Mitsubishi Grandis. Manual - part 329

HEATER UNIT AND BLOWER ASSEMBLY

HEATER, AIR CONDITIONER AND VENTILATION

55-201

<L.H.D.>

AC310616

C-15

C-16

C-110

C-111

C-112

C-113

C-114

C-115

AC

AC310614

C-27

C-124

C-125

C-127

C-128

AR

Connector 
number

Connector name

C-15

Instrument panel wiring harness 
and floor wiring harness 
combination

C-16

Instrument panel wiring harness 
and floor wiring harness 
combination

C-27

Instrument panel wiring harness 
and front door wiring harness 
(LH) combination

C-110

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-111

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-112

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-113

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-114

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-115

Earth

C-124

Instrument panel wiring harness 
and front wiring harness 
combination

C-125

Instrument panel wiring harness 
and front wiring harness 
combination

C-127

Stop lamp switch

C-128

Instrument panel wiring harness 
and roof wiring harness 
combination

C-210

Floor wiring harness and J/B 
combination

C-211

Roof wiring harness and J/B 
combination

AC310623

C-210

C-211

AK

HEATER UNIT AND BLOWER ASSEMBLY

HEATER, AIR CONDITIONER AND VENTILATION

55-202

<R.H.D.>

AC310632

C-14

C-15

C-16

C-119

C-128

AN

AC310629

C-17

C-18

C-27

C-110

C-111

C-112

C-113

C-114

C-124

C-125

AC

Connector 
number

Connector name

C-14

Instrument panel wiring harness 
and front door wiring harness 
(RH) combination

C-15

Instrument panel wiring harness 
and floor wiring harness 
combination

C-16

Instrument panel wiring harness 
and floor wiring harness 
combination

C-17

Instrument panel wiring harness 
and control wiring harness 
combination

C-18

Instrument panel wiring harness 
and control wiring harness 
combination

C-27

Instrument panel wiring harness 
and front door wiring harness 
(LH) combination

C-110

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-111

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-112

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-113

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-114

Engine-ECU <M/T> or 
Engine-A/T-ECU <A/T>

C-119

SRS-ECU

C-125

Instrument panel wiring harness 
and front wiring harness 
combination

C-124

Instrument panel wiring harness 
and front wiring harness 
combination

AC310618

C-210

C-211

AJ

HEATER UNIT AND BLOWER ASSEMBLY

HEATER, AIR CONDITIONER AND VENTILATION

55-203

<<B>> SUCTION FLEXIBLE HOSE AND 
LIQUID PIPE B DISCONNECTION

CAUTION

Use the plug which is not breathable because 
A/C compressor oil or receiver have high 
hygroscopicity.
Plug the removed nipple of the pipe, hose and 
expansion valve to prevent the entry of dust and dirt.

DISASSEMBLY AND REASSEMBLY

M1552020900025

C-128

Instrument panel wiring harness 
and roof wiring harness 
combination

C-211

Roof wiring harness and J/B 
combination

C-210

Floor wiring harness and J/B 
combination

Connector 
number

Connector name

AC310130

1

2

3

4

AB

Disassembly steps

1.

Air intake duct

2.

Blower assembly

3.

Hearer unit

4.

Front deck cross member

Disassembly steps (Continued)

HEATER UNIT AND BLOWER ASSEMBLY

HEATER, AIR CONDITIONER AND VENTILATION

55-204

HEATER UNIT DISASSEMBLY AND 
REASSEMBLY

M1554009200102

AC310132 AB

1

13

10

7

8

9

N

14

15

16

17

18

19

21

5

6

23

21

22

2

12

11

3

4

20

Disassembly steps

1.

Heater foot duct

2.

Mode selection damper control 
motor and potentiometer

3.

Aspirator

4.

Aspirator hose

5.

Heater side cover

6.

PTC heater

7.

Joint duct

8.

Expansion valve

9.

O ring

10. Evaporator
11. Air thermo sensor clip
12. Air thermo sensor

13. Front air mixing damper control 

motor and potentiometer

14. Heater core
15. Air mixing control link A
16. Air mixing control link B
17. Air mixing control link C
18. Air mixing control link D
19. Air mixing control link E
20. Heater case lower
21. Heater case upper
22. Air mixing damper
23. Mode selection damper

Disassembly steps (Continued)