Car engine management system Lada Vesta 1

Engine Management System — Design Description
Engine management system 21129: 1 - ignition switch (lock); 2 - main relay; 3 - battery; 4 - diagnostic connector block; 5 - instrument panel; 6 - electric fan of the engine cooling system; 7 -...

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Basic data for monitoring, adjustment and maintenance
Table 9.2.11. Basic data for monitoring, adjustment and maintenance Spark plug marking (manufacturer) AU17DVRM (Bosch Saratov) DR15YC-1 (Brisk) FR7DCU (Bosch) Spark plug thread M14x1.25 Gap between...

Description of the engine management system
Location of engine control system components 21129: 1 - electromagnetic valve of the intake manifold length variation system; 2 - purge valve of the adsorber; 3 - absolute pressure and air...

Safety precautions for maintenance and repair of the engine management system
When performing maintenance and servicing, the following precautions must be taken: Do not touch the ECU terminals with your hands - the engine management system is microprocessor-based, the...

Checking the technical condition of the engine management system
The electronic control unit (ECU) of the engine management system has a self-diagnostic mode. When the ignition is turned on, the engine management system malfunction indicator lamp should light up,...

Ignition Coil — Checking and Replacing
To complete the work you will need: a multimeter (in ohmmeter and voltmeter mode). Checking and removing 1. Prepare the car for work (see " Preparing the car for maintenance and repair "). 2. Remove...

Spark plugs — replacement
We replace spark plugs according to the manufacturer's recommendations every 30,000 km or when they fail, if the engine starts to run unstably at idle. To complete the work you will need: a special...

Throttle assembly — removal, gasket replacement and installation
The throttle assembly is non-separable, cannot be repaired and must be replaced in case of malfunction. The need to perform work is determined during the inspection of the technical condition of the...

Injectors — checking and replacement
To check the injectors you will need a multimeter, a wire (1.5-2 m), and insulating tape. Examination 1. Prepare the car for work (see " Preparing the car for maintenance and repair "). 2. Remove the...

Evaporative Canister Purge Valve — Checking and Replacing
The need to perform this work is determined during the inspection of the technical condition of the engine control system (see " Engine Management System - Troubleshooting "). The valve is installed...

Crankshaft Position Sensor — Checking and Replacing
To complete the work you will need: an inspection pit or overpass, a multimeter (in voltmeter mode). Removal 1. To access the sensor, place the vehicle on an inspection pit and prepare the vehicle...

Camshaft Position Sensor — Checking and Replacing
To complete the work you will need: a multimeter (in voltmeter mode). Removal and inspection 1. Prepare the car for work (see " Preparing the car for maintenance and repair "). 2. Remove the...

Coolant Temperature Sensor — Checking and Replacing
The need to perform work can be determined by the fault code read through the diagnostic connector. To complete the work you will need: a multimeter (in voltmeter mode, ohmmeter with a measurement...

Absolute pressure and air temperature sensor — replacement
We determine the sensor malfunction during diagnostics of the engine management system (see " Checking the technical condition of the engine management system "). Sequence of execution 1. Prepare the...

Knock Sensor — Checking and Replacing
The need to perform work can be determined by the fault code read through the diagnostic connector (see " Checking the technical condition of the engine management system "). To complete the work you...

Oxygen Concentration Sensor — Checking and Replacing
The need to perform work can be determined by the fault code read through the diagnostic connector (see " Checking the technical condition of the engine management system "). The vehicle is equipped...

Electronic gas pedal — check and replacement
The need to perform work can be determined by the fault code read through the diagnostic connector (see " Checking the technical condition of the engine management system "). The gas pedal position...

Brake Pedal Position Sensor — Checking and Replacing
The brake pedal position sensor is mounted in the same housing as the brake light switch. To complete the work you will need a multimeter. We check the activation of the brake lights with an...

Clutch Pedal Position Sensor — Checking and Replacing
To complete the work you will need a multimeter. Sequence of execution 1. Prepare the car for work (see " Preparing the car for maintenance and repair "). 2. Press the lock and disconnect the wiring...

Solenoid valve for variable intake manifold length system
The need to perform this work is determined during the inspection of the technical condition of the engine control system (see " Checking the technical condition of the engine management system ")....

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More sections with information from manuals for Lada:

• Power unit: Control system Lada Kalina Hatchback (2004-2013, VAZ-1119)
• Power unit: Control system Lada Granta 1 (2011-2023, VAZ-2190)

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