Dacia Solenza (engine E7J). Service manual — part 118
61
HEATING
61 - 10
Motor fan control resistance
DISMOUNTING (Climate control uni
t being already dismounted)
Dismount the resistance attachment screw (1).
Extract the resistance (2).
Disconnect the connector (3).
REMOUNTING
Perform the dismounting operations in the reverse order.
61
HEATING
61 - 11
CLIMATE CONTROL BLOWER NOT WORKING
Replace fuse F 17.
Check the fuse F 17 from cockpit. Is it ok?
Replace ventila-
tion-climate control
air distributor
Check the continuity of the speeds switch of the climate control
panel for:
Step 1 – between pins A4 or A5
pin B5;
Step 2 – between pins A4 or A5
pin B4;
Step 3 – between pins A4 or A5
pin B1;
Step 4 – between pins A4 or A5
pins A1 or A2.
Are they corresponding ?
Replace the front
wiring.
Is there 12 V between vehicle mass and pins A4 or A5 of the
connector (6) of the climate control panel ?
Check the continuity and resistance against vehicle’s mass
between:
- pin B5 climate panel
pin 3 blower connector
- pin B4 climate panel
pin 4 blower connector
- pin B1 climate panel
pin 5 blower connector
- pin A1 climate panel
pin 12 blower connector
- pin A2 climate panel
pin 13 blower connector
- pin 15 blower connector
vehicle mass
- pin 14 blower connector
vehicle mass
Are they corresponding ?
Replace the cold air
blowing device.
No
No
No
No
Yes
Diagnose
Yes
Yes
Yes
61
HEATING
61 - 12
CLIMATE CONTROL PANEL LIGHTING NOT WORKING
Replace fuse F14.
Replace front
wiring.
Check in cockpit fuse 14. Is it OK ?
Check the continuity and resistance against vehicle between:
- cockpit fuse F 14 exit
pin 7 climate control panel
- pin 9 climate control panel
vehicle mass.
Are they corresponding ?
Replace the ventilation-climate
control air distributor.
No
No
Yes
Yes
Diagnose
62
AIR CONDITIONING
62 - 1
General
The purpose of the air conditioning unit is to produce a decrease of the temperature in the
passengers compartment and to obtain a lower value temperature compared to the external
environment one, reducing in the same time the air moisture.
MAINTENANCE
For a vehicle equipped with air conditioning, during the year it is recommended:
- the checking of the refrigerant fluid filling;
- the cleaning and the air-blowing of the condenser and the cooling radiator fins;
- the checking of the condensation removal pipe on order not to be clogged.
For important leakage repair, for any components replacement (compressor, condenser, etc)
and if moisture was noticed in the air conditioning circuit, replace the dryer filter tank and drain
the unit; the same is valid also in case the conditioning circuit remains open without protection
covers more than 10 minutes.
IMPORTANT !
During winter, it is recommended the frequent start of the system, in order to prolong
the lifetime of the compressor and of the whole system.
The vehicle equipped with an air conditioning system shall be not exposed for more
than 20 minutes in painting cabin where there are temperatures higher than 80 °C.
It is obligatory the use of the refrigerating agent and compressor oil type prescribed
by the manufacturer.
It is absolutely forbidden to perform welding works on the elements of the air condition
circuits.
The filling of the air conditioning system can be performed only by means of charging
units and observing the instructions of the manufacturer. For mechanical or body
operations it is recommended piping protection in order to avoid their disconnection
by accident.
Avoid the drip of the oil compressor on the painted vehicle carriage body.
For component replacement implying the circuit draining, it is absolutely necessary
the use of new parts and of a special oil for compressor.
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