Ecm Power And Ground Circuit Check - Suzuki Swift Sport 2004 Service & Repair Manual

1A-194 Engine General Information and Diagnosis:
Terminals
C37-3 to E23-1/16 EGR valve (stepping motor No.2 coil)
C37-18 to E23-1/16 EGR valve (stepping motor No.4 coil)
C37-19 to E23-1/16 EGR valve (stepping motor No.3 coil)
C37-46 to E23-29 Heater of HO2S-1
C37-1 to E23-1/16 No.1 fuel injector
E23-47 to E23-1/16 A/C compressor relay
C37-60 to C37-59 Oil control valve
E23-45 to E23-1/16 Throttle actuator control relay

ECM Power and Ground Circuit Check

Wiring Diagram
2
WHT
BLK/YEL
WHT
7
8 9
1
15 14 13 12 11
30 29 28 27 26
45 44 43 42 41
60 59 58 57 56
1. Main fuse box
2. Ignition switch
3. Main relay
4. BCM (included in junction block assembly)
5. "IG COIL" fuse
6. ECM
Circuit
4
10
5
GRN
3
BLK/YEL
BLK/YEL
12
13
14
15
17
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
7. Individual circuit fuse box No.1
8. "IG ACC" fuse
9. "FI" fuse
10. "RADIO" fuse
11. DLC
12. MAP sensor
Standard resistance
11
WHT/RED E23-2
BLK/WHT
BRN/WHT
BLK/RED BLK/RED
BLK/RED
GRY/RED
RED/BLK
RED E23-55
ORN
ORN
BRN
GRN
BLU
RED
YEL
WHT
LT GRN/RED
LT GRN/BLK
16
RED
GRN
WHT
BLK
2 1 15 14 13 12 11
17 16 30 29 28 27 26
32 31 45 44 43 42 41
47 46 60 59 58 57 56
13. A/C refrigerant pressure sensor (if equipped with A/C)
14. APP sensor (main)
15. APP sensor (sub)
16. TP sensor (main)
17. TP sensor (sub)
20 – 31 Ω
2 – 11 Ω
10.8 – 18.2 Ω
160 – 240 Ω
6 – 15 Ω
160 – 240 Ω
6
E23-29
C37-58 BLK/ORN
C37-15 BLK
C37-30 BLK
E23-60
E23-31 BLK
12V 5V
E23-1
E23-16
C37-14
C37-53
E23-54
C37-55
E23-35
E23-37
E23-52
E23-34
E23-36
E23-51
E23-50
C37-45
C37-44
C37-43
C37-54
C37-40
C37-42
C37-41
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
Condition
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—
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S7RS0B1104080
2 1
17 16
32 31
47 46
I6RS0C110039-01