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The «PAZ» Instrument Cluster 71.3801, -01; 7107.3801, -01

The «PAZ» Instrument Cluster
The «PAZ» Instrument ClusterModel: 71.3801, 7107.3801

The «PAZ» Instrument Cluster is designed for processing and displaying information about functional and technical condition of units, aggregates, systems and vehicle motion parameters using needle indicators, a multipurpose display, checking indicating lights and beepers.

The Instrument Cluster is part of the bus instrument panel.

The cluster is manufactured in two climatic modifications – U and T – of 2nd placement category according to GOST 15150, suitable for export:

  • 71.3801 – for operation in the temperature range from -40 to +60ºC ;
  • 7107.3801 – for operation in the temperature range from -20 to +60ºC.

Using its checking indicating lights and beepers the the «PAZ» Instrument Cluster provides for:

a) indicating the condition of main aggregates and systems of the vehicle;

b) signalling about failures in the vehicle;

c) monitoring and indication of surpassing the vehicle speed;

d) monitoring and indication of operating zones of the engine;

e) monitoring and indication of the «Fuel reserve» zone;

f) monitoring and indication of the «Coolant emergency temperature» zone;

g) monitoring and indication of the «Oil emergency pressure».

The vehicle speed indicator, the «PAZ» Instrument Cluster, generates a normalized periodical speed signal - «Output 1», «Output 2», a normalized periodical mileage signal - «Output 3», supply voltage for the speed pulse sensor, a TCO1 message (there is no digital tachograph in the vehicle) with the data: «Vehicle speed – instrument cluster»; «Rotation frequency of the powertrain output shaft».

The «PAZ» Instrument Cluster provides for indicating parameters using needle indicators and the multipurpose display.

The «PAZ» Instrument Cluster operates in the following modes:

1. «Operation» mode is basic, and allows to indicate information about functional and technical condition of units, aggregates, systems and vehicle motion parameters.

2. «Diagnostics» mode is designed for displaying diagnostic and warning messages.

3. «Testing» mode is designed for testing the «PAZ» Instrument Cluster for operation using a visual method for checking functioning of indicator needles, displays and indicating lights.

4. «Setting» mode is designed for:

  • inputting the speedometer coefficient, tachometer coefficients, transmission coefficient;
  • inputting maximum speed values, rpm limit;
  • switching the ABS data bus on and off;
  • calculating pulses of the speed sensor;
  • entering and changing the password;
  • inputting service parameters;
  • switching operating hours data;
  • switching mileage data.

5. «Failure» mode is designed for protecting the «PAZ» Instrument Cluster from elevated voltage.


Technical characteristics:

Operating supply voltage, V

24

Overall dimensions, mm

470 х 180 х 88

Maximum consumption current with ignition switch ON, A

No more than 1,5

Maximum consumption current with ignition switch OFF, A

No more than 0,03

Weight, kg

No more than 1,5

The PAZ 71.3801-01 Instrument Cluster supersedes the PAZ 71.3801 Instrument Cluster version and features additional functions:
• connection of the gas pressure sensor;
• indication of the Gas Pressure value on the Fuel Level pointer-type instrument;
• display of the Gas Consumption Per 100 km and Gas Consumption Per Hour values on the monitor;
• generation of supply voltage 5.00 ±0.25 V for the gas pressure sensor.


Maintenance manuals:

The «PAZ» Instrument Cluster 71.3801 (before October 2014)
Maintenance manual ADIG.453895.010 RE

The «PAZ» Instrument Cluster 71.3801 (October 2014 through March 2017)
Maintenance manual ADIG.453895.010 RE

The «PAZ» Instrument Cluster 71.3801 (after April 2017)
Maintenance manual ADIG.453895.010 RE

The «PAZ» Instrument Cluster 71.3801-01 (before October 2014)
Maintenance manual ADIG.453895.010-02 RE

The «PAZ» Instrument Cluster 71.3801-01 (October 2014 through April 2016)
Maintenance manual ADIG.453895.010-02 RE

The «PAZ» Instrument Cluster 71.3801-01 (May 2016 through March 2017)
Maintenance manual ADIG.453895.010-02 RE

The «PAZ» Instrument Cluster 71.3801-01 (after April 2017)
Maintenance manual ADIG.453895.010-02 RE



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