> Diagnostics of system of heating and ventilation. Daewoo Matiz (since 1997 of release)
Daewoo Matiz since 1997 of release
1. The general data
2. Maintenance service
3. The engine
4. Transmission
5. A running gear
6. A steering
7. Brake system
8. Systems of heating, ventilation and air-conditioning
8.1. Heating and ventilation system
8.1.1. The design description
8.1.2. Diagnostics of system of heating and ventilation
8.1.3. Removal and installation of knots of system of heating and ventilation
8.2. A central air
9. A body electric equipment
10. A body
11. Schemes электроборудования
 







8-1-2-diagnostika-sistemy-otopleniya-i-ventilyacii.html

8.1.2. Diagnostics of system of heating and ventilation

Diagnostics of insufficient heating or glass thawing is resulted in tab. 8.3.

Table 8.3     Diagnostics of insufficient heating or glass thawing
Step
Performed works
Yes
No
1
Check up and confirm the complaint of the owner of the car.
Whether the complaint of the owner of the car is confirmed?
The step 2 see
The system is perfectly in order
2
Check up level of a cooling liquid.
Whether there is a level of a cooling liquid on the necessary mark?
The step 4 see
The step 3 see
3
If necessary add cooling liquid.
Repair is finished?
The system is perfectly in order
The step 4 see
4
Check up a tension of a gear belt and absence of its damages.
The gear belt is perfectly in order?
The step 6 see
The step 5 see
5
Eliminate the malfunctions connected with a gear belt.
Repair is finished?
The system is perfectly in order
The step 6 see
6
Check up hoses of a cooling liquid on presence of leak or bends.
Hoses of a cooling liquid are perfectly in order?
The step 8 see
The step 7 see
7
Eliminate the malfunctions connected with hoses of the cooling liquid.
Repair is finished?
The system is perfectly in order
The step 8 see
8
Check up a cover of a broad tank. The broad tank is perfectly in order?
The step 10 see
The step 9 see
9
If necessary repair or replace a broad tank.
Repair is finished?
The system is perfectly in order
The step 10 see
10
1. Switch off air conditioner
2. Establish the switch of operating modes of the fan in position 4.
3. Establish a regulator of temperature of air in a mode «warm air» (a red zone).
4. Include ignition.
5. Check up a stream of air from дефлекторов.
6. Whether the strong stream of air from дефлекторов moves?
The step 11 see
The step 25 see
11
Check up on change of a stream of air at change of frequency of rotation of the fan. Whether frequency of rotation of the fan increases at turn of the switch of operating modes of the fan in positions from 1 to 4?
The step 12 see
«The electric part of the fan» see
12
1. Switch off air conditioner.
2. Establish a regulator of temperature of air in a mode «warm air».
3. Establish the switch of operating modes of the fan in position 4.
4. When the engine will enough be cooled, uncover a broad tank.
5. Start up the engine and allow to it to work on frequency of idling.
6. Observe of a stream of a cooling liquid.
Whether we see a stream of a cooling liquid?
The step 14 see
The step 13 see
13
1. Check up on:
Narrowing in cooling system;
Malfunction крыльчатки the water pump;
Malfunction of the thermostat;
2. If necessary repair cooling system.
3. Repair is finished?
The system is perfectly in order
-
14
1. Check up the car on absence of leak of cold air:
In the control panel;
In heater casings;
In ventilation system;
2. Check up under a seat presence of a barrier to passage of a stream of air.
3. Eliminate any malfunctions connected with leak or presence of barriers.
Repair is finished?
The system is perfectly in order
-
15
1. Switch off ignition.
2. Translate a regulator of temperature of air in a mode «cold air», then quickly in a mode «warm air».
3. Listen to the sounds published заслонкой before moving of a regulator on the most extreme position.
Whether has slammed заслонка?
The step 17 see
The step 16 see
16
1. Check up:
Range of moving temperature заслонки;
Cable заслонки;
Side scene заслонки.
2. Check up accuracy of adjustment of temperature a regulator of temperature of air in a mode «warm air».
3. Check up accuracy of adjustment of temperature of air a regulator of temperature of air in a mode «cold air».
4. Repair is finished?
The system is perfectly in order
-
17
1. Establish заслонку temperature adjustments in the right position («warm air»).
2. Start up the engine.
3. Check up temperature of entrance and target hoses of a heater (bringing a hand).
Whether whether a warm entrance hose and a warm target hose of a heater?
The step 18 see
The step 21 see
18
Check up the thermostat.
Whether the appropriate image establishes the thermostat?
The step 19 see
The step 20 see
19
Replace the thermostat.
Repair is finished?
The system is perfectly in order

