3-16-proverka-regulirovka-ustanovok-oborotov-kholostogo-khoda.html
3.16. Check / adjustment of installations of turns of an idling / corner of an advancing of ignition / quality of an air and fuel mix Before starting performance of procedures of checks / adjustments, make sure of serviceability of a condition and functioning of the following knots:
- Battery;
- Components of system of ignition;
- Impellent oil and cooling liquid (levels);
- Safety locks;
- Contact socket of electroconducting of ECM;
- Vacuum hoses;
- Inlet air path (cover of a mouth of filling of oil, measuring instrument of level of oil, etc.);
- Regulator of pressure of fuel (pressure);
- Piston group (compression)
- EGR valve;
- Butterfly valve;
- Components of system of catching of fuel evaporations (EVAP).
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- On the models equipped with central air of air, switch off the conditioner.
- Transfer the AT selector lever to the situation "N".
- At check of level of the content of monooxide of carbon (WITH) enter a probe щупа into an exhaust pipe not more deeply than on 40 see.
- Switch off everything onboard consumers of the electric power (a headlight, the heater fan, screen wipers, heating of back glass, etc.).
- Bring forward wheels of the car into rectilinear situation.
- Start performance of checks only after a stop of the fan of system of cooling.
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Function chart of carrying out checks
Step 1 — the Beginning of checks
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- Visually check passableness of a filtering element of an air purifier.
- Check all hoses and sleeves on existence of signs of development of leaks.
- Check serviceability of functioning of the EGR valve.
- Make sure of serviceability of a condition of contact sockets of electroconducting.
- Estimate a condition of sealing laying.
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- Start the engine and warm up it to normal working temperature — the arrow of a measuring instrument of temperature on the dashboard should leave on the middle of a working range of a scale.
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- Make sure that turns of the engine make no more than 1000 in a minute.
- Open a cowl and approximately for 2 minutes lift frequency of rotation of the engine to 2000 rpm (without loading).
- Make check of the II diagnostic mode (self-diagnostics) — at operation of a control lamp of MIL make necessary regenerative repair, or replace the failed components.
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Step 2 — Check of installation of a corner of an advancing of ignition
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- Approximately for 2 minutes lift frequency of rotation of the engine to 2000 rpm (without loading).
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- 2-3 times short breakthroughs lift frequency of rotation of the engine to 4000 rpm (without loading), then dump turns to the single.
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- Muffle the engine and disconnect electroconducting from the sensor of provision of a butterfly valve (TPS).
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- Start the engine and 2-3 times lift its turns to 2000 — 3000 in a minute (without loading), then again dump to the single.
- By means of a stroboscope check correctness of installation of a corner of an advancing of ignition. Demanded value makes 15 ° ± 2 ° before VMT (in the position "N" of the lever of the AT selector) — in case of need make the corresponding adjustment (see a step 3). If violations in installation of a corner of an advancing of ignition are not present, pass to performance of procedures of a step 4.
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Step 3 — Adjustment of a corner of an advancing of ignition
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- Adjustment of a corner of an advancing of ignition is made by deployment of the distributor of ignition after a preliminary otpuskaniye of bolts of its fastening.
- Having finished adjustment, muffle the engine and connect electroconducting to the TPS sensor.
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Step 4 — Check of installation of base turns of idling
According to the scheme «with CONSULT»
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- Consider the measuring instrument indication in the DATA MONITOR mode — demanded value makes 700 ± 50 rpm (the AT selector lever — in the situation "N").
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According to the scheme «without CONSULT»
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- Make measurement of turns of idling — demanded value makes 700 ± 50 rpm (the AT selector lever — in the situation "N").
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According to both schemes
At positive result of check pass to performance of procedures of a step 6, at negative results — a step 5.
Step 5 — Adjustment of base value of turns of idling
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- 2-3 times short breakthroughs lift frequency of rotation of the engine to 4000 rpm (without loading), then dump turns to the single.
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- Make the corresponding correction of turns of idling by rotation of the adjusting screw.
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Step 6 — Check of target turns of idling
According to the scheme «with CONSULT»
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- Muffle the engine and disconnect electroconducting from the TPS sensor.
- 2-3 times short breakthroughs lift frequency of rotation of the engine to 4000 rpm (without loading), then dump turns to the single.
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- Consider the measuring instrument indication in the DATA MONITOR mode — demanded value makes 750 ± 50 rpm (the AT selector lever — in the situation "N").
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- At positive result of check pass to performance of procedure of a step 8.
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According to the scheme «without CONSULT»
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- Muffle the engine and disconnect electroconducting from the TPS sensor.
- 2-3 times short breakthroughs lift frequency of rotation of the engine to 4000 rpm (without loading), then dump turns to the single.
