The Niva SUV is known under the names VAZ-2121 (VAZ 21213, VAZ 21214) and since 2006 as Lada 4×4. Produced from 1977 to the present with various body modifications, mainly 3 and 5-door station wagons with gasoline engines (carburetor, injector). In our publication you will find a designation of Niva 2121 fuse boxes and relays with their locations, photo examples of execution and box diagrams. Note the fuse responsible for the cigarette lighter. In conclusion, we will offer the Niva wiring diagram for download.
Due to the long production period and the huge variety of versions, there is no one general description of the fuse and relay box for the Niva 2121. In your car, the purpose of the fuses may differ from that presented.
All main fuse and relay boxes are located in the passenger compartment, under the dashboard on the driver’s side.
Contents
General layout boxes
Diagram
Assignment
- Engine control fuse box
- Windscreen wiper relay
- Main fuse box
- Engine control system relay box
- Additional relay box (above the gas pedal, and not shown in the diagram)
Engine control fuse box
Diagram
Designation
| 1 | 15A 1 * ECM Sensors Starter Relay Canister Purge Valve |
| 1 | 7.5A 2 * Controller |
| 1 | 3: Electric fuel pump relay (contacts) Electric fuel pump |
| 1 | 30A 4.5 * Cooling fan |
| 2 | 15A 1 * Injectors Ignition coils ECM Relay for electric fan right Relay for electric fan left |
| 2 | 15A 2 * Electric fuel pump relay (contacts) Electric fuel pump |
| 2 | 30A 3 * Reserve |
| 2 | 30A 4.5 * Cooling fan |
| 3.4 | 30A 1 * Electric fans (right, left) Relay for electric fan, right Relay for electric fan, left |
| 3 | 15A 2 * Main relay |
| 3 | 15A 3 * Controller |
| 3 | 15A 4 * Ignition coil, fan relay control supply, controller, injectors |
| 3 | 15A 5 * Ignition relay |
| 4 | 15A 3 * Main relay Relay for electric fans (coil) Relay for electric fuel pump (coil) Vehicle speed sensor Solenoid valve for adsorber Oxygen sensor Mass air flow sensor Controller |
| 4.5 | 30A 2 * Relay for electric fans (winding) (right, left) Electric motor for electric fans (right, left) |
| 4 | 15A 4 * Mass air flow sensor, phase sensor, heated oxygen sensor (two), adsorber purge valve, DS |
| 4 | 15A 5 * Electro fuel pump |
| 5 | 15A 1 * Electric fuel pump Electric fuel pump relay |
1 * – 2014-2016, 2 * – 2010-2012, 3 * – 2007-2008, 4 * – Cars with Bosch ME17.9.7 / M74 controllers, 5 * – Cars with 7.9.7+ controllers.
Main fuse box
Diagram
Appointment
| 1 | 16A Heater fan motor Relay (winding) of headlamp cleaners and motors of headlamp cleaners at all brush positions, except for the initial one Relay (winding) for turning on the rear window heating Electric motors for the rear window washer and washer Windshield washer motor |
| 1* | 16A Courtesy lights Horns Power socket Cigarette lighter Brake lights |
| 2 | 8A Relay and windshield wiper motor Lamps for direction indicators and relay-breaker for direction indicators and alarm (in direction indication mode) Indicator lamp for direction indicators Rear lights (reverse light lamps) Generator excitation winding (when starting the engine) Control lamp for switching on differential lock in the transfer case Indicator lamp for activating the parking brake Indicator lamp for emergency state of the service brake system Indicator lamp for insufficient oil pressure Indicator for the temperature of the liquid in the engine cooling system Indicator for fuel level with indicator lamp for fuel reserve The warning lamp battery charge control lamp cover carburetor choke valve tachometer motor heater relay wiper and headlight washers (if not pressed wiper switch and a washer range) Electric cleaners range for all positions of the brush, other than the source * |
| 3 | 8A Left headlight (high beam lamp) Indicator lamp for turning on the high beam headlights |
| 4 | 8A Right headlight (high beam lamp) |
| 5 | 8A Left headlight (low beam lamp) |
| 6 | 8A Right headlight (low beam lamp) |
| 7 | 8A Left front light (side light) Right rear light (side light) License plate lights Indicator lamp for turning on the side lights |
| 8 | 8A Right front light (side light) Left rear light (side light) Instrument illumination lamp Heater control levers illumination panel Cigarette lighter illumination lamp Switch and switch illumination lamps |
| 9 | 16A Direction indicators and relay-interrupter for direction indicators and alarm system Heated rear window element and relay (contacts) for turning it on |
| 9* | 8A Indicator lamp and oil pressure indicator Coolant temperature indicator Fuel level indicator with reserve indicator lamp Parking brake indicator lamp Brake fluid level indicator lamp Direction indicators and corresponding indicator lamp Carburetor air flap control indicator Battery charge indicator Carburetor shut – off valve Tachometer Rear lights (reverse light) Differential lock warning lamp Turn signal interrupter relay Heated rear window (control circuit) |
| 10 | 16A Sound signal Socket for connecting a portable lamp Interior lighting lamps Rear lights (brake light lamps) |
| 10* | 8A Voltage regulator Generator excitation winding |
| 11 | 8A Direction indicator lamps and relay-interrupter for direction indicators and alarm (in alarm mode) Rear fog lamp |
| 12 | 8A Daytime running light relay, daytime running light bulbs |
| 12* | 8A Relay for cleaner and headlamp washer (when the button of the wiper and headlight washer switch is pressed) Headlight washer electric motor Headlight washer electric motors at the moment of starting and at the moment when the brushes pass the initial position |
| 13 | 8A Rear lights (fog lamps) Electric motors of headlamp cleaners at the moment of starting and at the moment when the brushes pass the initial position Relay (contacts) of headlamp cleaners Electric motor of headlight washer |
| 14 | 16A Cigarette lighter |
| 15 | 16A Backup Heated rear window (power circuit) |
| 16* | 8A Hazard switch and direction indicators in alarm mode Rear window wiper and washer |
The fuse number 14 or number 1 at 16A, depending on the year of manufacture, is responsible for the operation of the cigarette lighter.
Engine control relay box
It is located under the main fuse box and consists of 5 relays and 1 fuse.
Diagram
Electrical box diagram
Assignment
- Ignition relay
- Main relay
- Cooling fan relay, right
- Left cooling fan relay
- Fuel pump relay
- F5 15A fuel pump fuse
The only difference between Niva with injection and carburetor systems is due to the fact that the engine control relay unit can be located under the hood of the car in a specially designated compartment.
Additional relay box
This unit is located above the gas pedal.
Diagram
Designation
- Rear fog lamp relay
- Heated rear window relay
- Headlamp low beam relay
- Headlamp high beam relay
Slightly higher, above the box, a relay can be installed – a breaker for direction indicators and alarm.
Separate fuses and relays can be installed under the hood: on cars with ABS, a box with fuses is additionally installed on the left side of the engine compartment near the ABS hydraulic unit, which protect the elements of the anti-lock brake system and the starter relay not far from the starter itself.
Electrical circuit Niva 2121
More information about the electrical equipment Niva 2121 can be obtained by studying this diagram and the designation for it.
And if you have any questions, ask them in the comments.
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