Renault Scenic Air Conditioning Service Repair Manual

"The repair methods given by the manufacturer in this document are based on the technical

specifications current when it was prepared.

The methods may be modified as a result of changes introduced by the manufacturer in the

production of the various component units and accessories from which his vehicles are

constructed."

All copyrights reserved by Renault.

The reproduction or translation in part of whole of the present document, as well as the use

of the spare parts reference numbering system, are prohibited without the prior written

consent of Renault.

77 11 322 082 JUNE 2003 Edition Anglaise

X84, and J84

6

Air conditioning

61A

HEATING

62A

AIR CONDITIONING

62B

CLIMATE CONTROL

62C

MANUAL AIR CONDITIONING

Scénic II - Section 6

Contents

Page

Scénic II - Section 6ContentsPage

61A HEATING

General information 61A-1

Parts description 61A-2

Front air distribution duct:

Removal - Reﬁtting 61A-4

Central air distribution duct:

Removal - Reﬁtting 61A-6

Rear air distribution duct:

Removal - Reﬁtting 61A-7

Control panel: Removal -

Reﬁtting 61A-10

Control panel: Connection 61A-14

Recirculation control cable:

Removal - Reﬁtting 61A-15

Air distribution cable:

Removal - Reﬁtting 61A-19

Air mixing cable: Removal -

Reﬁtting 61A-23

Air distribution unit: Removal

- Reﬁtting 61A-24

Heater matrix: Removal -

Reﬁtting 61A-25

Fan assembly: Removal -

Reﬁtting 61A-29

Passenger compartment fan

assembly control unit:

Removal - Reﬁtting 61A-30

Heating resistor unit:

Removal - Reﬁtting 61A-31

Heating resistor relays:

Removal - Reﬁtting 61A-35

62A AIR CONDITIONING

General information 62A-1

Maintenance 62A-2

Parts description 62A-4

Consumables 62A-6

Safety advice 62A-7

Air conditioning: Check 62A-8

Coolant circuit check 62A-10

Cabin ﬁlter: Removal -

Reﬁtting 62A-12

Condenser: Removal -

Reﬁtting 62A-13

Dehydration canister:

Removal - Reﬁtting 62A-15

Compressor: Removal -

Reﬁtting 62A-16

Calibrated opening: Removal

- Reﬁtting 62A-18

Connection bracket 62A-19

Evaporator: Removal -

Reﬁtting 62A-22

Condenser - compressor

connecting pipe: Removal -

Reﬁtting 62A-24

Condenser - evaporator

connecting pipe: Removal -

Reﬁtting 62A-25

Dehydration canister -

evaporator connecting pipe:

Removal - Reﬁtting 62A-28

Contents

Dehydration canister -

compressor connecting pipe:

Removal - Reﬁtting 62A-30

Pressure sensor: Removal -

Reﬁtting 62A-32

62B CLIMATE CONTROL

Operating principle 62B-1

Parts description 62B-3

Control panel: Removal -

Reﬁtting 62B-4

Control panel: Connection 62B-8

Power module: Removal -

Reﬁtting 62B-10

Recirculation motor:

Removal - Reﬁtting 62B-12

Mixer motor: Removal -

Reﬁtting 62B-13

Distribution motor: Removal -

Reﬁtting 62B-15

Passenger compartment

temperature sensor:

Removal - Reﬁtting 62B-17

External temperature sensor:

Removal - Reﬁtting 62B-19

Insolation sensor: Removal -

Reﬁtting 62B-21

62C MANUAL AIR CONDITIONING

Parts description 62C-1

Control panel: Removal -

Reﬁtting 62C-2

Control panel: Connection 62C-6

62A AIR CONDITIONING

61A-1

HEATING

General information

61A

Rear seat footwell heater vent

104758

1 12

33

4 55 2

(1) Side vents

(2) Side window demisting vents

(3) Windscreen demister outlets

(4) Central air vents

(5) Footwell heater outlet

104148

61A-2

HEATING

Parts description

61A

Air distribution ducts

Heating unit

102222

1

2

3

4

5

6

(1) Right rear footwell air duct

(2) Right intermediate duct

(3) Right front footwell air duct

(4) Left front footwell air duct

(5) Left intermediate duct

(6) Left rear footwell air duct

107379

7

8

9

10

11

12

13

(7) Passenger compartment ﬁlter

(8) Heating resistor unit

(9) Heater radiator

(10) Heater radiator pipe

(11) Power module

61A-3

HEATING

Parts description

61A

(12) Distribution unit

(13) Engine cooling fan

61A-4

HEATING

Front air distribution duct: Removal - Refitting

DG

61A

REMOVAL

Remove the lower trim (see 57A Interior equip-

ment ).

Unclip at (1) .

Disconnect the air duct at (2) then (3) .

