Suzuki Grand Vitara JB627. Manual - part 273

7B-8 Air Conditioning System: 

A/C System Wiring Circuit Diagram

S6JB0B7202001

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

RED/BLK

BLU/WHT

BLK

WHT/RED

BLK/RED

BLU/BLK

PNK

YEL/GRN

WHT/GRN

YEL/GRN

YEL/GRN

BLK/RED

BLU

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

6

7

8

44

9

10

11

12

13

14

15

5V

47

46

WHT/GRN

48

49

I6JB01720003-01

1. Battery

18. Rear defogger relay

35. Theft deterrent light

2. Main fuse

19. Blower motor relay

36. Illumination light

3. Fuse box

20. Rear defogger

37. Indicator light, switch, selector

4. To radiator fan relay No.1

21. A/C compressor

38. To wheel speed sensor

5. To radiator fan relay No.3

22. Blower motor

39. To information display

6. Ignition switch

23. Blower motor selector

40. To ECM

Air Conditioning System:  7B-9

Component Location

A/C Control System Components Location

S6JB0B7203002

NOTE
The figure shows left-hand steering vehicle. For right-hand vehicle, parts with (*) are installed at the 
opposite side.

 

7. Small light relay

24. Radiator fan relay No.1

41. To BCM

8. To BCM

25. Radiator fan No.1

42. To compressor relay

9. Evaporator temperature sensor

26. Radiator fan relay No.2

43. To rear defogger relay

10. Inside air temperature sensor

27. Radiator fan relay No.3

44. To combination switch

11. Temperature control actuator

28. Radiator fan No.2

45. AUTO-ON head light system vehicle

12. Air intake control actuator

29. ECM

46. Integration relay No.1

13. Air flow control actuator

30. Outside temperature sensor

47. Integration relay No.2

14. Sunload sensor

31. ABS or ESP

® control module

48. To other control module

15. Data link connector

32. BCM

49. To TCM, 4WD control module, combination meter, keyless start 

control module and steering angle sensor.

16. HVAC control module

33. Refrigerant pressure sensor

17. Compressor relay

34. To fuse box

7B-10 Air Conditioning System: 

1

*2

*7

*3

*6

*11

*10

9

8

4

5

25

12

24 26

14

22

23

16

15

21

13

17

19

18

20

I6JB0B720004-01

1. Outside temperature sensor

10. Blower motor

19. Theft deterrent light

2. Sunload sensor

11. Blower motor controller

20. Blower speed selector / Air intake selector

3. Inside temperature sensor

12. Temperature selector / A/C switch

21. Rear defogger switch

4. ECT sensor

13. “DEF” switch

22. “REC” indicator light

5. Refrigerant pressure sensor

14. “DEF / FOOT” switch

23. “FRE” indicator light

6. Evaporator temperature sensor

15. “FOOT” switch

24. MODE selector

7. Air intake control actuator

16. “BI-LEVEL” switch

25. HVAC control module (vehicle with A/C)

Air Conditioning System:  7B-11

Diagnostic Information and Procedures

Air Conditioning System Check

S6JB0B7204001

To ensure that system diagnosis is done accurately and smoothly, read “Precautions in Diagnosing Trouble” and follow 
“Air Conditioning System Check”.

8. Temperature control actuator

17. “VENT” switch

26. “DEF” indicator light

9. Air flow control actuator

18. “AUTO” switch

Step

Action

Yes

No

1

)

 Customer complaint analysis

1) Perform “Customer Complaint Analysis”.

Was customer complaint analysis performed according to 
instruction?

Go to Step 2.

Perform customer 
complaint analysis.

2

)

 Visual inspection

1) Perform “Visual Inspection”.

Is there any faulty condition?

Repair or replace 
malfunction part.

Go to Step 3.

3

)

 DTC check

1) Perform “DTC Check”.

Is it malfunction code?

Go to Step 4.

Go to Step 5.

4

)

 Troubleshooting for DTC

1) Check and repair according to DTC diag. flow.

Are check and repair completed?

Go to Step 7.

Check and repair 
malfunction part(s).

5

)

 Check for intermittent problem

1) Check for intermittent problem.

Is there faulty condition?

Repair or replace 
malfunction part(s).

Go to Step 6.

6

)

 Air conditioning system symptom diagnosis

1) Inspect and repair referring to “A/C System Symptom 

Diagnosis”.

Are inspect and repair complete?

Go to Step 7.

Inspect and repair 
malfunction part(s).

7

)

 Final confirmation test

1) Perform DTC check.

Is there any DTC?

Go to Step 4.

Air Conditioning system 
is good condition.