Subaru Legacy/Outback

1999-2003 of release

Repair and car operation



Subaru Legasi, Autbek
+ Cars Subaru Legacy, Outback
+ The operation manual
+ Routine maintenance
+ The engine
+ Systems of cooling, heating
+ The power supply system and release
+ Engine electric equipment
+ Manual box and differential
+ Automatic transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Specifications
   Search of causes of failures of an electric equipment
   Safety locks - the general information
   Chain breakers - the general information
   The relay - the general information and check of serviceability of functioning
   Details of a lining of onboard electroconducting
   System of additional safety (SRS) - the device and a functioning principle
   Diagnostics of malfunctions SRS
   Removal and installation of components SRS
   Control system of speed (темпостат) - the device and a functioning principle
   Check of serviceability of functioning of components and problem diagnostics темпостата
   Removal, check of a condition and installation of components of a control system by speed
   Combination of devices - the general information and a principle of functioning of components
   Problem diagnostics of components of a combination of devices
   Removal, service and installation of a combination of devices, check of a condition of components
   Heating of back glass and rear-view mirrors - the general information, check of serviceability of functioning of components, regenerative repair of a thermoelectric heating element
   Heating of brushes of screen wipers - the general information, check of serviceability of functioning of components, regenerative repair of a thermoelectric heating element
   Removal, check of a condition and installation of switches of management by functioning of the electric drive of regulators Glass lifts
   The electric drive of rear-view mirrors - check of serviceability of functioning
   Removal check and installation of the switch of management by functioning of the electric drive of external rear-view mirrors
   Removal, check of a condition and installation of the switch of management by functioning of the electric drive of the top hatch
   Removal, check of a condition and installation combined подрулевых switches
   Check of serviceability of functioning of electromotors of a drive of screen wipers, removal, check and installation of the operating relay of a back screen wiper on models Legacy of Universal/Outback
   Check of the relay and switches of lighting and alarm devices
   Removal and installation of lighting devices, replacement of lamps
   Removal, check of a condition and installation of small horns and the horn switch
   Check of a condition and replacement of contact group of the switch of ignition
   The uniform lock - the device, a functioning principle, diagnostics of malfunctions
   Removal, check of a condition and installation of components of the uniform lock
   System иммобилизации the engine - the device, a functioning principle, diagnostics of malfunctions
   Removal and installation of components of system иммобилизации the engine
   Removal and installation of assemblage of a radio receiver
   Removal and installation of loudspeakers
   Check of a condition and regenerative repair of the window aerial of a radio receiver
   Removal, installation and check of a condition of the antenna amplifier of a radio receiver
   Removal and installation прикуривателя
   + Schemes of electric connections





Combination of devices - the general information and a principle of functioning of components

Design of a combination of devices

And — the Combination of devices of usual type
In — the Combination of devices of luminescent type
1 — Luminescent ободки
2 — the Measuring instrument of a stock of fuel
3 — the Speedometer
4 — the Tachometer
5 — the Measuring instrument of temperature of the engine
6 — Control lamp SRS/AIR BAG
7 — the Control lamp of level of a brake liquid/raising of a lay brake
8 — the Control lamp of temperature ATF (it is activated at overheat ATF from above 150°С)
9 — the Control lamp of refusals MIL / «Check up the engine» (warns about infringements of serviceability of functioning of system of giving of fuel MPFI)
10 — the Control lamp of a charge
11 — Control lamp ABS
12 — the Control lamp of pressure of oil (it is activated at pressure drop of oil below a mark 14.7 кПа)
13 — Control lamp VDC
14 — the Control lamp «POWER» (blinks at revealing of infringements of serviceability of functioning АТ)
15 — Indicator FWD (it is activated at installation in switch FWD of a safety lock of imitation of a front-wheel mode)
16 — the Indicator of mode LO (it is activated at inclusion of a mode of lowering transfer on models with an additional two-level reducer of a box)

