Any modern car is equipped with an electronic engine control unit. If any malfunction occurs, the Lada Largus error code is recorded in the engine control unit. In order to “pull” the error code from the ECU, special scanners and adapters are used that can either simply read the error, or read and decipher it. This whole procedure is necessary in order to quickly identify the malfunction and take measures to eliminate it.
Error codes for the Lada Largus, like any other modern car, are recorded in the system memory and can be retrieved from it using diagnostic equipment. If any malfunction occurs in the system, the error is recorded in memory and the Check Engine icon is displayed on the dashboard.
To read Lada Largus errors, an OBD-II connector is used, to which diagnostic equipment is connected.
How to decipher Lada Largus error codes?
So, we figured out that to read the Lada Largus fault codes you will have to use a special scanner, however, even if you receive an error code, you will need to decipher it. Of course, modern scanners have the function of automatically decoding errors, but not all of them.
There is a universal technique that will help you understand what kind of error occurred.
First of all, we need to understand which system the error relates to. If the first character is B, then this is a body system error, if C is an error caused by the suspension, P is a malfunction in the internal combustion engine or gearbox. And if the first character is U, there is an error in the data exchange bus.
The second character means the following:
0 — standard (SAE); 1, 2 — factory (OEM); 3 - reserved.
The third character tells us which subsystem the error belongs to:
1 or 2 - fuel supply and injection system; 3 - ignition system; 4 — reduction of exhaust gas toxicity; 5 — idle speed errors; 6 - ECU or its circuits; 7, 8 — transmission (automatic transmission, AMT, etc.).
The last character is the error code itself.
Even if we do not fully know what the error means, then from the first three characters we can understand which system it refers to. And this is already more than half the success in diagnosing Lada Largus.
I use an ELM327 scanner, which I bought on a well-known Chinese website for very modest money. The scanner has all the basic functions
tions necessary for diagnosing Lada Largus. Plus, it connects to any Android smartphone and is not easy to use. If anyone is interested, here is the link:
Scanner ELM327.
I also have a large service scanner, but it’s not so convenient to carry it with me, as it takes up a lot of space. And it’s somehow uncomfortable to leave expensive equipment in the car. And the ELM327 fits in a jacket pocket or glove compartment, has no wires and performs almost the same functions. In general, the thing is irreplaceable and necessary. If you don’t buy it, I recommend it.
On-Board Diagnostic System
The vehicle's ECM has an on-board diagnostic system, which includes a warning light in the instrument cluster that lights up when it detects that the exhaust gas toxicity threshold has been exceeded, and also alerts the driver to the need for repair work.
The on-board diagnostic system includes the following types:
— misfire of the fuel mixture; — control of the control oxygen sensor;
— control of ECM elements;
- catalyst control.
The on-board diagnostic warning light turns on if the on-board system detects the same fault during several trips or engine starts, as well as when faults are detected in electrical circuits.
The OBD warning light flashes when a misfire in the fuel mixture is detected. This emergency situation leads to failure of the catalytic converter.
Information about malfunctions is entered into the non-volatile memory of the computer; this information is deleted automatically after 40 subsequent tests, as well as using a diagnostic tool.