- Make measurement of turns of idling — demanded value makes 750 ± 50 rpm (the AT selector lever — in the situation "N").
- At positive result of check pass to performance of procedure of a step 9.
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According to both schemes
At negative results of check pass to performance of procedures of a step 7.
Step 7 — Identification of a source of violation
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- Check serviceability of functioning of the IACV-AAC valve — in case of need make replacement.
- Check a condition of electroconducting of the IACV-AAC valve — in case of need replace a plait.
- Check serviceability of functioning of ECM by substitution of obviously serviceable block.
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ECM exit out of operation happens extremely seldom. |
Step 8 — Check of a signal left dokatalitichesky warmed up a lambda probe according to the scheme «with CONSULT»
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- For few minutes lift frequency of rotation of the engine to 2000 rpm (without loading).
- Be switched in the subsection "FR O2 MNTR-B2" of the DATA MONITOR mode of a measuring instrument.
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- Without loading lift frequency of rotation of the heated-up engine to normal working temperature to 2000 rpm — the indication of a measuring instrument should change between LEAN values (the grown poor mix) and «RICH» (the enriched mix) more than 5 times within 10 seconds.
1 time: RICH> LEAN> RICH 2 times: RICH> LEAN> RICH> LEAN> RICH
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- At positive results of check pass to performance of procedures of a step 12.
- In the absence of fluctuations of the monitor pass to a step 17, at fluctuations is more rare than 5 times a second — to a step 10, previously having replaced a lambda probe.
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Step 9 — Check of a signal left dokatalitichesky warmed up a lambda probe according to the scheme «without CONSULT»
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- For few minutes lift frequency of rotation of the engine to 2000 rpm (without loading).
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- Pass to the subsection "Left bank front heated oxygen sensor monitor" of check of the II diagnostic mode.
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- Make sure that the control lamp of refusals of MIL is activated not less than 5 times in 10 seconds at engine 2000 turns in a minute.
- At positive results of check pass to performance of procedures of a step 12.
- In the absence of fluctuations of the monitor pass to a step 17, at fluctuations is more rare than 5 times a second — to a step 10, previously having replaced a lambda probe.
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Step 10 — Check of a signal left dokatalitichesky warmed up a lambda probe
According to the scheme «with CONSULT»
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- Be switched in the subsection "FR O2 MNTR-B2" of the DATA MONITOR mode of a measuring instrument.
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- Without loading lift frequency of rotation of the heated-up engine to normal working temperature to 2000 rpm — the indication of a measuring instrument should change between LEAN values (the grown poor mix) and «RICH» (the enriched mix) more than 5 times within 10 seconds.
1 time: RICH> LEAN> RICH 2 times: RICH> LEAN> RICH> LEAN> RICH
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- At positive results of check pass to performance of procedures of a step 12.
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According to the scheme «without CONSULT»
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- Pass to the subsection "Left bank front heated oxygen sensor monitor" of check of the II diagnostic mode.
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- Make sure that the control lamp of refusals of MIL is activated not less than 5 times in 10 seconds at engine 2000 turns in a minute.
- At positive results of check pass to performance of procedures of a step 13.
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According to both schemes
At negative results of check pass to performance of procedures of a step 11.
Step 11 — Identification of a source of violation
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- Check serviceability of functioning of a regulator of pressure of fuel.
- Check a condition of the sensor of measurement of weight of air (MAF) and its chain.
- Check a condition of an injector of injection and its electric chain. In case of need make injector washing.
- Check serviceability of functioning of ECM by substitution of obviously serviceable block.
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ECM exit out of operation happens extremely seldom. |
- Having finished check, return to performance of procedures of a step 2.
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Step 12 — Check of a signal right dokatalitichesky warmed up a lambda probe according to the scheme «with CONSULT»
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- For few minutes lift frequency of rotation of the engine to 2000 rpm (without loading).
- Be switched in the subsection "FR O2 MNTR-B1" of the DATA MONITOR mode of a measuring instrument.
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- Without loading lift frequency of rotation of the heated-up engine to normal working temperature to 2000 rpm — the indication of a measuring instrument should change between LEAN values (the grown poor mix) and «RICH» (the enriched mix) more than 5 times within 10 seconds.
1 time: RICH> LEAN> RICH 2 times: RICH> LEAN> RICH> LEAN> RICH
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- At positive results check is complete.
- In the absence of fluctuations of the monitor pass to a step 16, at fluctuations is more rare than 5 times a second — to a step 14, previously having replaced a lambda probe.
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Step 13 — Check of a signal right dokatalitichesky warmed up a lambda probe according to the scheme «without CONSULT»
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- For few minutes lift frequency of rotation of the engine to 2000 rpm (without loading).
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- Pass to the subsection "Right bank front heated oxygen sensor monitor" of check of the II diagnostic mode.
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- Make sure that the control lamp of refusals of MIL is activated not less than 5 times in 10 seconds at engine 2000 turns in a minute.
- At positive results check is complete.
- In the absence of fluctuations of the monitor pass to a step 16, at fluctuations is more rare than 5 times a second — to a step 14, previously having replaced a lambda probe.
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Step 14 — Check of a signal left dokatalitichesky warmed up a lambda probe
According to the scheme «with CONSULT»
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- Be switched in the subsection "FR O2 MNTR-B1" of the DATA MONITOR mode of a measuring instrument.
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- Without loading lift frequency of rotation of the heated-up engine to normal working temperature to 2000 rpm — the indication of a measuring instrument should change between LEAN values (the grown poor mix) and «RICH» (the enriched mix) more than 5 times within 10 seconds.
1 time: RICH> LEAN> RICH 2 times: RICH> LEAN> RICH> LEAN> RICH
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- At positive results check is complete.
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According to the scheme «without CONSULT»
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- Pass to the subsection "Right bank front heated oxygen sensor monitor" of check of the II diagnostic mode.
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- Make sure that the control lamp of refusals of MIL is activated not less than 5 times in 10 seconds at engine 2000 turns in a minute.
- At positive results check is complete
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According to both schemes
At negative results of check pass to performance of procedures of a step 15.
Step 15 — Identification of a source of violation
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- Check serviceability of functioning of a regulator of pressure of fuel.
- Check a condition of the sensor of measurement of weight of air (MAF) and its chain.
- Check a condition of an injector of injection and its electric chain. In case of need make injector washing.
- Check serviceability of functioning of ECM by substitution of obviously serviceable block.
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ECM exit out of operation happens extremely seldom. |
- Having finished check, return to performance of procedures of a step 2.
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Step 16 — Check of a condition of electroconducting right dokatalitichesky warmed up a lambda probe
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- Muffle the engine and disconnect a negative wire from the battery.
- Disconnect electroconducting from ECM.
- Disunite the contact socket of electroconducting a lambda probe.
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- Check conductivity between the plug of 50 ECM and the socket a lambda probe — conductivity should take place.
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- At positive results of check pass to performance of procedures of a step 18, at negative — a step 8 or 9 after preliminary replacement of a plait.
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Step 17 — Check of a condition of electroconducting left dokatalitichesky warmed up a lambda probe
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- Muffle the engine and disconnect a negative wire from the battery.
- Disconnect electroconducting from ECM.
- Disunite the contact socket of electroconducting a lambda probe.
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- Check conductivity between the plug of 50 ECM and the socket a lambda probe — conductivity should take place.
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- At positive results of check pass to performance of procedures of a step 18, at negative — a step 8 or 9 after preliminary replacement of a plait.
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Step 18 — preparation for check of level of the contents WITH
According to the scheme «with CONSULT»
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- Be switched in the subsection "COOLANT TEMP" of the ACTIVE TEST mode of a measuring instrument.
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- By means of DWN and Qd switches expose COOLANT TEMP value equal 5°С.
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According to the scheme «without CONSULT»
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- Disconnect electroconducting from the sensor of temperature of cooling liquid (ECT).
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- Connect between plugs of the contact socket of electroconducting of the sensor the resistor resistance of 4.4 kiloohms.
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Step 19 — Check of level of the contents WITH in the fulfilled gases
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- Start the engine and warm up it to normal working temperature — the arrow of a measuring instrument of temperature on the dashboard should leave on the middle of a working range of a scale.
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- 2-3 times short breakthroughs lift frequency of rotation of the engine to 4000 rpm (without loading), then dump turns to the single.
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- Make measurement of the content in the fulfilled gases of monooxide of carbon (WITH). Demanded value makes 0.2 — 8 % at single turns of the engine.
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According to the scheme «without CONSULT»
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- Having finished check, remove peremykayushchiya of the plug of the contact socket the resistor and restore initial connection of electroconducting.
- At positive results of check replace the left forward warmed-up oxygen sensor and return to a step 10.
- At negative results of check pass to performance of procedures of a step 20.
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Step 20 — Identifications of a source of violation
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- Connect electroconducting to both lobbies warmed up a lambda probes.
- Check serviceability of functioning of a regulator of pressure of fuel.
- Check a condition of the sensor of measurement of weight of air (MAF), electroconducting and its chains.
- Check a condition of an injector of injection and its electric chain. In case of need make injector washing.
- Check a condition of the ECT sensor and its electric chain.
- Check serviceability of functioning of ECM by substitution of obviously serviceable block.
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ECM exit out of operation happens extremely seldom. |
- Having finished check, return to performance of procedures of a step 2.
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