17 — Indicator VDC OFF (it is activated switching-off of system VDC or TCS)
18 — the Indicator of activation VDC (it is activated also at operation TCS)
19 — Indicators of indexes of turns
20 — the Indicator of leaky closing of doors
21 — the Indicator «Fasten belts» (6 seconds after ignition key turn in position ON are disconnected later)
22 — the Indicator of inclusion of a headlight of headlights
23 — Indicator HOLD (it is activated while translating АТ in a mode «HOLD»)
24 — Indicators of position of the lever of selector AT (functions in any positions of the ignition key, except АСС and LOCK)
25 — the Indicator of activation of system иммобилизации the engine
26 — the Indicator of the minimum stock of fuel (works at reduction of a stock of fuel approximately to 10), - on models with a luminescent combination in addition starts to blink also a shone rim of a measuring instrument of a stock of fuel
27 — the Indicator of activation of external lighting devices
28 — Hours
29 — the Odometr/counter of kilometric area of current trips/displays of a conclusion of indications of the gauge of temperature of external air
30 — the Handle of installation of hours
31 — the Button of switching/dump of indications of counters of kilometric area of current trips


Principle of the organisation of a drive of an electric speedometer

And — Models with РКПП
In — Models with АТ
1 — the drive Mechanism стрелочного the index
2 — the Speedometer
3 — the Chain of a drive of a speedometer

4 — the Combination of devices
5 — the Forward wheel
6 — VSS
7 — TCM


Design VSS

1 — the Top casing
2 — the Sealing ring
3 — the Magnetic ring
4 — Privodnoj a key

5 — the Bottom casing
6 — the Conducted shaft of the gauge
7 — the Rivet
8 — the Hall Gauge


Principle of functioning VSS

1 — Turns of a target gear wheel of transmission
2 — VSS
3 — Small speed
4 — High speed
5 — the Signal (4 impulses on a turn)

6 — the Combination of devices
7 — the Chain of a drive of a speedometer
8 — the Chain of a drive of odometra/counters of kilometric area
9 — ECM
10 — the management Module темпостата


Design of gauges of a stock of fuel

1 — the Main gauge
2 — the Auxiliary gauge

3 — Floats


Principle of functioning of a measuring instrument of a stock of fuel

1 — the Combination of devices
2 — the ignition Switch
3 — the Control lamp of the minimum stock of fuel
4 — the Driver
5 — the Interface

6 — User CPU
7 — the Measuring instrument
8 — the Auxiliary gauge of a stock of fuel
9 — the Main gauge of a stock of fuel


The general information

The structure of a combination of devices includes a speedometer, a tachometre, a measuring instrument of a stock of fuel, a measuring instrument of temperature of the engine, and also various control lamps and light indicators.

Principle of functioning of components

Control lamps and light indicators

The scheme of functioning of control lamps and light is presented in table 26.


*1: At inclusion of ignition the lamp is activated approximately for 6 seconds, then should go out
*2: At inclusion of ignition the lamp is activated approximately for 2 seconds, then should go out
*3: the Lamp is activated at raising of a lay brake
*4: the Indicator is activated at decrease in a stock of fuel to a mark of 10 l
*5: the Indicator is activated at mode inclusion «HOLD» АТ
*6: At inclusion of ignition the indicator is activated approximately for 6 seconds, then should go out
*7: the Indicator is activated at mode inclusion «POWER» АТ
*8: the Indicator is activated at extraction of a key from the ignition lock, and also later 60 seconds after поворачивания a key in position LOCK or АСС
*9: At inclusion of ignition the indicator is activated approximately for 2 seconds, then should go out
*10: the Indicator is activated at turn of the switch of management by functioning of external lighting devices in the first position
*11: At inclusion of ignition the indicator is activated approximately for 4 seconds, then should go out

Speedometer

 Cкорость 60 km/h correspond to development of 2548 alarm impulses in a minute.