20
Repeatedly establish the thermostat.
Repair is finished?
The system is perfectly in order

21
Check up heater hoses on correctness of installation.
Whether heater hoses in the opposite direction are established?
The step 22 see
The step 23 see
22
Reinstall heater hoses properly.
Repair is finished?
The system is perfectly in order
-
23
1. Spend clearing of the core of a radiator of a heater by a purge by air from an underside.
2. Merge cooling liquid from system.
3. Replace cooling liquid.
The system is perfectly in order
The step 24 see

4. Warm up the engine to a normal temperature operating mode.
5. Bring a hand and check up entrance and target hoses of a heater.
Whether whether a hot entrance hose and a warm target hose?


24
Replace the core of a radiator of a heater.
Repair is finished?
The system is perfectly in order

25
Check up air stream in a crack for обдува a windscreen or дефлекторов.
Whether the strong stream of air leaving cracks for обдува of a windscreen or дефлекторов?
The step 26 see
The step 27 see
26
Adjust заслонку ventilation of the bottom zone and заслонку дефлекторов for achievement of a necessary stream of air.
Repair is finished?
The system is perfectly in order

27
Translate a regulator of distribution of air in a mode обдува a windscreen.
Whether a normal stream of air from cracks обдува a windscreen?
The step 28 see
The step 29 see
28
1. Remove a target pipe of a heater and check up on absence of a contamination.
2. Clear a target pipe of a heater.
Repair is finished?
The system is perfectly in order
-
29
Check up change of a stream of air at various frequencies of rotation of the fan.
The step 30 see
«The electric part of the fan» see

Whether frequency of rotation of the fan increases at switching of operating modes of the fan from 1 to 4?


30
Check up absence of barriers in system of an input of the fan.
Whether there is any hindrance?
The step 31 see
The step 32 see
31
Remove all barriers in system of an input of the fan.
Repair is finished?
The system is perfectly in order

32
1. Establish the switch of operating modes of the fan in position 4.
2. Rotate a regulator of temperature of air from extreme position «warm air» before extreme position «cold air».
3. Listen to a sound of change of a stream of air.
Whether air stream changes?
The step 33 see
The step 34 see
33
1. Check up:
Moving range заслонки;
Cables заслонки;
Side scene заслонки;
Regulator.
2. Check up accuracy of management in temperature on the most extreme position «warm air».
Repair is finished?
The system is perfectly in order
-
34
1. Check up system on absence of barriers between the fan and exit system.
2. Remove barriers.
Repair is finished?
The system is perfectly in order
-

Diagnostics of an electric part of the fan of a heater is resulted in tab. 8.4.

Table 8.4       Diagnostics of an electric part of the fan of a heater
Step
Performed works
Yes
No
1
Check up the fan.
Whether the fan on all speeds works?
The system is perfectly in order
The step 2 see
2
1. Disconnect a socket of a supply of electricity to the fan engine under the panel of devices from outside the forward passenger.
2. Using an ohmmeter, check up resistance between the plug of 1 socket of the engine of the fan and each step to each position of the switch of the fan (specifications see).
Whether shows an ohmmeter the established size in each position?
The step 3 see
The step 4 see
3
Replace the fan engine.
Repair is finished?
The system is perfectly in order
The step 6 see
4
Check up safety lock Ef6.
Whether has fused a safety lock
The step 5 see
The step 6 see
5
1. Include ignition (without starting up the engine).
2. The device for short circuit detection check up an electric chain:
From the switch of the fan to the fan resistor;
From the resistor of the fan to the fan engine.
The system is perfectly in order
-

3. Repair short circuit.
4. Replace fused safety lock.
Repair is finished?


6
1. Include ignition (without starting up the engine).
2. Disconnect a socket of giving of energy from the fan engine.
The step 8 see
The step 7 see

3. Using a control bulb, find possible short circuit:
From the plug 2 sockets of the engine to the plug 3 sockets of the switch of the engine;
From the plug 2 sockets of the engine to the plug 4 sockets of the switch of the engine;
From the plug 2 sockets of the engine to the plug 5 sockets of the switch of the engine;
From the plug 2 sockets of the engine to the plug 6 sockets of the switch of the engine.
Whether the control bulb burns?