Remove the glovebox (see 57A Interior equipment

).

Unclip at (4) .

Disconnect the air duct at (5) then (6) .

REFITTING

Proceed in the reverse order to removal.

104102

104103

3

2

1

5

4

6

61A-5

HEATING

Front air distribution duct: Removal - Refitting

DD

61A

REMOVAL

Remove the lower trim (see 57A Interior equip-

ment ).

Unclip at (1) .

Disconnect the air duct at (2) then (3) .

Remove the glovebox (see 57A Interior equipment

).

Unclip at (4) .

Disconnect the air duct at (5) then (6) .

REFITTING

Proceed in the reverse order to removal.

104394

104393

3

2

1

6

54

61A-6

HEATING

Central air distribution duct: Removal - Refitting

61A

Operations are symmetrical for both sides of the vehi-

cle.

REMOVAL

Disconnect the battery, starting with the negative

terminal.

Remove the front seat ( (see 75A, Front seat fra-

mes and runners) ).

Remove:

-the front air distribution duct (see 61A, Heating,

Front air distribution duct: Removal - Refitting,

page 61A-4) ,

-the carpet (partially).

Remove the protector (1) .

Extract the intermediate air distribution duct (2) from

the rear air distribution duct (3) by tilting it towards

the interior.

REFITTING

Proceed in the reverse order to removal.

Equipment required

diagnostic tool

IMPORTANT

Before carrying out any wok on a safety system

component, lock the air bag computer using the

(diagnostic tool) (see 88C, Air bag and preten-

sioner, Air bag computer locking procedure ).

When this function is activated, all the trigger

lines are inhibited and the air bag warning light

on the instrument panel lights up continuously

(ignition on).

104219

1

104201

WARNING

Connect the battery, starting with the positive ter-

minal; carry out the necessary programming (see

80A Battery: removal - reﬁtting ).

2

3

61A-7

HEATING

Rear air distribution duct: Removal - Refitting

61A

REMOVAL

Disconnect the battery, starting with the negative

terminal.

Remove:

-the driver and front passenger seats ( (see 75A,

Front seat frames and runners) ),

-the driver's and passenger front door sill lining

(front section) ( (see 71A, Body interior trim) ),

-the driver's and passenger front door sill lining

(centre section) ( (see 71A, Body interior trim) ),

-the driver's and passenger under-seat storage

compartments ( (see 71A, Body interior trim) ).

Unclip the retaining pin (1) (depending on the side

being removed).

Partially remove the front carpet.

Unclip the side trim (2) .

Equipment required

diagnostic tool

IMPORTANT

Before carrying out any work on a safety system

component, lock the air bag computer using the

(diagnostic tool) (see 88C, Air bag and preten-

sioner, Air bag computer locking procedure ).

When this function is activated, all the trigger

lines are inhibited and the air bag warning light

on the instrument panel lights up continuously

(ignition on).

104148

104217

104219

Note:

An aerial is clipped on the driver's side trim

(depending on equipment level).

1

2

61A-8

HEATING

Rear air distribution duct: Removal - Refitting

61A

Unclip the front half-floor (3) .

Unclip the seat connector from the clip.

Remove the mounting bolts (4) .

Remove the attachment (5) .

Lift the rear air distribution duct (6) .

Extract the rear air distribution duct (6) from the in-

termediate air distribution duct (7) .

Remove the attachment (8) .

Lift the rear air distribution duct (9) .

Extract the rear air distribution duct (9) from the in-

termediate air distribution duct (10) .

104209

104221

Note:

Depending on the equipment level, the ventila-

tion ducts may mean the seat height adjuster has

to be removed.

3

44

104201

104200

7

6

5

10

9

8

61A-9

HEATING

Rear air distribution duct: Removal - Refitting

61A

REFITTING

Proceed in the reverse order to removal.

WARNING

Connect the battery, starting with the positive ter-

minal; carry out the necessary programming (see

80A, Battery: removal - reﬁtting ).

IMPORTANT

Unlock the air bag computer using the fault ﬁn-

ding tool (see 88C, Air bag and pretensioners,

Air bag computer locking procedure ).

61A-10

HEATING

Control panel: Removal - Refitting

61A

REMOVAL

Disconnect the battery starting with the negative ter-

minal.

Remove the gear lever knob.

Remove the spring (1) .

Unclip the gear lever gaiter.

Unclip the upper trim from the gear lever.

Disconnect the connector.

Special tooling required

Ms. 1639 Tool for removing radio

- CD player

Ms. 1544 Tool for removing Car-

minat Becker radio

Ms. 1373 Tool for removing radio

or chronotachograph

104030

104031

104032

1

61A-11

HEATING

Control panel: Removal - Refitting

61A

Remove the clip using clip removal pliers (on both si-

des).