On all cars considered in the present Management the speedometer of electric type using as the entering information signals, speeds developed by the gauge (VSS) (4 impulses on one turn of a conducted shaft of the gauge), - models with РКПП, or the module of management of transmission (TCM), - models with АТ is used. The scheme of the organisation of a drive of a speedometer is presented on an illustration.

 Signals of speed from VSS/TCM stand out also on engine management modules (ECM) and темпостата.


Refusal of application rotating drive a cable as on speedometers with a mechanical drive, allows to lower level of the noise background published by transmission and also to avoid such unpleasant moments, as a detachment of tips of a cable and vibration стрелочного the index.

The gauge of speed (VSS)

The inductive gauge of the Hall is put in a basis of design VSS. The gauge is established on картере transmissions and traces frequency of rotation of a target shaft of last, generating 4 alarm impulses on one turn of a shaft роторной gear wheels.

Rotation drive a key forces to rotate a magnetic ring that leads to change of a magnetic field of the gauge of the Hall which starts to develop corresponding alarm impulses (on 4 on one turn of a key), given out on a combination of devices, ECM and the management module темпостата.

Tachometre

The chain of a drive of a tachometre is connected to a contour of monitoring of turns of engine ECM. Change of frequency of rotation of a cranked shaft of the engine leads to directly proportional change to pressure in a contour, to in turn leading change of magnetic force in a winding of a drive of a tachometre.

Measuring instrument of temperature of a cooling liquid

The temperature measuring instrument concerns type of measuring instruments with crossing windings.

The information on temperature of a cooling liquid arrives from the thermosensitive element established on the engine which resistance changes according to changes of temperature of the under control environment. Current strength change involves measurement of magnetic force of a winding and forces to move on the demanded size стрелочный the measuring instrument index.

At normal working temperature of the engine (70 ÷ 100 °С) the arrow of a measuring instrument should be approximately in an average part of a working range of the scale put on a dial.

Measuring instrument of a stock of fuel and the indicator of the minimum stock

Gauges of a stock of fuel are located in the main and auxiliary chambers of a fuel tank and have поплавковую a design.

Resistance of a potentiometer of the gauge changes proportionally to change of position of a float (see table 27).

 The measuring instrument of the expense of fuel continues to give out indications even at the ignition key turned in position LOCK.


Tab. 27 the Scheme of gauges of a stock of fuel

Necessity for use of two gauges speaks design features of a structure of the fuel tank divided into two sections (main and auxiliary) in connection with necessity of maintenance of a place under a lining карданного a shaft.

The processor of a combination of devices continuously traces the resistive signal developed by the gauge of a stock of fuel and at lowering of resistance to a critical mark (approximately 7.6 Ohm) and its keeping at the given level during an order of 10 minutes/on an extent of run of 10 km provides activation of the indicator built in in an instrument guard.

The display of a conclusion of indications of the gauge of temperature of external air

Site of the gauge of temperature of external air and ЖК the display of a conclusion of its indications

1 — the temperature Gauge
2 — the Liquid crystal display

3 — the Tachometer


Principle of functioning of the gauge of temperature of external air

1 — the temperature Gauge
2 — Termistor
3 — the Liquid crystal display
4 — User CPU

5 — the Combination of devices
6 — VSS (models with РКПП)
7 — TCM (models with АТ)

Equipped built in термистором the gauge of temperature of external air gives out the information on user CPU which (at the included ignition) compares the introduction data to last registered indication of the gauge kept in its memory at deenergizing of ignition (if that was made no more 60 minutes ago) and displays the tachometre of the liquid crystal display built in assemblage minimum of two indications. If last deenergizing of ignition was made more 60 minutes ago, CPU displays the display the indication registered by the gauge.

At slow speed of movement of the car the stream of heat developed by the power unit influences indications of the gauge of temperature, however CPU at reception from VSS/TCM a signal corresponding to speed of movement below 10 km/h provides a conclusion to the screen of the display of last value kept in its memory when speed of movement of the car made more than 10 km/h.

On the main page