Suzuki GRAND VITARA Owner's Manual page 73

1. Accelerator pedal position (APP) sensor
assembly
2. Shield wire
3. CMP sensor
4. CKP sensor
5. MAF and IAT sensor
6. CO adjust resistor (if equipped)
7. MAP sensor
8. ECT sensor
9. A/C refrigerant pressure sensor (if equipped
with A/C)
10. Generator
11. "O2 HTR" fuse
12. HO2S heater relay
13. HO2S-2
14. A/F sensor
15. Knock sensor
16. Power steering pump pressure switch
17. Immobilizer coil antenna (if equipped)
18. ABS hydraulic unit / control module assembly
19. BCM
20. Combination meter
21. Main fuel level sensor
21-1. Sub fuel level sensor
Terminal Arrangement of ECM Coupler (Viewed from Harness Side)
15 14 13 12 11
30 28 27 26
29
44
45 43 42 41
59
60 58 57 56
Connector: C37
Terminal Wire color
1 PNK
2 PNK/BLK
3 YEL/GRN
4 YEL
5 YEL/BLK
6 YEL/RED
7 BLU/ORN
BRN/RED
(for M16
engine)
8
BRN/BLK
(for J20
engine)
22. Stop lamp switch
23. Stop lamp
24. DLC
25. To BCM and ABS hydraulic unit / control
module assembly
26. Barometric pressure sensor
27. Throttle actuator control relay
28. "THR MOT" fuse
29. Electric throttle body assembly
30. Throttle actuator
31. Throttle position sensor
32. Fuel injector No.1
33. Fuel injector No.2
34. Fuel injector No.3
35. Fuel injector No.4
36. EVAP canister purge valve
37. EGR valve
38. Oil control valve (Camshaft position control)
39. Fuel pump relay
40. Fuel pump
41. Radiator cooling fan relay No.1
42. Radiator cooling fan relay No.2
43. Radiator cooling fan relay No.3
E23
10 9 8 7 6 5 4 3
25 24 23 22 21 20 19 18
40 39 38 37 36 35 34 33
55 54 53 52 51 50 49 48
Circuit
Fuel injector No.1
Fuel injector No.2
EGR valve (stepper motor coil
3)
EGR valve (stepper motor coil
4)
EGR valve (stepper motor coil
1)
EGR valve (stepper motor coil
2)
Power steering pump pressure
switch signal
Generator field coil monitor
signal
Engine General Information and Diagnosis:
2 1 15 14 13 12 11
17 16 30 28 27 26
29
44
32 31 45 43 42 41
59
47 46 60 58 57 56
Terminal Wire color
31 BLK/YEL
32 PNK/BLU
33 GRY/RED
34 RED/BLU
35 RED/YEL
36 PNK
37
38 WHT
44. Radiator cooling fan motor No.1
45. Radiator cooling fan motor No.2
46. A/C compressor relay (if equipped with A/C)
47. A/C compressor (if equipped with A/C)
48. "CPRSR" fuse
49. Ignition coil assembly (for No.1 and No.4
spark plugs)
50. Ignition coil assembly (for No.2 and No.3
spark plugs)
51. "IG COIL" fuse
52. Main relay
53. "IG2 SIG" fuse
54. "DOME" fuse
55. "FI" fuse
56. Ignition switch
57. "IGN" fuse
58. "STR MOT" fuse
59. "ST SIG" fuse
60. Starting motor control relay
61. Starting motor
62. Diagnosis connector (if equipped)
63. Battery
64. Engine ground
65. Body ground
C37
10 9 8 7 6 5 4 3
25 24 23 22 21 20 19 18
40 39 38 37 36 35 34 33
55 54 53 52 51 50 49 48
Circuit
Ground for A/F sensor heater
Heater output of A/F sensor
Intake manifold tuning vacuum
solenoid valve output
(for J20 engine)
Ground for A/F sensor
adjusting resistor
A/F sensor adjusting resistor
signal
Crankshaft position (CKP)
sensor (–)
(for J20 engine)
BLK A/F sensor signal (–)
A/F sensor signal (+)
1A-18
2 1
17 16
32 31
47 46
I4RS0A110008-01