Lada Largus engine error codes (for engines produced by AvtoVAZ 8 and 16 valves)
P0030 Oxygen sensor before the converter, checking the open circuit of the heater P0031 Oxygen sensor before the converter, checking the short circuit of the heater circuit to ground P0032 Oxygen sensor before the converter, checking the short circuit of the heater circuit to the on-board network P0036 Oxygen sensor after the converter, checking the open circuit of the heater P0037 Oxygen sensor after converter, checking the short circuit of the heater circuit to ground P0038 Oxygen sensor after the converter, checking the short circuit of the heater circuit to the on-board network P0101 Mass air flow sensor, signal output is out of the permissible range P0102 Mass air flow sensor, low output signal level P0106 Intake absolute pressure sensor circuit manifold, signal output out of acceptable range P0107 Intake manifold absolute pressure sensor circuit, low signal level P0108 Intake manifold absolute pressure sensor circuit, high signal level P0103 Mass air flow sensor, high output level P0112 Intake air temperature sensor, low output level signal P0113 Intake air temperature sensor, high output signal P0115 Incorrect coolant temperature sensor signal P0116 Coolant temperature sensor, signal out of range P0117 Coolant temperature sensor, low output signal P0118 Coolant temperature sensor, high output signal P0122 Throttle position sensor, low output (sensor No. 1) P0123 Throttle position sensor, high output (sensor No. 1) P0130 Pre-converter oxygen sensor faulty P0131 Pre-converter oxygen sensor, low output P0132 Pre-converter oxygen sensor , high output signal level P0133 Oxygen sensor before the converter, slow response to enrichment or lean P0134 Oxygen sensor before the converter, signal circuit open P0135 Oxygen sensor before the converter, heater faulty P0136 Oxygen sensor after the converter, open signal circuit P0137 Oxygen sensor after the converter, low signal level P0138 Oxygen sensor after the converter, high signal level P0140 Oxygen sensor after the converter, open signal circuit P0141 Oxygen sensor after the converter, heater faulty P0171 Fuel supply system too lean P0172 Fuel supply system too rich P0200 Injector control circuit faulty P0201 Injector control circuit of cylinder No. 1 , open P0202 Injector control circuit of cylinder No. 2, open P0203 Injector control circuit of cylinder No. 3, open P0204 Injector control circuit of cylinder No. 4, open P0217 Engine overheating, engine temperature above the threshold value P0222 Throttle position sensor, low output signal (sensor No. 2) P0223 Throttle position sensor, high output signal (sensor No. 2) P0261 Cylinder No. 1 injector control circuit, short to ground P0262 Cylinder No. 1 injector control circuit, short to +12V P0264 Cylinder No. 2 injector control circuit, short On Earth P0265, the cylinder nozzle control circuit No. 2, closing at +12V P0267 Control circuit cylinder nozzle No. 3, Closing to Earth P0268 Control circuit of the injector of cylinder No. 3, Closing a +12V P0270 Control circuit No. 4, Closing to Earth P0271 circuit circuit injector control of cylinder No. 4, short to +12V P0300 Random or multiple misfires detected P0301 Misfire detected in cylinder 1 P0302 Misfire detected in cylinder 2 P0303 Misfire detected in cylinder 3 P0304 Misfire detected changes to 4 th cylinder P0325 Knock sensor break P0326 Knock sensor, signal is outside the permissible limits P0327 Knock sensor, low signal level P0328 Knock sensor, high signal level P0335 Crankshaft position sensor, no signal P0336 Crankshaft position sensor, signal is outside the permissible limits P0337 Crankshaft position sensor, circuit short to ground P0338 Crankshaft position sensor, open circuit P0340 Camshaft position sensor faulty (Phase sensor error) P0342 Camshaft position sensor circuit low P0343 Camshaft position sensor circuit high P0346 Phase sensor circuit incorrect signal P0351 Ignition coil, open circuit check, primary circuit current is less than the threshold value P0352 Ignition coil, open circuit check, primary circuit current is less than the threshold value P0353 Cylinder 3 ignition coil, control circuit open circuit P0354 Cylinder 4 ignition coil, control circuit open circuit P0363 Random detected or multiple misfires to protect the converter P0422 The effectiveness of the converter is below the threshold P0441 Incorrect air flow through the valve P0443 The canister purge valve control is faulty P0444 The canister purge valve, checking for open circuit P0445 The canister purge valve circuit is short to ground P0458 The canister purge valve, checking the short circuit for " ground" P0459 Canister purge valve, checking the short-circuit circuit to the on-board