7
Replace the fan resistor.
Repair is finished?
The system is perfectly in order
The step 9 see
8
Replace the switch of the engine of the fan.
Repair is finished?
The system is perfectly in order
-
9
1. Check up grounding of the engine of the fan.
2. Repair grounding of the engine of the fan.
Repair is finished?
The system is perfectly in order
-

Check of insufficient giving of air or absence of modes of switching spend on the car with the heated-up and working engine.
Check of insufficient giving of air or absence of modes of switching is resulted in tab. 8.5.

Table 8.5    Check of insufficient giving of air or absence of modes of switching
Management installation
Results
Mode
Management in temperature
The fan switch
Frequency of rotation of the fan
Air stream
To feet
To a windscreen
To lateral glasses
The fan
The cold
Off
There is no air stream
There is no air stream
There is no air stream
There is no air stream
There is no air stream
The fan
The cold
4
Flowing round stream of air
There is no air stream
There is no air stream
There is no air stream
There is no air stream
Area of feet
From cold to the hot
4
There is no air stream
Stream of air from cold to the hot
Low flow of air from cold to the hot
Low flow of air from cold to the hot
Low flow of air from cold to the hot
To a windscreen
From cold to the hot
4
There is no air stream
Low flow of air from cold to the hot
Stream of air from cold to the hot
Stream of air from cold to the hot
Low flow of air from cold to the hot

If check of insufficient giving of air or absence of modes of switching has not given positive results, execute the following diagnostics.
Diagnostics of insufficient giving of air or absence of modes of switching is resulted in tab. 8.6.

Table 8.6      Diagnostics of insufficient giving of air or absence of modes of switching
Step
Performed works
Yes
No
1
Examine faulty заслонку on an appropriate attachment of a cable.
Check up cable fastening to заслонке.
Check up that the cable is fixed properly.
Whether the cable properly is fixed?
The step 3 see
The step 2 see
2
If necessary repair.
Repair is finished?
The system is perfectly in order
-
3
1. Disconnect a cable from заслонки.
2. Check up a moving range заслонки and the effort necessary for its moving.
Whether freely moves заслонка in all range of moving and whether it is closed on both ends of a range?
The step 4 see
The step 2 see
4
Check up a moving range бауденовского a cable, turning the rotary handle.
The moving range is perfectly in order?
The step 5 see
The step 6 see
5
1. Reinstall a cable.
2. Recheck system.
Whether the system properly works?
The system is perfectly in order
The step 8 see
6
1. Check up cable fastening on the control panel.
2. Check up on absence of breakage in management.
Whether there is a malfunction in cable or regulator fastening?
The step 7 see
The step 8 see
7
If necessary repair cable or regulator fastening.
Repair is finished?
The system is perfectly in order
The step 10 see
8
1. Recheck system, using the questionnaire.
Repair is finished?
The system is perfectly in order
The step 9 see
9
Check up a stream of air from cracks обдува дефлекторов a windscreen. Whether a strong stream of air from cracks обдува a windscreen or дефлекторов?
The step 10 see
The step 11 see
10
Adjust заслонку a heater of ventilation of the bottom zone and заслонку дефлекторов for achievement of a necessary stream of air.
Repair is finished?
The system is perfectly in order
-
11
Switch a regulator of distribution of air in a mode обдува a windscreen.
The stream of air from cracks for обдува a windscreen corresponds to norm?
The step 12 see
The step 13 see
12
1. Remove a target hose of a heater.
2. Check up a target hose of a heater on absence of hindrances.
3. Remove all hindrances in a target hose of a heater.
Repair is finished?
The system is perfectly in order
-
13
Check up change of force of a stream of air on various frequencies of rotation of the fan.
Whether air stream amplifies at switching of the switch of operating modes of the fan from position 1 to 4?
The step 15 see
«The electric part of the fan» see
14
1. Check up on absence of barriers in system on a fan admission.
2. Remove all barriers on an admission.
Repair is finished?
The system is perfectly in order
The step 15 see
15
1. Establish the switch of operating modes of the fan in position 4.
2. Rotate a regulator of temperature of air from extreme position «warm air» before extreme position «cold air».
3. Listen to a sound of change of a stream.
Whether air stream has changed?
The step 16 see
The step 17 see
16
1. Check up adjustment заслонки managements in temperature, cables, a side scene and a regulator.
2. Turn a regulator of temperature of air before extreme position «warm air».
Repair is finished?
The system is perfectly in order
-
17
1. Check up system on absence of barriers between the fan and exit system.
2. Remove all barriers between the fan and exit system.
Repair is finished?
The system is perfectly in order
-

Diagnostics of excessive heating is resulted in tab. 8.7.

