Fuel Injector Circuit Check - Suzuki Grand Vitara 2011 Manual

1A-247 Engine General Information and Diagnosis: For Petrol Engine Model
Step
12 Sensor 5 V power source circuit check
1) Disconnect connectors from ECM, TP sensor, MAP
sensor, A/C refrigerant pressure sensor (if equipped with
A/C), electric load current sensor (for J20 engine) and
accelerator pedal position (APP) sensor with ignition
switch turned OFF.
2) Measure each resistance between "C37-14", "E23-56",
"E23-54" and "C37-53" terminal of ECM connector and
vehicle body ground.
Is each resistance infinity?

Fuel Injector Circuit Check

Wiring Diagram
BLK/YEL
9
WHT/GRN
BLK/RED
1
11
10
15 14 13 12 11
30 29 28 27 26
44
45 43 42 41
60 59 58 57 56
1. Fuse box No.2
2. Main relay
3. ECM
Action
8
2
BLK/RED
BLK/RED
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
4. No.1 injector
5. No.2 injector
6. No.3 injector
Check internal short
circuit of TP sensor,
MAP sensor, A/C
refrigerant pressure
sensor (if equipped with
A/C), electric load
current sensor (for J20
engine) and/or
accelerator pedal
position (APP) sensor.
BLK/WHT
BLU
BLU/BLK BLU/BLK
BLU/BLK BLU/BLK
4
PNK
5
PNK/BLK
6
PNK/GRN
7
PNK/BLU
2 1 15 14 13 12 11
17 16 30 29 28 27 26
44
32 31 45 43 42 41
47 46 60 59 58 57 56
7. No.4 injector
8. "IG COIL" fuse
9. Ignition switch
Yes
"GRY/RED", "WHT"
and/or "ORN/BLU" wire
is shorted to ground
circuit.
3
E23-29
C37-15 BLK/ORN
C37-30 BLK/ORN
C37-29
BLK/YEL
C37-48
BLK/YEL
E23-60
C37-58 BLK/YEL
12V 5V
E23-1
E23-16
C37-1
C37-2
C37-16
C37-17
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
10. "FI" fuse
11. "IGN" fuse
No
S6JB0A1114082
2 1
17 16
32 31
47 46
I5JB0A110101-01