network P0480 Fan relay control circuit 1; open circuit check P0481 Fan relay 2 control circuit; open circuit, check for open circuit P0485 Cooling fan, check supply voltage P0500 Vehicle speed sensor, no signal P0501 Vehicle speed sensor error P0503 Vehicle speed sensor, intermittent signal P0504 Brake pedal sensor, sensor signals change inconsistently P0505 Idle speed controller error P0506 Idle speed controller blocked , low speed P0507 Idle speed control blocked, high speed P0522 Oil pressure sensor circuit, low signal level P0523 Oil pressure sensor circuit, high signal level P0560 On-board voltage below the system operability threshold P0562 On-board voltage is low P0563 On-board voltage is high P0601 Malfunction ROM of the control unit P0603 Malfunction of the RAM of the control unit P0604 Checksum error of the internal RAM of the controller P0606 Controller, faulty ADC P0607 Incorrect signal of the detonation channel of the controller P0615 Starter relay control circuit, open P0616 Starter relay control circuit, short to ground P0617 Starter relay control circuit, short to ground +12V P0627 Fuel pump relay, checking open circuit P0628 Fuel pump relay, checking short circuit to ground P0629 Fuel pump relay, checking short circuit to the on-board network P0642 Sensor power bus, low signal level P0643 Sensor power bus, high signal level P0645 Air conditioning clutch relay, checking open circuit P0646 Air conditioning clutch relay, checking short circuit to ground P0647 Air conditioning clutch relay, checking short circuit to on-board network P0660 Intake system channel length control valve, open circuit P0661 Intake system channel length control valve, circuit short to ground P0662 Control valve the length of the intake system channels, short circuit of the on-board network P0691 Fan relay control circuit 1; open circuit, checking short circuit to ground P0692 Fan relay control circuit 1; open circuit, checking the short circuit to the on-board network P0693 Fan relay control circuit 2; open circuit, checking short circuit to ground P0694 Fan relay control circuit 2; open circuit, checking the short-circuit to the on-board network P0830 Clutch pedal switch, circuit faulty P1102 Low resistance of the oxygen sensor heater P1115 Faulty oxygen sensor heating control circuit P1123 Additive component corr. by air the composition of the mixture exceeds the threshold. Composition “rich” P1124 Additive component corr. by air the composition of the mixture exceeds the threshold. Composition “poor” P1127 Multiplicative. the mixture correction component exceeds the threshold. Composition “rich” P1128 Multiplicative. the mixture correction component exceeds the threshold. Composition “poor” P1135 Malfunction of the oxygen sensor heater circuit to the converter P1136 Additive component corr. fuel exceeds the threshold. Composition “rich” P1137 Additive component corr. fuel exceeds the threshold. Composition “poor” P1140 The measured load differs from the calculated one P1141 Malfunction of the oxygen sensor heater circuit after the converter P1171 Low signal level from the CO correction potentiometer P1172 High signal level from the CO correction potentiometer P1301 Misfires detected to protect the converter in the 1st cylinder P1302 Misfires detected to protect the converter in the 2nd cylinder P1303 Misfire detected to protect the converter in the 3rd cylinder P1304 Misfire detected to protect the converter in the 4th cylinder P1335 Monitoring the throttle control, throttle position out of range P1336 Monitoring the throttle control , checking the mismatch of signals from the throttle position sensors, the sensor voltages differ by the value of the threshold P1384 Monitoring the control of the throttle valve drive. Engine torque is out of range P1385 Monitoring throttle actuator control. Engine load signal is out of range. P1386 Knock detection channel, internal test error P1387 Throttle actuator control monitoring. Injection time is out of range. P1388 Monitoring the throttle drive control, checking the accelerator pedal position, sensor voltages differ by the threshold value P1389 Monitoring the throttle drive control, engine speed is outside the permissible range P1390 Monitoring the throttle drive control, there is no response to a malfunction in the system P1410 Canister purge valve control circuit, short to +12V P1425 Control circuit for the canister purge valve, short to ground P1426 Control circuit for the canister purge valve, open P1500 Open circuit for the control circuit of the electric fuel pump relay P1501 Control circuit for the fuel pump relay, short to ground P1502 Control circuit for the fuel pump relay, short to +12V P150 9 Control circuit idle speed regulator, overload P1513 Idle speed