Equipment and Electrical Appliances VAZ-2115

All articles about the installation and repair of electrical equipment and instruments of VAZ-2115 cars (Lada Samara 115, sedan) and their modifications.

Safety precautions when working with electrical equipment
When repairing electrical equipment and the engine power supply system, disconnect the wire from the "–" terminal of the battery. When replacing fuses, do not use screwdrivers or...

Location of fuses and relays
Most of the electrical circuits in a vehicle are protected by fuses. The battery charging circuit, engine ignition and starting circuits, and generator are not protected by fuses....

Removal and installation the fuse box
The relay and fuse box is installed in the engine compartment, in the compartment in front of the windshield on the left side. You will need: a 10 mm wrench and a screwdriver. 1....

Repair of the mounting block
Repair of the mounting block consists of replacing the printed circuit boards. It is permissible to solder wires to replace burnt-out current-carrying tracks on the printed...

Features of the ignition switch design
The vehicle is equipped with an ignition switch (lock) type 2110-3704005 or KZ-881. The ignition switch is equipped with an anti-theft locking device, a starter re-engagement lock...

Checking the ignition switch
This is the conventional numbering of the contacts of the wiring harness connector. Please note that the connector socket is asymmetrical (the reference point is the mounting...

Removal and installation the ignition switch
You will need: a chisel, a hammer, a screwdriver. 1. Disconnect the wire from the "–" terminal of the battery. 2. Remove the steering wheel (see " Removal and installation the...

Replacing the ignition switch contact group
You will need: a chisel, a hammer, a screwdriver. 1. Remove the ignition switch (see " Removal and installation the ignition switch "). 2. Disconnect the wiring harness from the...

Checking and replacing steering column switches
Positions of the steering column switch levers: the bold lines show the initial positions, the thin lines show the fixed positions, and the dotted lines show the non-fixed...

Adjusting and replacing the sound signal
Cars can be equipped with sound signals of types C-304 and C-305 (detachable) or 20.3721-01 and 201.3721-01 (non-separable). The horn is located in the engine compartment and is...

Replacing the Horn Contact Ring
You will need a screwdriver. 1. Disconnect the wire from the "–" terminal of the battery. 2. Remove the steering wheel (see " Removal and installation the steering wheel "). 3....

Design features of windshield wipers and washers
The windshield wiper consists of an electric drive, levers and brushes. The movement of the brushes is parallel. The wiper connection diagram is shown in the figure below. There...

Removal, repair and installation of windshield wipers
You will need: keys "10", "24", screwdriver. 1. Disconnect the wire from the "–" terminal of the battery. 2. Turn both brush levers to a vertical position and unscrew their...

Removal, repair and installation of the rear window wiper
You will need: keys "10", "21", screwdriver. 1. Remove the spoiler (see " Removal and installation a spoiler on hatchback cars "). Turn the wiper arm to the vertical position,...

Removal and installation the washer reservoir
1. Disconnect the connector with the wire from the washer fluid level sensor. 2. Disconnect the connectors with wires from the windshield and tailgate window washer electric...

Electric motor of the heater fan
Electric motor of the heater fan type 45.3730, with excitation from permanent magnets. Electric motor connection diagram: In the diagram of the connection of the electric motor of...

Removal and installation the heater fan
The heater fan is located in the compartment in front of the windshield under the hood. It can be removed without removing the heater from the car. You will need a screwdriver. 1....

Disassembling the heater fan and repairing the electric motor
This is what the removed heater fan looks like: 1 – protective cover of the electric motor; 2 – right fan shroud; 3 – left fan casing; 4 – fan support. Technical characteristics...

Replacing the additional heater resistor
The resistor is used to select the fan operating mode. It has two spirals with a resistance of 0.23 and 0.82 Ohm. When turning the knob on the heater control panel, you can...

Electric motor of the cooling system fan
To drive the engine cooling system fan, a domestically produced ME-272 type DC electric motor with permanent magnet excitation or a similar one made in Slovenia is used. The...

Heated rear window (and tailgate window)
The rear window heating element is connected via relay type 904.3747, installed in the mounting block . Voltage is supplied to the rear window heating switch only when the...

Features of the instrument cluster design
All the vehicle's control and measuring instruments are combined into instrument cluster . It includes an electronic speedometer and tachometer, a liquid crystal display of the...

