Suzuki SWIFT RS415 2017, Service Manual

Page: 234 / 1257

1A-186 Engine General Information and Diagnosis:
Idle Air Control System Check
S4RS0A1104059
Wiring Diagram
4 Fuel line check
1) Check fuel pipe, fuel hose and joint for damage or
deform.
Are they in good condition?
Faulty fuel pressure
regulator. Repair or replace
damaged or deformed
part.
5 Was fuel pressure higher than specification in Step 1? Go to Step 6. Go to Step 7.
6 Fuel line check
1) Check fuel pipe, fuel hose and joint for damage or
deform.
Are they in good condition?
Faulty fuel pressure
regulator. Repair or replace
damaged or deformed
part.
7 Fuel pump operating sound check
1) Remove fuel filler cap and then turn ON ignition switch.
Can you hear operating sound?
Go to Step 8. Faulty fuel pump.
8 Fuel line check
1) Check fuel pipe, fuel hose and joint for damage or
deform.
Are they in good condition?
Clogged fuel filter, faulty
fuel pump, faulty fuel
pressure regulator or
fuel leakage from hose
connection in fuel tank. Repair or replace
defective part.
Step Action Yes No
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
BLK/WHT
BLK/RED BLK/RED
WHT
80A
BLK/YEL BLK/YEL
BLK/YEL
GRN
BRN/WHT
12V
5V
5
6
3
4
2
E23-29
E23-1
E23-60
C37-58
C37-15
C37-30
BLK/ORN
BLK
BLK
7 8
BLK/RED BLK/RED E23-16
RED/WHT
BLK
1
C37-49
I4RS0A110079-
1. IAC valve 4. “IG COIL” fuse 7. “FI” fuse
2. ECM 5. Ignition switch 8. “IG ACC” fuse
3. Main relay 6. Main fuse box