The device, service, repair of Honda Civic and Acura Integra - System of anti-blocking of brakes (ABS) – the general information and codes of malfunctions//since 1994 release / civic2.ru

Honda Civic/Acura Integra

since 1994 release

Repair and operation of the car



Honda Tsivik
+ Cars of the Honda Civic and Acura Integra brand
+ Maintenance instruction
+ Routine maintenance
+ Engine
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+ Engine electric equipment
+ Control systems of the engine
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- Brake system
   Specifications
   System of anti-blocking of brakes (ABS) - the general information and codes of malfunctions
   Replacement of brake shoes of disk brake mechanisms
   Removal, repair and installation of supports of disk brake mechanisms
   Check of a state, removal and installation of a brake disk
   Replacement of boots of drum brake mechanisms of back wheels
   Removal and installation of wheel cylinders
   Removal and installation of the main brake cylinder
   Check of a state and replacement of brake lines and hoses
   Pumping of the brake system
   Check of serviceability of functioning/tightness, removal and installation of assembly of the vacuum amplifier of brakes
   Adjustment of the parking brake
   Replacement of a cable(s) of the drive of the parking brake
   Check of serviceability of functioning, replacement and adjustment of the sensor switch of stoplights
   Check of serviceability of functioning and replacement of the sensor switch of level of brake fluid
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


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System of anti-blocking of brakes (ABS) – the general information and codes of malfunctions

General information

When the vehicle is equipped with the brake system of usual type, sharp squeezing of a pedal of a foot brake leads to blocking of wheels. At the same time coupling of a protector with a paving is broken, and the car can start to skid, having lost controllability. The system of anti-blocking of brakes (ABS) is designed to prevent premature blocking of wheels, continuously operating the speed of their rotation during braking due to modulations of pressure of hydraulic liquid in each of brake mechanisms.

ABS consists of two main subsystems: electric and hydraulic. Four sensors of speed of rotation of wheels, the processor of management and a set of a connecting electrical wiring enter an electric part of system. A hydraulic part includes pressure modulator, supports of disk brake mechanisms and hydraulic lines connecting among themselves components.

The principle of functioning of system is rather simple. Each of wheels is equipped with the individual RPM meter. The sensor consists of a rotor (a ring with the teeth which are evenly located on its perimeter) and a sensitive element in the form of the podmagnichenny coil. The sensitive element of the sensor fixes the moments of passing of rotor teeths by it and will transform the obtained information to electric signals, control of ABS which are continuously transferred on the processor. By results of processing of the arriving signals the processor obtains information on the relative speed of rotation of each of wheels. While all four wheels rotate with an identical frequency, ABS stays in a passive state. As soon as any of wheels begins to be blocked, the processor fixes change of the entering signal and develops the command for operation of the modulator which is instantly dumping pressure of hydraulic liquid in the brake mechanism of the corresponding wheel. As soon as normal rotation of a wheel is restored, the processor stops functioning of the modulator.

Actually the scheme of functioning of ABS is much more difficult, than it can seem therefore authors of the present manual do not recommend to owners of cars to make attempts of independent performance of repair of system. In case of malfunctions it will be most reasonable to address specialists of car service.

Reading of codes of malfunctions of ABS

 PERFORMANCE ORDER

1. At start of the engine the control lamp of ABS on an instrument guard of the car has to join quickly and almost at once again go out. If because of any violation the lamp remains included after implementation of start of the engine, the ABS processor writes down the corresponding digital code in memory of the block of self-diagnostics. For reading of a code on a control lamp:
   a) Release the plug of the diagnostic socket from the cover located under a ware box (see the Head of the Control system of the engine);
   b) Connect two contacts of the socket a wire crossing point.

The Civic models (and Integra since 1998 of the issue)

 PERFORMANCE ORDER

1. Include ignition (the engine do not start). Two seconds later after turning of a key in situation the ON ABS processor will begin to give the codes of malfunctions which are written down in his memory, appealing a blinking of a control lamp of ABS on an instrument guard of the car. Highlighting of codes begins with a pause lasting 3.6 seconds. Then the sequence of impulses of the first of written down in the processor memory of a code is given (a series of blinkings of the main code, then, after a second pause, – a series of blinkings of an additional code [if that is provided]). Further, after a five-second pause, the combination of codes (the main and additional) the second malfunction, etc. is highlighted. The system allows to read out any quantity of codes. Having written down only a few information, compare it to the card of codes given on the accompanying table.

