Car engine management system VAZ-21214

Injection engine control system
The layout of the elements of power supply and engine control systems: 1 - ignition relay; 2 - storage battery; 3 - ignition switch; 4– neutralizer; 5 – oxygen concentration...

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 it is additionally checked whether its code...

Replacing the fuses of the engine control system
Disconnect «negative» battery wire. To access the fuses and diagnostic connector of the engine management system.. ... with a Phillips screwdriver, we unscrew in the cabin two...

Engine Control Relay Replacement
Disconnect «negative» battery wire. The relay block of the engine management system is located in the passenger compartment under the instrument panel below the fuse block of the...

Removing the control unit (immobilizer) and an indicator of the state of the automobile anti-theft system (APS)
Disconnect «negative» battery wire. In the cabin, remove the upholstery of the left side of the body (see Removing the controller ). Disconnect the connector from the APS control...

Removing the controller
Disconnect «negative» battery wire. In the cabin, prying with a screwdriver, we remove the two fastening buttons for the upholstery of the front left side of the body. Using a...

Removing the crankshaft position sensor
Turning off the ignition.. ... disconnect the sensor connector. Using a Phillips screwdriver, unscrew the sensor mounting screw. We take out the sensor from the bracket of the...

Removing the coolant temperature sensor
Attention! We work on a cold engine. Partially drain the coolant. Turning off the ignition.. ... disconnect the sensor connector. key «at 19» unscrew the sensor. We take out the...

Removing the Throttle Position Sensor
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...

Removing the Mass Air Flow Sensor
Turning off the ignition.. ... disconnect the electrical connector of the sensor. Using a Phillips screwdriver, loosen the clamp securing the inlet hose.. ... and remove it from...

Removing the knock sensor
We remove the generator (see Removal and disassembly of the generator 9412.3701 injection engine ). Turning off the ignition.. ... disconnect the sensor connector. ring wrench «at...

Removing the oxygen sensor
Attention! We carry out work on a viewing ditch or a lift. Disconnect the oxygen sensor connector. key «at 22» open the sensor.. ...and take it out. When installing the sensor, do...

Removing the speed sensor
Attention! We carry out work on a viewing ditch or a lift. Turning off the ignition.. ... disconnect the sensor connector. key «at 22» turn off speed sensor.. ...and take it off....

Removing the ignition module
Disconnect the connector from the ignition module... ...and high voltage wires. head «on 10» unscrew the three nuts securing the ignition module to the bracket. Remove the...