Design features of onboard electrical equipment The electrical equipment of the car is made according to a single-wire circuit: the negative terminals of sources and consumers of electricity are connected to «weight». The function of the second...
Design features of relays and fuses Most vehicle electrical circuits are protected by fuses installed in the mounting block. The mounting block is located in the instrument panel on the left side below and is closed with a cover....
Replacing fuses and relays in the mounting block Location of relays and fuses in the mounting block: 1, 2 - tweezers; K1 - relay for turning on the electric fan of the radiator of the engine cooling system; K2 - relay for turning on the rear window...
Removal and installation of the mounting block You will need a Phillips screwdriver. 1. Disconnect the wire from the terminal «minus» battery. 2. Remove the mounting block cover (see «Replacing fuses and relays in the mounting block» ). 3. Remove...
Replacing the fuses in the main fuse box Location of the main fuses of the electrical equipment of the car: F1 (30 A) – fuse for power supply of power circuits of the electronic engine control system (ECM); F2 (60 A) - fuse for the power...
Design features of the ignition switch On Lada Priora cars, a switch is used (lock) ignition type 11180-3704010 with an anti-theft locking device, a starter restart lock without first turning off the ignition and an ignition key...
Removal, installation of the ignition lock and its disassembly You will need: hammer, chisel, flat blade screwdriver. 1. Disconnect the wire from the terminal «minus» battery. 2. Remove the steering column cover (see «Removal and installation of facing casings...
The design of the electronic engine control system (ECM) Lada Priora cars have an electronic engine management system (ECM) with electronic control unit (ECU) 21126-1411020-10 (-11 or -12) type Bosch M 7.9.7 (Bosch M 10 or «January-7» respectively). The...
Operation of the fuel injection system The amount of fuel supplied by the injectors is controlled by an electrical impulse signal from the ECU. It monitors data on the state of the engine, calculates the need for fuel and determines the...
Electronic engine control unit (controller) Electronic control unit (ECU or controller) located under the instrument panel and is the control center of the electronic engine management system. It continuously processes information from various...
Engine management sensors The coolant temperature sensor is a thermistor (resistor whose resistance changes with temperature). The sensor is screwed into the thermostat housing and connected to the computer. At low...
Design features of the windshield wiper The windshield wiper assembly consists of a gearmotor (electric motor with gearbox), levers and brushes. Cleaner motor with permanent magnet excitation, three-brush, two speeds. To protect the...
Removal, dismantling and installation of a cleaner of a windshield You will need: flat blade screwdriver, box wrench «on 10», end head «on 10». 1. Disconnect the wire from the terminal «minus» battery. 2. Use a screwdriver to pry off the decorative caps of the nuts...
Removal and installation of a washer tank You will need a key «on 10». 1. Remove the battery (see «Removing and installing the battery» ). 2. Disconnect the pads with wires from the washer pump. Note that the conclusion «plus» the electric...
Checking and replacing the washer pump with an electric motor If no fluid is coming out of the washer, check the fuse in the motor power circuit. If the fuse is good, check the power supply circuit of the electric motor and the electric motor itself. You will...
Rear window heating system Pic. 10.11. Scheme of switching on the rear window heating element: 1 - mounting block; 2 – an element of heating of back glass; 3 – the switch of heating of back glass; 4 - switch (lock) ignition; 5...
Replacing the cigarette lighter and its backlight You will need a flat blade screwdriver. 1. Remove the top lining of the floor tunnel (see «Removal and installation of floor tunnel linings» ). 2. Remove the cigarette lighter and, having pressed the...
Removal and installation of a combination of devices All control devices of the car are united in a combination of devices. It includes an electronic speedometer and tachometer, coolant temperature and fuel gauges, control and signal lamps, trip...
Replacing the ambient air temperature sensor 1. Disconnect the wire from the terminal «minus» battery. 2. Remove the front bumper (see «Removal and installation of a forward bumper» ). 3. Overcoming the resistance of the clamps, remove the...
Electronic anti-theft remote control system Lada Priora cars are equipped with an electronic anti-theft remote control system built into the double-glazed window control module, which includes the following functions: remote blocking...
Control of the electronic anti-theft system Locking door locks and arming from the remote control Pic. 1.7. instrument cluster Pic. 10.12. Remote control: 1 - unlock button; 2 - button for unlocking the trunk lid; 3 - lock button To lock all...
Replacing the battery in the remote control The remote control contains a 3V CR2032 lithium battery. The supply voltage is normal if, when pressing the remote control buttons, a short flash of the LED indicator occurs. The voltage is below...
Removal and installation of the double-glazed window control unit You will need: Phillips screwdriver, socket wrench «on 10». 1. Disconnect the wire from the terminal «minus» battery. 2. Remove the right and left side linings of the floor tunnel (see «Removal and...
Design features of the immobilizer An immobilizer is installed on Lada Priora cars, which is an electronic system designed to prevent unauthorized starting of the engine by breaking the electrical circuits of the engine control...
Learning immobilizer keys To activate the anti-theft function, perform the immobilizer learning procedure. After completing the entire training procedure: the anti-theft function will be activated in the engine management...
Actions in case of loss of immobilizer keys Lost working key you need to purchase a blank of a new key and cut it to work with the switch (castle) ignition installed on the vehicle. Then follow the immobilizer learning procedure (see «Learning...
Additional functions of the immobilizer Delay control for turning off the interior lighting This function allows you to provide interior lighting for some time after the car doors are closed, which makes it easier for the driver to work at...
Electromechanical power steering control unit Lada Priora cars are equipped with an electromechanical power steering. The control unit is a non-repairable product; in case of a malfunction, it is replaced as an assembly. Pic. 1.7. instrument...
Replacing the oil pressure warning light sensor The oil pressure warning light sensor is screwed into the oil passage on the right side of the cylinder block under the exhaust manifold. You will need a key «at 21». Note. Observing safety measures,...
Replacing the coolant temperature gauge sensor You need a high head «at 21» (candle key). Note. Observing safety measures, carry out work on replacing the sensor on a cold engine or, in order not to burn your hands, use cloth gloves and...
Stoplight Switch Replacement You will need a key «at 19». 1. Disconnect the wire from the terminal «minus» battery. 2. Disconnect the pads with wires from the switch terminals. 3. Loosen the switch locknut and unscrew the switch...