Car engine management system VAZ-2112

All articles on the device and repair of components and assemblies of the engine control system of VAZ-2112 (Lada 112, hatchback) and their modifications.

Engine management system device
16-valve engine control system diagram [The diagram is shown using the example of a car with a 21124 engine (1.6i 16V). On the 2112 engine (1.5i 16V), an ignition module is...

Precautions when repairing the engine management system
Caution! Do not touch the ECU terminals with your hands: the engine control system is microprocessor-based, its electronic components can be damaged by electrostatic discharge....

Engine Management System Relays and Fuses
The engine control system circuits are protected by three fuses. The engine management system relays and fuses are located under the instrument panel console Note: The right...

High-voltage wires of the 2112 engine (1.5i 16v) — checking and replacement
Advice: It is more convenient to replace high-voltage wires one by one. Location of high-voltage wires on the 2112 engine (1.5i 16V) [Engine trim removed.] : 1 - first cylinder...

High-voltage wires of engines 2111 and 21114 (8v) — checking and replacement
To perform the test you will need a multimeter. Advice: To avoid mixing up the terminals on the ignition coil (ignition module), it is more convenient to replace high-voltage...

Spark plugs for engines 2112 and 21124 (16v) — replacement
Note: The work is shown on a car with a 21124 engine. The specifics of replacing spark plugs on a car with a 2112 engine are specified in the text. We replace spark plugs...

Spark plugs for engines 2111 and 21114 (8v) — replacement
Recommendation: Spark plugs should be replaced every 30,000 km or when they fail, if the engine starts to run unsteadily To perform the work you will need a special socket wrench...

Engine Ignition Module 2112 (1.5i 16v) — Checking and Replacing
To complete the work you will need a multimeter. Examination 1. Prepare the car for work (see " Preparing the car for maintenance and repair "), turn off the ignition. 2. Remove...

Ignition coils of engine 21124 (1.6i 16v) — check and replacement
To complete the work you will need a multimeter. Examination 1. Prepare the car for work (see " Preparing the car for maintenance and repair "). 2. Remove the decorative engine...

Ignition module (coil) for engines 2111 and 21114 (8v) — checking and replacement
Advice. For a quick check of the ignition system, you can use a spark indicator for fuel-injected engines. It is placed on the spark plug and a high-voltage wire is connected to...

Injectors — checking
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Idle speed control valve — checking and replacing
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Evaporative Canister Purge Valve — Checking and Replacing
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Crankshaft Position Sensor — Checking and Replacing
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Camshaft Position Sensor — Checking and Replacing
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Coolant Temperature Sensor — Checking and Replacing
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Throttle Position Sensor — Checking and Replacing
Warning! Before performing the operation, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To...

Knock Sensor — Checking and Replacing
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Mass Air Flow Sensor — Checking and Replacing
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Oxygen Concentration Sensor — Checking and Replacing
Warning! The sensor is installed near the catalytic converter, which heats up to a high temperature when the engine is running. To avoid burns, check the oxygen concentration...

Vehicle Speed Sensor — Checking and Replacing
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). To complete the...

Electronic Control Unit (ECU) — Replacement
Warning! Before performing work, read the precautions for repairing the engine management system (see " Precautions when repairing the engine management system "). Removal 1....

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More articles from other manuals on VAZ cars:
➠ Power unit: Control system VAZ-2115 (1997-2012)
➠ Power unit: Control system VAZ-21214 (1994-2006)
➠ Power unit: Control system VAZ-2107 (1982-2012)
➠ Power unit: Control system VAZ-2104 (1984-2012)

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