Remove the three bolts.

Unclip the gear lever trim.

Remove (depending on the equipment level):

- the CD changer using tool (Ms. 1639) ,

- the radio-navigation unit using tool (Ms. 1544) ,

- the audio equipment using tool (Ms. 1373) .

Disconnect the various connectors.

Remove the two bolts (2) .

103603

104033

104034

2

61A-12

HEATING

Control panel: Removal - Refitting

61A

Carefully unclip the centre plate (the mounting clips

are shown in the diagram below).

Disconnect the various connectors.

Remove the two bolts (3) from the air conditioning

control panel.

Tilt the heating control panel.

Remove the control panel by tilting it.

Disconnect the connector (4) from the heating con-

trol panel.

104035

103811

104036

104659

3

4

61A-13

HEATING

Control panel: Removal - Refitting

61A

Remove the heater control panel cables.

Disconnect at (5) .

Withdraw the bracket (6) .

Remove ball joint (7) .

REFITTING

To refit, proceed in the order of removal.

102011

WARNING

-Do not damage the control cables during these

operations.

-Connect the battery; carry out the necessary

programming ( (see 80A, Battery) ).

Note:

-The recirculation control cable is black.

-The distribution control cable is white.

-The mixing control cable is grey.

-The heating control panel control cables do not

need to be adjusted.

5

6 7

61A-14

HEATING

Control panel: Connection

61A

102337

B9B1

A6A1

Control panel track Allocation Actuator sensor track

A1 Earth -

A2 Speed 1 control Resistor unit track 1 connector A

A3 Speed 2 control Resistor unit track 2 connector A

A4 Speed 3 control Resistor unit track 3 connector A

A5 Speed 4 control Resistor unit track 4 connector A

A6 Not used -

B1 Fan assembly speed signal 0 UCH

B2 + after ignition feed -

B3 Electric heated rear screen activa-

tion request

UCH

B4 Electric heated rear screen war-

ning light control

UCH

B5 Earth -

B6 - UCH

B7 - UCH

B8 + after ignition feed -

B9 + side lights feed Lighting dimmer

61A-15

HEATING

Recirculation control cable: Removal - Refitting

DG

61A

REMOVAL

Disconnect the battery, starting with the negative

terminal.

Extract the heater control panel (see 61A, Heating,

Control panel: Removal - Refitting, page 61A-10)

.

Remove the lower trim ( (see 57A, Interior acces-

sories) ).

Remove the air recirculation cable (black) from the

heater control panel.

Disconnect at (1) .

Take out the bracket (2) .

Extract the ball joint (3) .

Unclip the electric wiring harness attached to the ca-

sing reinforcement plate.

Remove the five casing reinforcement plate moun-

ting bolts (4) .

Unclip at (5) .

Remove the air duct at (6) then at (7) .

Remove the brake pedal assembly (see 37A, Me-

chanical component controls ).

Tightening torquesm

casing reinforcement

plate mounting bolts

2.1 daNm

Note:

The air recirculation control cable is black.

102011

1

2

3

104118

104102

444

5

6

7

61A-16

HEATING

Recirculation control cable: Removal - Refitting

DG

61A

Remove:

-the two mounting bolts (8) ,

-the heater matrix pipes retaining bracket.

Unclip the sheath stop (11) then remove it.

Extract the ball joint (12) .

Remove the air recirculation control cable.

REFITTING

Proceed in the reverse order to removal.

Torque tighten the casing reinforcement plate

mounting bolts ( 2.1 daNm ) .

104660

Note:

The retaining bracket has a ball joint on its upper

section (9) : to remove it, pull at (10) , until it

stops against the brake pedal mounting nut, then

pull sharply downwards.

8

9

10

104672

WARNING

Connect the battery, starting with the positive ter-

minal; carry out the necessary programming (see

80A, Battery, removal - reﬁtting ).

Note:

The cable does not need adjustment.

11

12

61A-17

HEATING

Recirculation control cable: Removal - Refitting

DD

61A

REMOVAL

Disconnect the battery, starting with the negative

terminal.

Extract the heater control panel (see 61A, Heating,

Control panel: Removal - Refitting, page 61A-10)

.

Remove the lower trim ( (see 57A, Interior acces-

sories) ).

Remove the air recirculation cable (black) from the

heater control panel.

Disconnect at (1) .

Take out the bracket (2) .

Extract the ball joint (3) .

Unclip at (4) .

Disconnect the air duct at (5) then (6) .

Remove the brake pedal assembly (see 37A, Me-

chanical components control ).

Note:

The air recirculation control cable is black.

102011

3

2

1

104393

4

5

6

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Renault Scenic Air Conditioning Service Repair Manual

Renault Scenic Air Conditioning Service Repair Manual

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