Malfunction code

Possible source of malfunction

11

The sensor of speed of rotation of the right forward wheel (break/short circuit in a chain)

12

The sensor of speed of rotation of the right forward wheel (electric hindrances or violation of stability of the developed signals)

13

The sensor of speed of rotation of the left forward wheel (break/short circuit in a chain)

14

The sensor of speed of rotation of the left forward wheel (electric hindrances or violation of stability of the developed signals)

15

The sensor of speed of rotation of the right back wheel (break/short circuit in a chain)

16

The sensor of speed of rotation of the right back wheel (electric hindrances or violation of stability of the developed signals)

17

The sensor of speed of rotation of the left back wheel (break/short circuit in a chain)

18

The sensor of speed of rotation of the left back wheel (electric hindrances or violation of stability of the developed signals)

21

Rotor of the sensor of speed of rotation of the right forward wheel

22

Rotor of the sensor of speed of rotation of the left forward wheel

23

Rotor of the sensor of speed of rotation of the right back wheel

24

Rotor of the sensor of speed of rotation of the left back wheel

31

Entrance electromagnetic coil of the sensor of the right forward wheel

32

Output electromagnetic coil of the sensor of the right forward wheel

33

Entrance electromagnetic coil of the sensor of the left forward wheel

34

Output electromagnetic coil of the sensor of the left forward wheel

35

Entrance electromagnetic coil of the sensor of the right back wheel

36

Output electromagnetic coil of the sensor of the right back wheel

37

Entrance electromagnetic coil of the sensor of the left back wheel

38

Output electromagnetic coil of the sensor of the left back wheel

41

Blocking of the right forward wheel

42

Blocking of the left forward wheel

43

Blocking of the right back wheel

44

Blocking of the left back wheel

51

Blocking of the motor

52

The motor does not turn on

53

The motor is not switched off

54

The safety relay is faulty

61

Excessively low voltage in an ignition chain

62

Excessively high voltage in an ignition chain

71

Wheels of various diameter are established

81

The block of the central processing unit and ROM/RAM (ROM/RAM) is faulty

The Integra models for 1997 the issue.

 PERFORMANCE ORDER

1. Include ignition (the engine do not start). Two seconds later after turning of a key in situation the ON ABS processor will begin to give the codes of malfunctions which are written down in his memory, appealing a blinking of a control lamp of ABS on an instrument guard of the car. Highlighting of codes begins with a pause lasting 2 seconds. Then the sequence of impulses of the first of written down in the processor memory of a code is given (a series of blinkings of the main code, then, after a second pause, – a series of blinkings of an additional code [if that is provided]). Further, after a five-second pause, the combination of codes (the main and additional) the second malfunction, etc. is highlighted. The system allows to read out up to three codes.
2. If you lost count when reading codes, switch off ignition, then again include it and begin anew. Do not forget that any repair of ABS has to be made by specialists of car service.

The card of codes of malfunctions of ABS for the Integra models for 1997 the issue.

Cleaning of the processor memory of ABS

After elimination debugged system the processor memory it has to be cleared.

The Civic models (and Integra since 1998 of the issue)

 PERFORMANCE ORDER

1. For cleaning of the processor memory remove a wire crossing point from plugs of the diagnostic socket, then not less than for three seconds take ABS B2 safety lock on 15 A of the car of the assembly block installed in a motive compartment. Insert into place a safety lock and connect the plug of the diagnostic socket to a cover.

The Integra models for 1997 the issue.

 PERFORMANCE ORDER

1. Without removing a wire crossing point, switch off ignition, then squeeze out a pedal of a foot brake and again turn the ignition key in position of ON. When the control lamp of ABS on an instrument guard goes out, release a pedal – the lamp has to join again. Again squeeze out a pedal and wait for shutdown of a lamp. Release a pedal.
2. The control lamp has to blink twice, confirming processor memory cleaning then it is possible to switch off ignition, to remove a wire crossing point and to restore initial connection of the diagnostic socket.