Table 8.7      Diagnostics of excessive heating
Step
Performed works
Yes
No
1
Establish a regulator of distribution of a stream of air in a mode обдува feet (ventilation of the bottom zone).
Whether excessive having warmed at a regulator arrangement in a mode of heating of feet?
The step 2 see
The step 8 see
2
Check up having blown in an anti-icer windscreen.
Whether there is a malfunction in обдуве a windscreen?
The step 3 see
The step 4 see
3
1. Check up a moving range заслонки, in a regulator and connection on heating and having blown in a windscreen.
2. If necessary adjust or make repair.
Repair is finished?
The system is perfectly in order

4
1. On the cars equipped with the conditioner of air, translate the conditioner switch in position ОFF (switch off the conditioner).
The step 7 see
The step 8 see

2. On all cars translate the switch of operating modes of the fan in position 4.
3. Establish a regulator of temperature of air in extreme position «warm air».
4. Include ignition (without starting up the engine).
5. Check up a stream of air from exhaust outlets for обдува feet.
6. Check up fastening of exhaust outlets for обдува feet.
Whether a strong stream of air?


5
Check up change of force of a stream of air at various frequencies of rotation of the fan.
Whether force of a stream of air changes at change of frequency of rotation of the fan?
The system is perfectly in order
«The electric part of the fan» see
6
1. Check up a range of moving temperature заслонки, a cable and a side scene.
2. Adjust before extreme position «cold air».
3. Check up position «warm air».
Repair is finished?
The system is perfectly in order
-
7
Adjust or make repair заслонки обдува a windscreen and дефлекторов in a mode обдува feet.
Repair is finished?
The system is perfectly in order
-
8
Establish a regulator of distribution of air in position дефлекторов (ventilation of the top zone).
Whether there is a malfunction at обдуве from дефлекторов?
The step 9 see
The step 14 see
9
1. Check up a system casing on absence of leaks.
2. Check up fastening of apertures for обдува feet (ventilation of the bottom zone).
Whether any malfunction is found?
The step 10 see
The step 11 see
10
If necessary repair a casing of system or fastening of apertures for обдува feet.
Repair is finished?
The system is perfectly in order
The step 11 see
11
1. Switch off ignition.
2. Turn a regulator of temperature of air in extreme position «warm air», then at once in the most extreme position «cold air».
Whether you hear moving sounds заслонки before achievement of a regulator of extreme position?
The step 12 see
The step 13 see
12
Adjust заслонки дефлекторов.
Repair is finished?
The system is perfectly in order
-
13
1. Check up a range of moving temperature заслонки, cables and a side scene.
2. Be convinced that temperature заслонка «warm air» moves towards a mode.
3. Check up temperature заслонку in extreme position «warm air».
Whether the range of moving temperature заслонки is serviceable?
The system is perfectly in order
-
14
1. Check up on absence of leak of air from a motor compartment to an entrance aperture of the fan.
2. If necessary repair.
Repair is finished?
The system is perfectly in order
-

Diagnostics of bodies of board is resulted in tab. 8.8.

Table 8.8     Diagnostics of bodies of board
Step
Performed works
Yes
No
1
Whether the excessive effort for moving of controls is necessary?
The step 4 see
The step 2 see
2
Whether easily moves заслонка at installation of high frequency of rotation of the fan?
The step 3 see
The system is perfectly in order
3
1. Replace бауденовский a cable with a cable with большей in the length.
2. Add a loop in a direction of moving of a cable for increase in the effort necessary for moving of management.
3. Check up on absence of obstacles in a direction of moving of a cable in the panel of tools a new cable.
Whether management properly works?
The system is perfectly in order
The step 4 see
4
Check up cables on inadequate conducting, a bend, absence of obstacles to moving of cables or other obstacles to panels of tools.
Whether any malfunction connected with a cable is found?
The step 5 see
The step 6 see
5
If necessary repair. Repair is finished?
The system is perfectly in order
-
6
1. Remove a cable from that заслонки which is limited by a cable.
2. Manually check up opening and closing заслонки.
3. Check up restriction заслонки.
Whether there is a malfunction any заслонки?
The step 7 see
The step 10 see
7
Check up a sealant заслонки on wrong installation.
The sealant заслонки is perfectly in order?
The step 8 see
The step 9 see
8
1. Check up faulty заслонку (which movement is limited) on соосность, an axis bend, either a bend заслонки, or framework distortion.
2. If necessary repair.
Repair is finished?
The system is perfectly in order
-
9
If necessary repair a sealant заслонки.
Repair is finished?
The system is perfectly in order
-
10
Check up regulator restriction. Whether the regulator is limited?
The step 12 see
The step 11 see
11
1. Reinstall a cable on заслонке.
2. Check up a backlash between a cable and details of the panel of devices.
3. Eliminate all obstacles interfering a course заслонки.
Repair is finished?
The system is perfectly in order
-
12
1. Remove a cable from management.
2. Check up a regulator on restriction.
Whether there is a restriction in management?
The step 13 see
The step 14 see
13
Replace a regulator.
Repair is finished?
The system is perfectly in order
-
14
Replace a cable.
Repair is finished?
The system is perfectly in order
-

