Daewoo Nexia

Since 1994 of release

Repair and car operation

Daewoo Nexia
+ The maintenance instruction
+ Maintenance service
+ The engine
+ 3. The engine (two top camshafts)
+ Cooling system
+ Fuel and exhaust systems
+ Electric chain
+ 7. Ignition system
- 8. The electronic block of management and gauges
   - 8.2. Gauges
      8.2.2. The gauge of temperature of air in an inlet collector (pipeline) (ДТВ)
      8.2.3. The gauge of concentration of oxygen in the fulfilled gases (ДКК)
      8.2.4. The gauge of position throttle заслонки (ДДЗ)
      8.2.5. The gauge of absolute pressure in the inlet pipeline (ДАД)
      + 8.2.6. The gauge of speed of the car (ДСА)
      8.2.7. The gauge of inclusion of a central air of air
      8.2.8. Switch "Parking" / a neutral (an automatic transmission)
+ Transmission
+ 10. A five-speed transmission and the main transfer RPO MM5
+ 11. Automatic Transmission
+ Steering
+ Running gear
+ 14. A forward suspension bracket
+ 15. A drive of forward wheels
+ 16. A back suspension bracket
+ Brake system
+ Body
+ Heating, ventilation
+ Electric equipment

8.2.4. The gauge of position throttle заслонки (ДДЗ)

The gauge of position throttle заслонки (ДЛЗ)


ДДЗ represents a potentiometer which is established in the case throttle заслонки and it is connected with its axis. Conducting ДДЗ includes a wire of a food with pressure 5 In, "mass" and alarm wires. On pressure of a signal of DDZ ECU defines current position заслонки. At influence on a pedal of an accelerator signal ДДЗ in appropriate way changes. At closed throttle заслонке pressure of a signal makes about 0,5 V.Po to an opening measure заслонки pressure of signal ДДЗ grows and at completely opened заслонке makes about 5 Century ECU doses out giving of fuel depending on a corner of opening throttle заслонки which is defined by operating influence of the driver. Rupture or easing of contacts of wires can lead to non-uniform giving of fuel in engines and unstable work of the engine idling, as ECU принима ет astable signal ДДЗ for a sign of movement throttle заслонки. At refusal ДДЗ or conductings ECU establishes a code of malfunction 21. After that ECU ignores signal ДДЗ – engine work improves. At installation of a code of malfunction 21 high frequency of idling of the engine is supported.

To remove or disconnect

1. An electric socket.
2. Fixing screws and fixing washers.
3. The gauge.

To establish or attach

1. To close throttle заслонку and to establish in its case DDZ.
2. To screw two fixing screws. To tighten screws of fastening ДДЗ the moment of 2 Nanometers.
The prevention

By means of the scanning device to check up pressure of signal ДДЗ at completely closed заслонке. Pressure of a signal should not exceed 1,25 Century Otherwise (pressure above 1,25) to check up presence of jamming of an axis throttle заслонки or рычажка ДДЗ. If it was not possible to find out a cause of defect, to replace ДДЗ.

3. An electric socket.