Suzuki Grand Vitara JB419. Service manual - part 124

 

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Suzuki Grand Vitara JB419. Service manual - part 124

 

 

Air Conditioning System:  7B-2

Precautions on Replenishing Compressor Oil

S5JB0B7200008

When replacing air conditioning parts with new ones, it is 
necessary to replenish oil by the amount supposedly 
remaining in each part.

When Charging Refrigerant Only
When charging refrigerant without replacing any 
component, replenish the same amount of measured oil 
when recovering refrigerant (if not measure, replenish 20 
cm

3

 (20 cc) oil).

When Replacing Compressor

CAUTION

!

 

Be sure to use specified compressor oil or an 
equivalent compressor oil.

 

Compressor oil is sealed in each new compressor (1) by 
the amount required for air conditioner cycle. Therefore, 
when using a new compressor for replacement, drain oil 
from it by the amount calculated as follows.
“C” = “A” – “B”
“C”: Amount of oil to be drained
“A”: Amount of oil sealed in a new compressor
“B”: Amount of oil remaining in removed 
compressor

NOTE
Compressor assembly supplied from factory 
is filled up with the following amount of oil.

 

:  Compressor oil 99000–99022–00E (Compressor oil 
(DH-PS, 250cc)) 

Amount of oil in new compressor
150 (+20, –0) cm

3

 (150 (+20, –0) cc)

Amount of compressor oil to be replenished after 
part replacement
Evaporator: 50 cm

3

 (50 cc)

Condenser: 30 cm

3

 (30 cc)

Receiver / dryer: 10 cm

3

 (10 cc)

Hoses: 10 cm

3

 (10 cc)

Pipes: 10 cm

3

 (10 cc)

2. Removed compressor
3. Excess oil (A – B)

I5JB0A720003-01

7B-3 Air Conditioning System: 

General Description

A/C Refrigerant Type Description

S5JB0B7201005

Whether the A/C in the vehicle being serviced uses HFC-134a (R-134a) or CFC-12 (R-12) is indicated on LABEL (1) 
on the compressor. Also, it can be checked by the shape of the service (charge) valve (2).

Schematic and Routing Diagram

Auto A/C Electronic Control Input / Output Diagram

S5JB0B7202003

[A]: HFC-134a (R-134a)
[B]: CFC-12 (R-12)

I5JB0B720002-02

Sunload sensor

Outside air temperature sensor

Evaporator temperature sensor

A/C refrigerant pressure sensor

Temperature selector
MODE (air flow) selector
Blower speed selector
Air intake selector

AUTO switch

A/C switch

Compressor relay

Blower motor controller

Temperature control actuator

Air flow control actuator

Air intake control actuator

BCM

ECM

Data link connector

HVAC control module

CPU

ECT sensor

Inside air temperature sensor

ABS control module or 
ESP® control module

Wheel 

speed 
sensor

Radiator fan relay

Additional heater relay

*

*

I5JB0B720001-03

*: CAN communication

Air Conditioning System:  7B-4

A/C System Wiring Circuit Diagram

S5JB0B7202001

53

12V

5V

M

12V

M

5V

5V

M

12V

12V

G52-1

G52-2

G52-8

G52-4

G52-15

G52-19

G52-20

12V

M

5V

5V

G52-21

G52-22

G52-23

G52-27

G52-28

G52-31

G52-32

G52-29

G52-30

G52-14

5V

5V

G52-18

G52-12

5V

12V

12V

5V

G52-13

G52-16

12V

5V

5V

12V

+BB

G52-17

G52-3

PPL/RED

WHT

RED/YEL

RED/WHT

WHT/BLK

BLU/BLK

BLK/RED

GRY

GRY/BLU

BLK/RED

WHT/RED

RED/WHT

ORN

GRN

RED/WHT

WHT/GRN

BLK/RED

GRY/RED

GRY/BLK

RED/WHT

WHT/BLU

BLK/RED

PNK

YEL

PPL/WHT

BLK

BLK/RED

RED/BLK

PPL/GRN

G52-10

G52-11

G52-6

G52-5

YEL/RED

PNK/GRN

PNK/BLK

RED/GRN

WHT/BLK

GRY/GRN

GRY/RED

GRY/BLK

M

M

RED/YEL

RED/BLK

BLU/WHT

BLK

WHT/RED

BLK/RED

BLU/BLK

BLU/BLK

YEL/GRN

BLK/RED

WHT/GRN

WHT/GRN

BLU/WHT

BLU/BLK

RED

WHT

WHT/RED

WHT/BLU

BLK/RED

3

2

1

4

17

18

19

40

41

20

37

21

22

23

24

34

34

25

29

30

42

31

38

39

32

33

43

45

35

36

16

26

27

28

5

54

55

6

7

41

44

9

10

11

12

13

14

15

5V

46

RED

BLU

40

BLK/RED

8

RED

PNK

34

WHT/BLU 34

BLU/YEL

YEL/RED

YEL/RED

YEL/BLK

BLU/RED

BLU

RED/BLK

BLU/BLK

47

48

49

50

51

52

YEL/BLK

56

57

BLU/BLK

I5JB0B720003-02

1. Battery

20. Rear defogger

39. To information display

2. Main fuse

21. A/C compressor

40. To ECM

3. Fuse box

22. Blower motor

41. To BCM

4. To radiator fan relay No.1

23. Blower motor selector

42. To compressor relay

5. To radiator fan relay No.3

24. Radiator fan relay No.1

43. To rear defogger relay

7B-5 Air Conditioning System: 

6. Ignition switch

25. Radiator fan No.1

44. To combination switch

7. Small lamp relay

26. Radiator fan relay No.2

45. AUTO-ON head light system vehicle

8. Main relay

27. Radiator fan relay No.3

46. Integration relay No.1

9. Evaporator temperature sensor

28. Radiator fan No.2

47. Additional heater relay No.1

10. Inside air temperature sensor

29. ECM

48. Additional heater relay No.2

11. Temperature control actuator

30. Outside temperature sensor

49. Additional heater relay No.3

12. Air intake control actuator

31. ABS or ESP

® control module

50. Additional heater No.1

13. Air flow control actuator

32. BCM

51. Additional heater No.2

14. Sunload sensor

33. Refrigerant pressure sensor

52. Additional heater No.3

15. Data link connector

34. To fuse box

53. To main relay

16. HVAC control module

35. Theft deterrent light

54. To additional heater relay No.1

17. Compressor relay

36. Illumination lamp

55. To additional heater relay No.2 and No.3

18. Rear defogger relay

37. Indicator lamp, switch, selector

56. To ECM, TCM, BCM, ABS or ESP

® control module, 

SDM, 4WD control module and Immobilizer control 
module (ICM)

19. Blower motor relay

38. To wheel speed sensor

57. To TCM, 4WD control module, keyless start control 

module, Immobilizer control module (ICM), 
combination meter and steering angle sensor

 

 

 

 

 

 

 

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