Possible malfunctions of the EPHH control unit. AZLK 2141 (Muscovite)
Service and car repairs of 2141 - the Muscovite.
1. General data
2. Engines
3. Power supply system
4. Cooling system
5. Transmission
6. Running gear
7. Tires, wheels
8. Steering
9. Brake management
10. Body
11. Electric equipment
11.1. Wires and safety locks
11.2. Block of safety locks and relay
11.3. Scheme of internal connections of the block of safety locks and relay
11.4. Rechargeable battery
11.5. Electric equipment installed on cars of fashion. 2141-01, 2335
11.5.1. G-222 generator
11.5.2. Starter 35.3708
11.5.3. System of ignition of the engine of fashion. 2106
11.5.3.1. Possible malfunctions of system of ignition
11.5.3.2. Spark plugs
11.5.3.3. Economizer of Compulsory Idling (ECI)
11.5.3.4. EPHH control unit
11.5.3.4.1. Check of the EPHH control unit
11.5.3.4.2. Possible malfunctions of the EPHH control unit
11.5.3.5. Microswitch
11.5.3.6. EPHH electromagnetic valve
11.5.3.7. Possible malfunctions of the electromagnetic valve
11.5.3.8. Sensor of a control lamp of pressure of oil
11.6. Electric equipment (21412-01, 214122, 214123 and 23352, 233522, 233523)
11.7. Electric equipment (2141-01, 21412-01, 214122, 214123 e 2335, 23352, 233522, 233523)
11.8. Control devices
12. Electrical circuitries
 










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11-5-3-4-2-vozmozhnye-neispravnosti-bloka-upravleniya-ehpkhkh.html

11.5.3.4.2. Possible malfunctions of the EPHH control unit

REASON
ELIMINATION METHOD
The engine stops on the idling mode
The control unit is faulty: electric communication of conclusions "1" and "2" is absent with a frequency of rotation of a bent shaft of the engine less than 1140 ± 5% of mines-1
To replace the control unit.
EPHH does not turn off supply of fuel on the modes of compulsory idling
The control unit is faulty: electric communication of conclusions "1" and "2" remains with a frequency of rotation of a bent shaft of the engine more than 1500 ± 5% of mines-1
To replace the control unit.


11.5.3.4.1. Check of the EPHH control unit

11.5.3.5. Microswitch