; 2 – battery; 3 – ignition switch; 4 - Neutralizer; 5 – oxygen concentration sensor; 6 –...

Operation of the injection system
The controller receives a command to start the control system when the ignition is turned on. If the immobilizer is activated, then an additional check is made to see if its code...

Replacing the engine management system fuses
Disconnect the negative cable from the battery. To access the fuses and diagnostic connector for the engine management system… ...using a Phillips screwdriver, unscrew the two...

Replacing the engine management system relay
Disconnect the negative cable from the battery. The engine management system relay unit is located in the vehicle interior under the instrument panel below the vehicle electrical...

Removal the control unit (immobilizer) and the status indicator of the vehicle anti-theft system (APS)
Disconnect the negative cable from the battery. In the passenger compartment, remove the trim of the left side of the body (see Removal the controller ). Disconnect the connector...

Removal the controller
Disconnect the negative cable from the battery. In the passenger compartment, using a screwdriver, we remove two buttons securing the trim of the front left side of the body....

Removal the crankshaft position sensor
After turning off the ignition,… …disconnect the sensor connector. Using a Phillips screwdriver, unscrew the sensor mounting screw. We remove the sensor from the camshaft drive...

Removal the coolant temperature sensor
Attention! We carry out the work on a cold engine. We partially drain the coolant. After turning off the ignition,… …disconnect the sensor connector. Using a 19 mm wrench, unscrew...

Removal the throttle position sensor
After turning off the ignition,... ...disconnect the electrical connector of the sensor. Using a Phillips screwdriver, unscrew the two screws securing the sensor to the throttle...

Removal the mass air flow sensor
After turning off the ignition,… …disconnect the sensor's electrical connector. Using a Phillips screwdriver, loosen the clamp securing the supply hose… …and remove it from the...

Removal the knock sensor
Remove the generator (see Removal and disassembly of the generator 9412.3701 injection engine ). After turning off the ignition,… …disconnect the sensor connector. Using a 13 mm...

Removal the oxygen sensor
Attention! We carry out the work on an inspection pit or lift. Disconnect the oxygen sensor connector. Using a 22 mm wrench, unscrew the sensor… …and we take it out. When...

Removal the speed sensor
Attention! We carry out the work on an inspection pit or lift. After turning off the ignition,… …disconnect the sensor connector. Using a 22 mm wrench, unscrew the speed sensor…...

Removal the ignition module
Disconnect the connector from the ignition module... ...and high-voltage wires. Using a 10 mm socket head, unscrew the three nuts securing the ignition module to the bracket. We...

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More articles from other manuals on VAZ cars:
➠ Power unit: Control system VAZ-2112 (1999-2007)
➠ Power unit: Control system VAZ-2107 (1982-2012)
➠ Power unit: Control system VAZ-2114 (2004-2013)
➠ Power unit: Control system VAZ-2104 (1984-2012)

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