Suzuki 2006 SX4, Service Manual

Page: 195 / 1478

Engine General Information and Diagnosis: 1A-151
Fuel Injector Circuit Check
S6RW0C1104088
Wiring Diagram
10 Main relay check
1) Check main relay referring to “Engine and Emission
Control System Relay Inspection in Section 1C”.
Is main relay in good condition?
“BRN/WHT” wire is
open or high resistance
circuit. Replace main relay.
11 Sensor 5 V power source circuit check
1) Connect connectors to ECM with ignition switch turned
OFF.
2) Turn ON ignition switch, measure each voltage between
“C01-14”, “E01-56”, “E01-53” and “C01-53”, terminal of
ECM connector and vehicle body ground.
Is each voltage 4 – 6 V?
ECM power and ground
circuit is in good
condition. Go to Step 12.
12 Sensor 5 V power source circuit check
1) Disconnect connectors from ECM, TP sensor, A/C
refrigerant pressure sensor and APP sensor with ignition
switch turned OFF.
2) Measure each resistance between, “C01-14”, “E01-56”,
“E01-53” and “C01-53” terminal of ECM connector and
vehicle body ground.
Is each resistance infinity?
Check internal short
circuit of TP sensor, A/C
refrigerant pressure
sensor and/or APP
sensor. “GRY/RED”, “RED” and/
or “BRN” wire is shorted
to ground circuit.
Step Action Yes No
BLK/WHT
BLK/RED BLK/RED
WHT
BLK/YEL
GRN
BRN/WHT
12V 5V
9
2
8
3
E01-29
E01-1
E01-60
10
E01 C01
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
C01-1
C01-2
C01-16
C01-17
BLU/YEL
BLU/RED
BLU/ORN
BLU/WHT
E01-16
4
5
6
7
1
11
C01-15
C01-29
C01-48
C01-58
C01-30
BLK/YEL
BLK/YEL
BLK/RED BLK/RED
BLK
BLK
BLK
BLK/ORN
BLK/ORN
I7RW01110036-01
1. Fuse box No.2 3. ECM 5. No.2 injector 7. No.4 injector 9. Ignition switch 11. “IGN” fuse
2. Main relay 4. No.1 injector 6. No.3 injector 8. “IG COIL” fuse 10. “FI” fuse