Suzuki SWIFT RS415 2017, Service Manual

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1A-10 Engine General Information and Diagnosis:
Terminal Arrangement of ECM Coupler (Viewed from Harness Side)
Connector: C37
4. MAP sensor 26. IAC valve 48. Barometric pressure sensor
5. Knock sensor 27. EVAP canister purge valve 49. Oil control valve (Camshaft position control)
6. TP sensor 28. Fuel pump relay 50. Engine ground
7. ECT sensor 29. Fuel pump 51. Body ground
8. Heated oxygen sensor-2 30. Radiator cooling fan relay No.1 52. Shield ground
9. Heated oxygen sensor-1 31. Radiator cooling fan motor 53. EPS control module
10. A/C evaporator outlet air temp. sensor 32. EGR valve 54. Fuel level sensor
11. Battery 33. Radiator cooling fan relay No.3 55. “RADIO” fuse
12. Radiator cooling fan relay No.2 34. “IG COIL” fuse 56. BCM
13. ABS control module 35. MAF and IAT sensor 57. “A/C COMP” fuse
14. A/C compressor relay 36. Ignition coil assembly (for No.1 and No.4 spark plugs) 58. “RDTR FAN” fuse
15. Blower motor 37. Ignition coil assembly (for No.2 and No.3 spark plugs) 59. “FI” fuse
16. Blower speed selector 38. Stop lamp switch 60. “ST SIG” fuse
17. Magnet clutch of compressor 39. Stop lamp 61. “ST MOT” fuse
18. A/C switch 40. Starting motor control relay 62. Blower motor relay
19. A/C refrigerant pressure sensor 41. Transmission range switch (A/T) 63. Combination meter
20. Immobilizer coil antenna 42. Ignition switch 64. “IG ACC” fuse
21. Data link connector 43. Main relay 65. Only for M/T vehicle
22. Injector No.1 44. TCM (A/T) 66. Only for A/T vehicle
E23 C37
3 4
18 19
5 6 7 10 11
17 20
47 46 49 50 51
21 22
52
16 25
9
24
14
29
55 57 54 53 59 60 58
2
26 27 28
15
30
56 48
32 31 34 35 36 37 40 42 39 38
44
45 43 41 33
1 12 13
23
8 3 4
18 19
5 6 7 10 11
17 20
47 46 49 50 51
21 22
52
16 25
9
24
14
29
55 57 54 53 59 60 58
2
26 27 28
15
30
56 48
32 31 34 35 36 37 40 42 39 38
44
45 43 41 33
1 12 13
23
8
I4RS0A110008-
Terminal Wire color Circuit Terminal Wire color Circuit
1 BLU/YEL Fuel injector No.1 output 31 — —
2 BLU/WHT Fuel injector No.2 output 32 — —
3 GRN/ORN
EGR valve (stepper motor coil
2) output
33 — —
4 GRN/RED
EGR valve (stepper motor coil
1) output
34 — —
5 GRN/WHT
Ignition coil No.2 and No.3
output
35 — —
6 GRN/YEL
Ignition coil No.1 and No.4
output
36 — —
7 — — 37 — —
8 — — 38 — —
9 PPL
Vehicle speed sensor signal
(M/T)
39 — —
10 WHT
Oxygen signal of heated
oxygen sensor-1
40 — —
11 BRN
Oxygen signal of heated
oxygen sensor-2
41 — —
12 WHT
CAN (low) communication line
(active low signal) to TCM
42 — —
13 RED
CAN (high) communication line
(active high signal) to TCM
43 — —
14 GRY/RED
Output of 5 V power source for
TP sensor, MAP sensor, A/C
refrigerant pressure sensor
44 — —
15 BLK Ground for ECM 45 — —