Noise diagnostics in the fan is resulted in tab. 8.9.

Table 8.9      Diagnostics of noise of the fan
Step
Performed works
Yes
No
1
1. Sit down in the car.
2. Close windows and doors.
3. Include ignition (without starting up the engine).
4. Establish the switch of operating modes of the fan in position 4.
5. Establish a regulator of temperature of air in extreme position «warm air».
6. Switch fan operating modes, modes and temperature installations for noise detection.
Whether fan noise is constant at its high frequencies of rotation or concrete modes, but is absent on low frequencies of rotation or at other modes?
The step 10 see
The step 2 see
2
Check up on vibration of the engine of the fan and крыльчатки in gathering on each frequency of rotation, touching with a hand the case of the engine of the fan.
Whether excessive vibration is found out?
The step 5 see
The step 3 see
3
1. Remove the engine and крыльчатку the fan in gathering.
2. Check up on absence of an alien material on an input of an aperture of the fan.
Whether any alien material on an entrance aperture of the fan is found out?
The step 4 see
The step 5 see
4
Remove an alien material.
Repair is finished?
The system is perfectly in order
The step 5 see
5
1. Examine крыльчатку the fan on absence of points of deterioration, a break of blades, nave breakage, loss of a lock nut or bad соосность.
2. Examine the fan case on absence of points of deterioration.
Whether any malfunction is found?
The step 6 see
The step 8 see
6
Grease the engine.
Repair is finished?
The system is perfectly in order
The step 7 see
7
Replace the engine and крыльчатку in gathering.
Repair is finished?
The system is perfectly in order
The step 8 see
8
If noise clicking / buzzing, replace the engine.
Repair is finished?
The system is perfectly in order
The step 9 see
9
Repeatedly establish the original engine.
Malfunction still takes place?
The step 10 see
The system is perfectly in order
10
1. Establish the switch of operating modes of the fan in position 4.
2. Check up a regulator of temperature of air in modes «warm air» and «cold air» at modes обдува a windscreen, обдува feet and an air outlet from дефлекторов.
Whether there is a noise only in a mode обдува a windscreen?
The step 11 see
The step 12 see
11
1. Check up pipelines on absence of barriers or an alien material.
2. Eliminate a barrier or remove an alien material.
3. Check up уплотнители заслонки обдува feet (ventilation of the bottom zone) / обдува a windscreen
4. If necessary repair or replace them.
Repair is finished?
The system is perfectly in order

12
Whether there is a noise only in a mode обдува feet?
The step 10 see
The step 13 see
13
Whether there is a noise only in a mode of an air outlet from apertures?
The step 14 see
The step 15 see
14
1. Check up pipelines on absence of hindrances or an alien material.
2. Eliminate a hindrance or remove an alien material.
3. Check up уплотнители заслонки дефлекторов.
4. If necessary repair or replace them.
Repair is finished?
The system is perfectly in order
-
15
Whether there is a noise in all modes, but not in all positions of a regulator of temperature of air?
The step 16 see
The step 17 see
16
1. Check up epiploons temperature заслонки.
2. If necessary repair or replace them.
Repair is finished?
The system is perfectly in order
-
17
1. Check up system on absence of barriers or an alien material between крыльчаткой and temperature заслонкой.
2. If necessary repair or replace them.
Repair is finished?
The system is perfectly in order
The step 1 see


«To return back
8.1.1. The design description
On the following page»
8.1.3. Removal and installation of knots of system of heating and ventilation