Suzuki Engine 2002 GRAND VITARA SQ625 - Equipped)

6-128 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES)
Table B-6 A/C Signal Circuits Inspection (Other than Canvas Top Model, If
Equipped)
WIRING DIAGRAM
CIRCUIT DESCRIPTION
HVAC control module outputs A/C ON signal to ECM (PCM) when A/C switch and heater blower motor are
turned ON. Then compressor and condenser fan are turned ON by ECM (PCM) when engine conditions are
normal.
[A] : Terminal arrangement of ECM (PCM) coupler
viewed from harness side
5. A/C condenser fan motor 10. Heater blower motor 15. “HTR 15 A” fuse
1. ECM (PCM) 6. A/C compressor 11. Heater blower motor controller 16. “A/C” 25 A fuse
2. Combination meter (ECT meter) 7. A/C compressor relay 12. DLC 17. Ignition switch
3. HVAC control module 8. Refrigerant pressure switch 13. “HTR 60 A” fuse 18. Battery
4. A/C condenser fan motor relay 9. Heater blower motor relay 14. “HTR 40 A” fuse
12V
C51-3-24
C51-3-6
C51-3-17
C51-2-28
1
18
E61-8
7
E61-17
E61-16
E61-13
E61-2
17
GRN/BLK
PNK/WHT
3
A/C+
10
8
11
9
PPL/RED
12
+BB
YEL/WHT
IG2
A/C+
+B
+B
2
4
15
16
IG1
YEL/GRN
RED/BLK
6
5
M
RED/BLU
WHT/RED
BLK
13
14
[A]
C51-3 C51-1 C51-2
12
34567
34
89
101112131415161718191011
1213
1415
21 20
12
56
8
161718
97
20 19
22
232425262728
2728
1234
56
123456
78
78
9101112131415
1617
91011121314151617
181920212223
18192021
2223
24
24
25
25
26
262930313233
3435
E61-22
YEL/BLU
PNK
WHT
BLK/WHT
BLK/GRN
BLK/BLU
BLK/BLU
C51-3-20