12:15. Electronic control system of the diesel engine

ELECTRONIC CONTROL UNIT

Removal

PERFORMANCE ORDER
1. The electronic control unit of the EDS system is established in a back part of a motor compartment behind a partition.
2. Remove a weight wire from the accumulator.
3. Disconnect the multicontact electric socket from an electronic control unit.
4. Unscrew screws and remove an electronic control unit from a partition of a motor compartment.

Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal.

OVERLOAD RELAY

Removal

PERFORMANCE ORDER
1. The relay is installed on the main unit near EDS ECU. The relay contains fuses and diodes as which protection of EDS against an overload on current and tension throws enters.
2. Remove a weight wire from the accumulator.
3. Take the relay from a nest.

Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal.

RPM METER OF THE BENT SHAFT

Removal

PERFORMANCE ORDER
1. Remove a weight wire from the accumulator.
2. Disconnect the electric socket of the sensor of a bent shaft which is located in a motor compartment behind the accumulator.
3. The sensor of a bent shaft is installed on the interfaced surface between the block of cylinders and a case of coupling over a starter. Unscrew a bolt and remove the sensor of a bent shaft from a coupling case. Remove laying.

Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal.

SENSOR OF TEMPERATURE OF COOLING LIQUID

Removal

PERFORMANCE ORDER
1. Merge a part of cooling liquid from the cooling system. Check that ignition is switched off.
2. The sensor of temperature of cooling liquid is located in the left top part of a head of the block of cylinders.
3. Disconnect the electric socket from the sensor of temperature of cooling liquid.
4. Unscrew the sensor and remove a sealing ring.

Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal. Add cooling liquid in the cooling system.

ELECTROMAGNETIC EXECUTIVE ELR MECHANISM

Removal

PERFORMANCE ORDER
1. The electromagnetic executive ARA mechanism is fixed by bolts on a back part of the fuel pump of high pressure. On cars, it is equipped ny with electronic control by turns of idling of ELR and an antidetonatsa this control system of ARA the electromagnetic executive mechanism is located below.
2. Remove a weight wire from the accumulator.
3. On models without turbo-supercharging remove the air filter.
4. Disconnect the electric socket from the executive mechanism.
5. Unscrew two bolts and remove the case of the executive mechanism from a back part of the fuel pump of high pressure. Remove a sealing ring and a pusher.

Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal. At installation of the executive mechanism establish a new sealing ring. At installation of the new executive mechanism remove a pusher from the old executive mechanism and install on the new executive mechanism.

VACUUM VALVE OF SYSTEM OF REPEATED COMBUSTION OF EXHAUST GASES

You watch the corresponding description in subsection 13.6.

AIR STREAM MEASURING INSTRUMENT

Removal

PERFORMANCE ORDER
1. Remove a weight wire from the accumulator. Remove the air filter.
2. Unscrew an arm of the air filter from the air stream measuring instrument case.
3. Weaken collars and remove air branch pipes from the air stream measuring instrument. Remove sealing rings.
4. Disconnect the electric socket from the air stream measuring instrument.
5. Unscrew nuts and bolts and remove the air stream measuring instrument from an arm.
Prevention

Observe care and accuracy during the work with the air stream measuring instrument.


Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal.

THE SENSOR OF TEMPERATURE OF THE AIR COMING TO THE ENGINE

The sensor of temperature of the air coming to the engine is an air stream measuring instrument component.