Malfunction code
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Electric chain
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Diagnosis
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Area of malfunction
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Code 1 – 1 flash, a pause, 1 flash
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Normally
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Malfunctions are absent
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Code 12 – 1 flash, a pause, 2 flashes
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RPM signal
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NE signal to ECM within several seconds after start of the engine does not arrive. G signal to ECU does not arrive with a frequency of rotation of a bent shaft of the engine from 500 to 4000 rpm. | Electric chain of the distributor of ignition. Ignition distributor. Ignition block. Electric chain of the block of ignition. Electric chain of a starter. ESM block. |
Code 13 – 1 flash, a pause, 3 flashes
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RPN signal
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NE signal to ESM does not arrive with a frequency of rotation of a bent shaft of the engine more than 1500 rpm.
| Electric chain of the distributor of ignition. Ignition distributor. Electric chain of the block of ignition. Ignition block. ESM block. |
Code 14 – 1 flash, a pause, 4 flashes
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System of ignition
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The signal of IGF of in a row 8 times to the ECM block does not arrive.
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Electric chain of the block of ignition. Ignition block. ESM block. |
Code 16 – 1 flash, a pause, 6 flashes
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The operating signal And/T
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Problems between the CPU and AT CPU engine in ESM.
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ESM block.
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Code 21 – 2 flashes, a pause, 1 flash
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Main sensor of oxygen. Heater of the main sensor of oxygen
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Problems in an electric chain of the sensor of oxygen. Break or short circuit in an oxygen sensor heater power-supply circuit. | Electric chain of the sensor of oxygen. ESM block. Oxygen sensor heater. |
Code 22 – 2 flashes, a pause, 2 flashes
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Temperature of cooling liquid
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Break or short circuit in an electric chain of the sensor of temperature of cooling liquid.
| Electric chain of the sensor of temperature of cooling liquid. Sensor of temperature of cooling liquid. ESM block. |
Code 24 – 2 flashes, a pause, 4 flashes
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The sensor of temperature of the arriving air
| Break or short circuit in an electric chain of the sensor of the arriving air. |
The sensor of temperature of the arriving air. Electric chain of the sensor of temperature of the arriving air. ESM block. |
Code 25 – 2 flashes, a pause, 5 flashes
| Malfunction of a ratio air/fuel |
Reenrichment or reimpoverishment of fuel mix during some period.
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Fuel nozzle. Oxygen sensor. ESM block. Pressure in fuel system. Sensor of temperature of cooling liquid. Air temperature sensor. Air leak. Air stream measuring instrument. System of air supply in the engine. System of ignition.
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Code 26 – 2 flashes, a pause, 6 flashes
| Rich fuel mix |
Reenrichment of fuel mix or break or short circuit of an electric chain of the sensor of oxygen.
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Fuel nozzle or electric chain of a fuel nozzle. The sensor of temperature of cooling liquid or electric chain of the sensor of temperature I cool liquid Russian cabbage soup. Sensor of air temperature or electric chain of the sensor of air temperature. Air stream measuring instrument. Sensor of oxygen or электричес Kaya oxygen sensor chain. Fuel nozzle of cold start. ESM block. |
Code 27 – 2 flashes, a pause, 7 flashes.
| Additional sensor of oxygen. |
Break or short circuit of an electric chain of the additional sensor of oxygen.
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Additional sensor of oxygen or electric chain of the additional sensor of oxygen. ESM block. |
Code 31 – 3 flashes, a pause, 1 flash
| Air stream measuring instrument |
Break or short circuit of an electric chain between contacts of VC and E2.
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Measuring instrument of a stream of air or electric chain of the measuring instrument of a stream of air (V6 engine).
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Code 31 – 3 flashes, a pause, 1 flash
| The sensor (MAR) absolutely го pressure in an inlet collector |
Break or short circuit in an electric chain of the MAR sensor.
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Electric chain of the MAR-sensor.
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Code 32 – 3 flashes, a pause, 2 flashes.
| Air stream measuring instrument (V6 engine). |
Break or short circuit электричес, which chains between contacts of VS, VC or E2.
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Measuring instrument of a stream of air or electric chain of the measuring instrument of a stream of air. ESM block. |
Code 41 – 4 flashes, a pause, 1 flash
| Sensor of provision of a butterfly valve |
Break or short circuit in an electric chain of the sensor of situation a throttle ache gates.
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Sensor of provision of a butterfly valve or electric chain of the sensor of provision of a butterfly valve. ECM block.
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Code 42 – 4 flashes, a pause, 2 flashes
| Car speed sensor |
There is no STD signal within 8 seconds with a frequency of rotation of the engine from 3100 to 5000 rpm.
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Sensor of speed of the car or electric chain of the sensor of speed of the car. ESM block. |
Code 43 – 4 flashes, a pause, 3 flashes
| Starter signal |
There is no STA signal to the ESM block with a frequency of rotation of the engine of 800 rpm and the motionless car.
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Electric chain of a starter. Ignition lock. Main relay of the engine. ESM block. |
Code 51 – 5 flashes, a pause, 1 flash
| Condition of the switch |
There is no signal of IDL or NSV or A/S to the ECU block at short circuit of contacts of E1 and TE1 of the control socket.
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Switch of the conditioner or electric chain to la's pereklyuchata. Amplifier of the conditioner. Starter lock (кондицио ner). Sensor of provision of a butterfly valve. ESM block. |
Code 52 – 5 flashes, a pause, 2 flashes
| Detonation sensor |
Break or short circuit in an electric chain of the sensor of a detonation.
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Electric chain of the sensor of a detonation. ESM block. |
Code 53 – 5 flashes, a pause, 3 flashes
| Management of a detonation |
Problems with a control system of a detonation in the ESM block.
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ESM block.
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Code 55 – 5 flashes, a pause, 5 flashes
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Management of a detonation (V6 engine)
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Problems with a control system of a detonation in the ESM block.
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ESM block.
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Code 71 – 7 flashes, a pause, 1 flash
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EGR valve
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Too low signal of the sensor to a temperat ры EGR. Malfunction of a ratio air/fuel.
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EGR system. Sensor of temperature of the EGR system or electric chain of the sensor of temperature of the EGR system. The switching vacuum valve of the EGR system. ESM block. |