Engine management system — device Engine control system diagram: 1 - switch (lock) ignition; 2 - main relay; 3 - battery; 4 - air filter; 5 - block of the diagnostic connector; 6 - control lamp for a malfunction of the engine...
Reference data of the control system Table 8.4.1. Basic data for control, adjustment and maintenance Table 8.4.2. Tightening torques for threaded connections
Description of the engine management system The engine management system turns the fuel pump on and off, controls the amount of air entering the engine cylinders, injects the required amount of fuel into the intake manifold, controls sparking...
Checking the technical condition of the engine management system Electronic control unit (ECU) engine management system has a self-diagnosis mode. When the ignition is turned on, the engine control system malfunction indicator lamp should light up, which indicates...
Fuses and relays of the engine management system — replacement The engine control circuits are protected by three fuses located under a cover in the floor tunnel lining. The system relays are assembled in a block and installed under the center console. The fuse...
Ignition coils — check and replacement To do the job you will need: a multimeter (in ohmmeter and voltmeter mode). Checking and removing 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2. Remove the...
Spark plugs — replacement Spark plugs are replaced according to the manufacturer's recommendation every 30,000 km of run or when they fail, if the engine begins to work unstably at idle. To perform the work you will need: a...
Nozzles — check and replacement To perform an injector test, you will need: multimeter (in voltmeter and ohmmeter mode); the wire (1.5-2 m); insulating tape. Examination 1. We prepare the car for work (see « Preparing the car for...
Idle speed regulator — check and replace Warning! Before starting work, read the precautions for repairing the engine management system (see « Checking the technical condition of the engine management system »). To complete the work you...
Canister purge valve — check and replace To complete the work you will need: multimeter; wire segments. Removal and inspection 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2. Having released the...
Crankshaft position sensor — removal, inspection and installation To do the job you will need: a multimeter (in voltmeter mode). Removing 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2. Having released the latch, disconnect...
Camshaft position sensor — removal, inspection and installation To do the job you will need: a multimeter (in voltmeter mode). Removal and inspection 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2. Remove the engine trim...
Coolant temperature sensor — removal, inspection and installation To complete the work you will need: multimeter (in voltmeter mode, ohmmeter with a measurement range of 100 ohms to 10 kΩ); thermometer (with a change limit of at least 100°C); a small heat-resistant...
Throttle position sensor — check and replace To complete the work you will need: multimeter (in voltmeter and ohmmeter mode); wire segments. Examination 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2....
Knock sensor — removal and inspection To complete the work you will need: multimeter (in voltmeter mode); viewing ditch or overpass. Removing 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2....
Mass Air Flow Sensor — Check and Replace You will need a multimeter to do the job (in voltmeter mode). Checking and removing 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2. Press the pad retainer...
Oxygen concentration sensor — check and replacement The vehicle has two oxygen sensors. The work is shown on the upper sensor, the lower sensor is checked in the same way. Warning! The sensors are located near the catalytic converter, which gets hot...
Vehicle speed sensor — check and replace You will need a multimeter to do the job (in voltmeter mode). Removal and inspection 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2. Having released the...
Rough Road Sensor — Replacement Removing 1. We prepare the car for work (see « Preparing the car for maintenance and repair »). 2. Squeezing the latch loops, disconnect the wiring harness block from the sensor. 3. Using a Phillips...
Electronic control unit (ECU) — removal and installation Removing 1. We prepare the car for work and disconnect the wire terminal from the negative terminal of the battery (see « Preparing the car for maintenance and repair »). 2. Remove the right overlay...