Removal and installation the instrument cluster
You will need a screwdriver. 1. Disconnect the wire from the "–" terminal of the battery. 2. Remove the instrument panel shield (see " Removal and installation the instrument...

Replacing the indicator lamps in the instrument cluster
The instrument cluster contains control lamps A12–1.2. 1. Disconnect the wire from the "–" terminal of the battery. 2. Remove the instrument cluster (see " Removal and...

Possible malfunctions of the instrument cluster
Cause of malfunction Method of elimination Temperature or fuel gauge not working Damaged instrument cluster Check the instrument cluster and replace if faulty The device sensor is...

Methodology for troubleshooting devices
Coolant temperature gauge . When the pointer is constantly at the beginning of the scale, disconnect the wire from the pointer sensor with the ignition on and connect the tip of...

Checking the devices
The instrument cluster is equipped with a built-in self-diagnostic system. This system allows testing of the instrument cluster on the vehicle. With the ignition off, press and...

Checking the sensors of control devices
The coolant temperature gauge sensor contains a thermistor that changes its resistance depending on the coolant temperature. To check the sensor, measure the resistance at its...

Replacing the instrument lighting switch
You will need pliers. 1. Disconnect the wire from the "–" terminal of the battery. 2. Remove the hydraulic corrector handle by pulling it towards you… 3. …and the instrument...

Replacing the hazard warning switch
You will need a screwdriver. 1. Disconnect the wire from the "–" terminal of the battery. 2. Remove the steering column trim (see " Removal and installation steering column trims...

Replacing the Low Oil Pressure Warning Light Sensor
You will need a 22 mm wrench. 1. Disconnect the wire from the "–" terminal of the battery. 2. Disconnect the connector with the wire from the sensor. 3. Unscrew the sensor from...

Replacing the coolant temperature gauge sensor
You will need a 22 mm wrench. 1. Disconnect the wire from the "–" terminal of the battery. 2. Drain the coolant (see " Replacing the coolant "). Helpful tips: You don't have to...

Replacing the washer fluid level sensor in the washer reservoir
The washer fluid level sensor is installed on the washer reservoir. 1. Disconnect the wire from the "–" terminal of the battery. 2. Disconnect the wiring harness from the washer...

Replacing the coolant level sensor in the expansion tank
The coolant level sensor is installed in the expansion tank of the cooling system. 1. Disconnect the wire from the "–" terminal of the battery. 2. Disconnect the wiring harness...

Replacing the engine oil level sensor
You will need a 10 mm wrench. 1. Place the vehicle on an inspection pit or lift. 2. Disconnect the wire from the "–" terminal of the battery. 3. Disconnect the wiring harness...

Replacing the reverse light switch
The reverse light switch is mounted on the bottom of the gearbox. You will need a 22 mm wrench. 1. Disconnect the wire from the "–" terminal of the battery. 2. Raise the vehicle...

Trip computer
The trip computer, installed on some of the vehicles produced, is designed to measure, accumulate and display one of seven parameters: fuel consumption (current, average, total);...

On-board control system indicator unit
The on-board monitoring system indicator unit contains an electronic control circuit with an audible alarm and seven LED alarms: low oil level, low washer fluid level, low coolant...

Design features of electric window lifters
Some of the cars produced are equipped with electric windows for lowering and raising the front door windows. In the window lift mechanism, instead of the gear reducer used in...

Electric heated front seats
Some vehicles are equipped with a front seat heating system. Front seat heating connection diagram: - left front seat heaters; 2 – Left front seat heater switch with indicator...

Removal and installation the cigarette lighter
You will need a screwdriver. 1. Disconnect the wire from the "–" terminal of the battery. 2. Remove the screws and the left instrument panel center console trim. 3. Disconnect the...

Door locking system
The door lock system is designed to simultaneously lock all doors when the left front door lock is locked with a key, and also when the left front door lock button is pressed....

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

More articles from other manuals on VAZ cars:
➠ Electrical equipment: Equipment and devices VAZ-2121 (1977-1994)
➠ Electrical equipment: Equipment and devices VAZ-2110 (1995-2007)
➠ Electrical equipment: Equipment and devices VAZ-2107 (1982-2012)
➠ Electrical equipment: Equipment and devices VAZ-1111 (1988-1996)
➠ Electrical equipment: Equipment and devices VAZ-2105 (1979-2010)

Share with friends: