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Operation of electric motor control system components
Distributor Check angle sensor | - Remove the distributor from the engine.
- Disconnect the negative cable to the battery and wiring to the distributor.
| - Using a voltmeter prozondiruyte terminal D of the electric wiring harness connector (see. Inset on an accompanying illustration).
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- Turn the ignition switch ON and slowly rotate the shaft by hand distributor, check the voltage - it must oscillate between the values 0 and 5 V.
- Repeat the test for terminal C.
- If the voltage does not meet the specified requirements, the following procedures:
- Uncover the distributor and give restrictor turns. Remove from the distributor plate screen and slider.
- Check the signal plate angle sensor for signs of dust and damage. If necessary, gently wipe the plate and surrounding components. If the warning plate is damaged, replace the valve (separately purchase a new plate can not be).
- If the distributor in order, check the wiring of his power and ground. If no obvious defects can not be identified, the car should be driven away in dealer branch of the manufacturer for detailed diagnostics.
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Refitting Withdrawal | - Disconnect the electrical connector of the distributor and disconnect from the distributor ground wire.
- Disconnect the explosive ignition coil wire from the distributor cap, give the fastening screws and set aside to cover connected to it towards the spark plug wires. Turn the engine clockwise so that the mark on the crankshaft pulley is aligned with the zero mark on the cover of the timing and the slider of the distributor turned towards the location of the terminals BB wire of the first cylinder in the distributor cap.
- Mark the position of the body of the distributor relative to the cylinder head in order to simplify procedures for starting ignition timing during assembly.
- Give a fixing bolt and remove the valve from the cylinder head.
| Do not crank the engine if the check valve. |
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Setting Installation is in the reverse order. | - Make sure that the mark on the crankshaft pulley is still aligned with the zero mark on the front cover.
| If Cranks when removing the valve, remove the spark plug of the first cylinder, plug the spark plug hole with your finger and ask the assistant to manually rotate the crankshaft clockwise. When there a noticeable feeling of pressure, rotate the shaft a little to align the marks on the pulley and the cover. |
| - Achieve alignment marks on the drive pinion valve with a response label as a small risks on the distributor (see. Accompanying illustration) and insert the valve into the cylinder head, and align the landing mark.
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- Replace and tighten the fixing bolt.
- Install the distributor cap and tighten the mounting bolts.
- Connect the wiring to the distributor and the negative wire to the battery.
- Check the ignition timing.
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Removal and installation of the meter of air flow Withdrawal | - Disconnect the electrical wiring from the air flow meter.
- Loosen the clamp and disconnect the air flow meter air hose.
- Release the clamp on the top half to the bottom of the air cleaner housing and remove the assembly from the vehicle.
- Give fixing bolts and separate measuring air flow from the upper half of the air cleaner housing. Remove the plate from the inner side of the upper half of the air cleaner housing.
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Setting Installation is in the reverse order. | - Track correctness of installation of a sealing ring in the groove in the air flow meter.
- Ensure proper placement of the filter element in the upper half of the air cleaner housing.
- Start the engine and check for air leaks.
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Coolant temperature sensor (CTS) Check | - Remove the CTS.
- Connect an ohmmeter to terminals CTS.
- Lower thermometer and a metal end sensor in a container of cold coolant. Make sure that the sensor and the thermometer is not in contact with the vessel walls (see. Accompanying illustration).
- Start slowly heat the coolant, the tracking sensor resistance with temperature. Compare the results with the standard data:
Temperature, ?� C | Resistance, Ohm | 20 ?� C | 2100 ÷ 2900 Ohm | 50 ?� C | 680 ÷ 1000 Ohm | 80 ?� C | 300 ÷ 330 ohms |
- If the reduced dependency is not satisfied, CTS should be replaced.
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Refitting Withdrawal | - Disconnect the electrical wiring from the CTS.
- Drain the coolant from the cooling system by lowering the level below the level of the CTS.
| - Remove the sensor from the intake manifold.
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Setting | - Installation is in the reverse order.
- The sensor must be tightened firmly, but not too tight.
- Fill the cooling system.
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Ignition coil Check | - Disconnect from the coil wire explosives and simple.
| - Using an ohmmeter, check the resistance between the terminals of the coil (see. Inserts on the accompanying illustrations - in the illustration also shows the location of the ignition coil, the powerful key of the output stage and a resistor / capacitor). Required values given in the table below:
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Terminals | Resistance | Terminals 1 and 2 | ÷ 1 Ohm | Terminal 1 and Terminal BB | 10k |
- If the result does not correspond to normative data, the coil must be replaced.
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Refitting Withdrawal | - Disconnect the electrical connectors at the ignition coil and powerful way of the output stage.
- Disconnect the wire from the explosive ignition coil, disconnect the ground wire from the bracket.
- Give bracket bolts and remove the assembly from the vehicle.
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Setting Installation is in the reverse order. Powerful key output stage Check | - Disconnect the electrical wiring from the powerful key.
- Check for conduction between terminals key. Compare your results with the requirements listed in the table:
Terminal | Ohmmeter | Conductivity | A | + | No | B | - | | A | - | there is | B | + | | A | + | No | C | - | | A | - | there is | C | + | |
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Refitting Withdrawal | - Remove the ignition coil.
- Give fixing screws and remove the powerful key of the output stage from the bracket.
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Setting Installation is in the reverse order. Check resistor / capacitor | - Small screwdriver, gently pry the resistor / capacitor and remove it from the harness adjacent to the ignition coil.
- Using an ohmmeter, check the resistance between the terminals close to the mounting ears. Resistance should be equal to 2200 ohms, otherwise the resistor / capacitor must be replaced.
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Solenoid valves control Check | - Disconnect the electrical wiring from the corresponding solenoid valve (position solenoid valve fuel pressure regulator models manufactured before October 1994 is shown in the accompanying illustration A, purge valve of a coal adsorber - in the illustration B).
| A. |
| B. |
| - To check the valve:
- Give him voltage of 12 V. The air between fittings and A should take place between the fittings C and A - not (see. Accompanying illustration).
- Turn off the power. The picture should be reversed.
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Refitting Withdrawal | - Disconnect from the corresponding valve wiring and vacuum hoses.
- When removing the valve of a purge of a coal adsorber give the valve bracket bolts to the cylinder head cover and lift the bracket enough to allow access to the mounting nut of the valve.
- Give a fixing nut under the bracket and remove the valve from the last.
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Setting Installation is in the reverse order. Make sure that your ear valve properly entered into the bracket. Throttle Position Sensor (TPS) Check | - Disconnect the electrical connector TPS.
| - Connect an ohmmeter to terminals B and C of the electric sensor connector (see. Accompanying illustration).
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- At closed throttle resistance should be about 1000 ohms.
- When partially open throttle resistance should be in the range 1000 ÷ 9000 Ohm.
- At full throttle the resistance should be approximately 9000 ohms.
- Disconnect the electrical plug gauge-switch of idling from the body TPS.
- According to the illustrations, connect an ohmmeter to terminals A and B of the gauge-switch of idling.
- When the throttle is closed between terminals should take place conductivity.
- When partially open throttle conduction should not be.
- If the results of the measurements do not meet the regulatory requirements, check the adjustment of the TPS, and if achieved satisfactory results can not, replace the sensor.
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Refitting Withdrawal | - Disconnect wiring the gauge-switch of idling from the body TPS, disunite an electric socket TPS.
- Give fixing screws and remove the TPS to the throttle body.
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Setting | - Installation is in the reverse order.
- Make sure the flats on the axis of the throttle properly aligned with the TPS.
- If necessary, adjust the TPS.
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Adjustment | - Disconnect the electrical wiring from the valve of additional air (AAS).
- Disconnect the electrical plug gauge-switch of idling from the body TPS.
- Start the engine and warm it up to normal operating temperature.
- According to the illustration 4.44, connect an ohmmeter between terminals A and B of the gauge-switch of idling.
- Loosen the screws and adjust the TPS such that the conductivity occurred at an engine speed of 900 ?� 150 rev / min and was absent at speeds in excess of 1050 per minute.
| If the desired result can not be achieved, replace the TPS. |
- Tighten the screws and check the adjustment.
- Stop the engine, remove the ohm meter and connect the wiring to the TPS and valve AAS.
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Supplementary air valve (AAS) Check | | - Disconnect the electrical wiring from the valve AAS (see. Accompanying illustration).
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- Measure the impedance between the terminals of the valve, - it should be about 10 ohm, otherwise the valve must be replaced.
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Refitting Withdrawal | - Disconnect from the valve AAS wiring and bypass air hose.
- Give fixing bolts and remove the valve assembly from the unit idle air control (IAA).
- Give fixing bolts and remove the valve body AAS electromagnet coil.
- Check the permeability channels. Make sure that the plunger slides freely within the housing and spring are not broken or otherwise damaged. If necessary, remove carbon deposits from the channels with a soft cloth and a cleaner for carburetors.
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Setting Installation is in the reverse order. When installing the valve AAS using a new gasket. The device of indemnification of turns of fast idling (FICD) Check | - Disconnect the electrical wiring from the device FICD.
- Apply the terminals of the electromagnet FICD voltage of 12 V. When voltage should hand clearly clicking, otherwise replace FICD
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Refitting Withdrawal | - Disconnect the electrical wiring from the valve FICD.
- Removal from the valve FICD IAA.
- Remove the valve plunger and spring. Make sure that the plunger slides freely in the valve, and the spring was not broken or otherwise damaged. If necessary, remove carbon deposits from the channels with a soft cloth and a cleaner for carburetors.
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Setting Installation is in the reverse order. | - Check the condition of the sealing washer, if necessary, replace.
- Track correctness of installation of a spring on the plunger.
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Removal and installation of air control unit idling (IAA) Withdrawal | - Remove the valve AAS.
- When a suitable key bar stock Give fixing bolts and remove the unit from the IAA with the lining of the pump chamber of an air path.
- If necessary, remove the unit from FICD.
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Setting Installation is in the reverse order. When installing the valve block IAA AAS and use a new gasket. Air regulator | Air control valve is located under the intake manifold near the probe. |
Check | - Disconnect the electrical wiring from the air regulator.
- Check the resistance between the terminals of the regulator. It must be about 70 ÷ 80 Ohm, otherwise replace the regulator.
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Refitting Withdrawal | - Disconnect the electrical wiring from the air regulator.
- Loosen the hose clamps and disconnect the hoses from the regulator.
- Give fixing bolts and remove the regulator from the intake pipe.
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Setting Installation is in the reverse order. The gauge-switch of pressure of oil hydrostrengthening steering system Check | - Disconnect electroconducting from the gauge-switch on the steering pump.
- Connect an ohmmeter to terminals gauge-switch and start the engine.
- When running the engine at idle and the straight position of the front wheels of the car sensor switch must be open (no conductivity).
- When running at idle and turn the engine in any of the sides of the front wheel sensor must be closed (there is a conductivity).
- If the test conditions are not met, the gauge-switch of pressure of oil should be replaced with power steering.
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Refitting Withdrawal | - Disconnect electroconducting from the gauge-switch.
- Remove the gauge-switch from the steering pump.
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Setting Installation is in the reverse order. Make sure that the fluid level in the reservoir system hydrostrengthening steering was normal. Relay | | The following procedures apply to the relay the engine management system (ECCS), the fuel pump and the park / neutral (gauge-switch of the permission of start), located near the battery (see. Accompanying illustration). |
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Check | - Remove the switch from the housing in the engine compartment.
- Applied to terminals A and 12 V and check for continuity between the terminals C and D (see. Illustration). on models with 6-terminal of the fuel pump relay, check for continuity between the terminals E and F (it must be the case).
- The conductivity should be absent between terminals C and D, or E and F, when the voltage at the terminals A and B is supplied.
- If this test does not give the desired results, replace the relay.
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