regulator control circuit, short to ground P1514 Idle speed regulator control circuit, open or short to +12V P1541 Fuel pump relay control circuit, open P1545 Throttle valve drive, deviation of the actual throttle position from the desired one is greater than the threshold value P1558 Throttle actuator, return spring faulty P1559 Throttle actuator, valve rest position out of range P1570 Immobilizer, no positive response or open circuit P1578 Throttle actuator, adaptation value out of range P1558 Throttle actuator, throttle return time to position limp home above the threshold value P1559 Throttle valve actuator, valve position outside the permissible range P1600 No communication with the immobilizer P1602 Loss of on-board network voltage P1603 Malfunction of the control unit EEPROM P1606 Rough road sensor, incorrect signal P1612 Processor reset error P1616 Rough road sensor, low signal P1617 Yes tchik rough road, high signal P1620 Malfunction of the ROM of the control unit P1621 Malfunction of the RAM of the control unit P1622 Malfunction of the EEPROM of the control unit P1640 Court controller, error reading-writing EEPROM memory P1689 Malfunction of the error memory P2070 Length control valve of the intake system channels, constantly open P2071 Length control valve intake system channels, constantly closed P2100 Throttle valve actuator, checking open circuit P2101 Electric throttle actuator, control circuit faulty P2102 Throttle valve actuator, checking short circuit to ground P2103 Throttle actuator, checking short circuit to on-board network P2105 Controller, faulty monitoring module P2122 Pedal position sensor A circuit high P2123 Pedal position sensor A circuit high P2127 Pedal position sensor B circuit low P2128 Pedal position sensor B circuit high P2187 Fuel system too lean (at idle) P2188 Fuel supply system too rich (idling) P2135 Throttle position sensors “A”/”B”, signal mismatch P2138 Accelerator pedal position sensors “A”/”B”, signal mismatch P2176 Throttle valve drive control system, zero position adaptation valve not completed P2178 Throttle valve actuator, adaptation has never been carried out P2187 Fuel supply system too lean at idle P2188 Fuel supply system too rich at idle P2270 Oxygen sensor after the converter, no response to enrichment of the mixture P2271 Oxygen sensor after the converter, no response to lean mixture P2301 Ignition coil of cylinder 1, control circuit shorted to the on-board network P2304 Ignition coil of cylinder 2, control circuit shorted to the on-board network P2307 Ignition coil of cylinder 3, control circuit shorted to the on-board network P2310 Ignition coil of cylinder 4, control circuit shorted to the on-board network P2500 Alternator Excitation (LT) Control Circuit Low P2501 Alternator Excitation (LT) Control Circuit High
Error codes for Lada Largus - explanation for Renault K4M, K7M engines
For Lada Largus with Renault engines, the error codes are interpreted a little differently, since the car has a different engine control unit. And when diagnosing a LADA Largus with a Renault engine, the following errors may appear:
DF001 Coolant temperature sensor circuit DF002 Air temperature sensor circuit DF022 OBD warning light circuit DF023 Coolant temperature emergency warning light circuit DF038 ECU DF040 Cylinder No. 1 injector circuit DF041 Cylinder No. 2 injector circuit DF042 Cylinder No. 3 injector circuit DF 043 Cylinder injector circuit No. 4 DF081 Canister purge solenoid valve circuit DF082 Upper oxygen sensor heating circuit DF083 Lower oxygen sensor heating circuit DF084 Actuator relay control circuit DF091 Vehicle speed information DF092 Upper oxygen sensor circuit DF093 Lower oxygen sensor circuit DF123 Mixture misfire, drive increasing content of toxic substances in exhaust gases DF124 Misfire of the mixture leading to failure of the catalytic converter DF232 Coolant pressure sensor circuit DF328 Throttle position sensor circuit DF330 Knock sensor circuit DF336 Engine crankshaft position and speed sensor circuit DF352 Electronic immobilizer system circuit engine DF353 Absolute pressure sensor circuit DF360 Idle speed control circuit DF361 Ignition coil circuit of cylinders No. 1 and No. 4 DF362 Ignition coil circuit of cylinders No. 2 and No. 3 DF378 Communication of the ABS ECU with the injection ECU DF390 Malfunction of the oxygen sensor DF394 Malfunction of the catalytic converter DF 514 Fuel pump relay circuit DF524 Actuator relay output voltage DF587 Supply voltage + 5 V sensors
Common ECM malfunctions and recommendations for their elimination
Error codes DF001, DF002 - malfunction of the air temperature sensor
You should check the integrity of the sensor connections, short circuits to the power supply and ground, and the sensor itself.
