Suzuki Swift Sport 2004 Service & Repair Manual page 226

1A-176 Engine General Information and Diagnosis:
Terminal Wire
No. color
BLU/ Fuel injector No.1
C37-1
YEL output
BLU/ Fuel injector No.2
C37-2
WHT output
EGR valve
GRN/
C37-3 (stepper motor coil
ORN
2) output
EGR valve
GRN/
C37-4 (stepper motor coil
RED
1) output
GRN/ Ignition coil No.2
C37-5
WHT and No.3 output
GRN/ Ignition coil No.1
C37-6
YEL and No.4 output
C37-7 —
BRN/ Generator field coil
C37-8
WHT monitor signal
C37-9 —
Circuit Normal voltage
10 – 14 V
*0 – 0.6 V
↑↓
10 – 14 V
("Reference
waveform No.1: ",
"Reference waveform
No.2: " and
"Reference waveform
No.22: ")
10 – 14 V
*0 – 0.6 V
↑↓
10 – 14 V
("Reference
waveform No.1: " and
"Reference waveform
No.3: ")
10 – 14 V
*0 – 1 V
↑↓
10 – 14 V
("Reference
waveform No.4: ")
10 – 14 V
*0 – 1 V
↑↓
10 – 14 V
("Reference
waveform No.4: ")
0 – 0.6 V
*0 – 0.6 V
↑↓
3 – 5 V
("Reference
waveform No.5: " and
"Reference waveform
No.6: ")
0 – 0.6 V
*0 – 0.6 V
↑↓
3 – 5 V
("Reference
waveform No.6: ",
"Reference waveform
No.7: " and
"Reference waveform
No.22: ")
— —
10 – 14 V
*0 – 1 V
↑↓
10 – 14 V
("Reference
waveform No.8: ")
— —
Condition
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
Ignition switch turned ON.
Ignition switch is turned to
ST (cranking) position.
Ignition switch turned ON.
Ignition switch is turned to
ST (cranking) position.
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
—
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
—
Remarks
—
Output signal is active low
pulse. Pulse frequency
varies depending on
engine speed.
—
Output signal is active low
pulse. Pulse frequency
varies depending on
engine speed.
—
Output signal is active low
duty pulse. Number of
pulse generated times
varies depending on
vehicle condition.
—
Output signal is active low
duty pulse. Number of
pulse generated times
varies depending on
vehicle condition.
—
Output signal is active
high pulse. Pulse
frequency varies
depending on engine
speed.
—
Output signal is active
high pulse. Pulse
frequency varies
depending on engine
speed.
—
Signal is duty pulse. Duty
ratio varies depending on
vehicle condition.
—