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IDLE ECONOMIZER CONTROL UNIT 5003.3761

 

Idle economizer control unit 5003.3761
General information
Specifications
Connection diagram
Dimensional drawing

 

General information:

The idle economizer control unit (IECU) 5003.3761 is purposed for switching on/off of idle economizer electromagnetic valve in order to increase saving of fuel and reduce toxicity of vehicle exhaust gases.

The idle economizer control unit (IECU) 5003.3761 is produced in a single climatic design О2.1 in accordance with GOST 15150 for internal market and for export. An operating mode of the unit, in accordance with GOST 3940 is continuous nominal S1.

Applicability: automobiles VAZ-2108, VAZ-2109, "Tavria" and others.

The idle economizer control unit (IECU) 5003.3761 ensures:
- control of the idle economizer electromagnetic valve;
- protection of the idle economizer valve control circuit from a short-circuit on "mass" of the vehicle;
- protection from resistance reduction of idle economizer valve circuit;

The unit 5003.3761 is mounted on a stipulated for it place in the vehicle with the help of standard fastenings and a standard plug.

The warranty period of exploitation is 3 years from the date of commissioning or from the date of sale in retail commercial network. The warranty obligations of the manufacturer are valid during 4 years from the date of the item production. The date of production is marked on the item housing.
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Specifications:

  Nominal supply voltage, V
12,0
  Permissible limits of supply voltage, V
6,0 .. 18,0
  Maximum commutating current, A
1,0 ± 0,2
  Rotation frequence of crankshaft of 4-cycle 4-cylinder engine corresponds:  
  - switching-on of idle economizer valve, rpm (Hz)
1900 ± 96 (63,3 ± 3,2)
  - switching-off of idle economizer valve, rpm (Hz)
2100 ± 105 (70,0 ± 3,5)
  Exceed of switching-off frequence of idle economizer valve above switching-on frequence (hysteresis), not less, rpm (Hz)
200 (6,67)
  Maximum allowable influence of the increased supply voltage up to 5 min., V
25,0
  Maximum allowable pulse overvoltages of a positive and negative polarity, V
160,0
 
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Connection diagram:

Connection diagram of the idle economizer control unit 5003.3761
 
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Dimensional drawing:

Dimensional drawing of the idle economizer control unit 5003.3761
 
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