Error code DF038 - ECU operation error
The ECU software and the ECU itself (hardware, preferably by replacing it with a known good one) are checked for compliance.
Error codes DF040 – DF043 - error of the corresponding injectors
Check the integrity of the connections, possible short circuits in the circuits and the operation of the injectors.
Error code DF082 - control sensor error Check possible short circuits and the condition of the connectors and wiring of the sensor, as well as the functionality of the sensor by replacing it.
Error code DF123 - mixture misfires Check the operation of the injectors, spark plugs, ignition coil, etc.
Error code DF232 - Refrigerant pressure sensor error
Check the integrity of connections, possible short circuits, and the operation of the sensor.
Error code DF336 - crankshaft position sensor violation
Check possible short circuits and the condition of the connections, the reliability of the sensor’s fastening and its functionality.
Error code DF360 - IAC error
Check the operation of the IAC and its circuits, the reliability of attachment to the pipe.
Error code DF394 - catalytic converter error.
They check the tightness of the exhaust gas system, perform a visual inspection of the catalyst design, and check the consumption of engine oil and coolant. Most likely, the catalyst failed due to poor quality fuel.
Lada Largus how to reset errors?
Resetting errors on Largusa is quite simple. Many people say that it is enough to remove the terminals from the battery for a few minutes. But this method does not always work. The Check Engine error may disappear from the dashboard, but it will not be erased from the ECU memory.
The same diagnostic scanner is used to reset errors. There is no other way to completely remove errors from memory. The video below shows how to reset Lada Largus errors:
Errors Lada Largus on the dashboard
In addition to the CHECK ENGINE error, additional errors may also occur on the Lada Largus parting panel, such as airbag errors. These errors indicate additional problems in the vehicle systems. The same scanners are used to read and diagnose them. And to check the dashboard you need to enter the self-diagnosis mode, which is activated as follows:
Manuals for maintenance and repair of components and assemblies
This car is equipped with a modern audio system. Using the user manual, you can master it in no time. Proper use of the audio system will ensure its long-term uninterrupted operation, which will allow you to enjoy your favorite music while driving.
In order for the car to work flawlessly, you need to diagnose various components in a timely manner.
The audio system is also equipped with the function of connecting to a phone via a wireless connection. This allows you to make and receive calls while driving, while keeping your hands free to drive.
Lada Largus is equipped with two types of engines:
- 8-valve 1.6 liter
- 16-valve 1.6 liter
In addition, depending on the configuration, the car can be equipped with several options for auxiliary equipment, such as hydraulic power steering and climate control. Depending on a particular configuration, the specifics of the work carried out regarding the components of the car also differ.
Additional literature will allow car enthusiasts and car service workers to improve their activities and expand their knowledge regarding a particular engine configuration in a regular garage or even a car service. The brochure “Lada Largus car engine - removal/installation of main systems, components and parts” describes all possible engine designs and configurations, and most importantly, the stages of repair, maintenance and main features are described in detail.
The service and repair manual will help you take care of your car. The service and repair manual will help you take care of your car.
Of course, in addition to the engine, other elements of the car may need to replace spare parts, lubricant, tighten loose connections, and other things:
- Body (doors, bumpers, fenders, etc.)
- Wheels
- Brake system
- Rear suspension
- Front suspension
- Steering
This can be done professionally and efficiently by reading the special instructions for carrying out work at each site. All the main stages and features of the activity are indicated in detail here: removal and installation, disassembly and assembly of main parts, assemblies and assemblies. Work on caring for machine components, if it is not related to electronic diagnostics, can be carried out both in a specialized workshop and in an ordinary garage, having the necessary set of tools at hand.
