Suzuki SX4 Service Manual page 225

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Terminal
Wire
No.
color
BLU/
Fuel injector No.3
C01-16
RED
output
BLU/
Fuel injector No.4
C01-17
ORN
output
EGR valve
BRN/
(stepper motor coil
C01-18
YEL
4) output (if
equipped)
EGR valve
WHT/
(stepper motor coil
C01-19
RED
3) output (if
equipped
RED/
C01-20
CMP sensor signal
YEL
C01-21
PNK
CKP sensor signal
C01-22
C01-23
Engine coolant
C01-24 LT GRN
temp. (ECT)
sensor signal
BLK/
Intake air temp.
C01-25
YEL
(IAT) sensor signal
Circuit
Normal voltage
10 – 14 V
*0 – 0.6 V
↑↓
10 – 14 V
("Reference
waveform No.1: " and
"Reference waveform
No.11: ")
10 – 14 V
*0 – 0.6 V
↑↓
10 – 14 V
("Reference
waveform No.1: " and
"Reference waveform
No.12: ")
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 – 1 V or 4 – 5 V
*0 – 0.6 V
↑↓
4 – 5 V
("Reference
waveform No.13: "
and "Reference
waveform No.14: ")
0 – 1 V or 4 – 5 V
*4 – 5 V
↑↓
0 – 0.6 V
("Reference
waveform No.13: "
and "Reference
waveform No.14: ")
3.5 – 4.0 V
1.38 – 1.72 V
0.40 – 0.53 V
3.18 – 3.67 V
1.32 – 1.65 V
0.46 – 0.60 V
Engine General Information and Diagnosis:
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 warming up engine.
Ignition switch turned ON,
ECT at 0 °C, 32 °F.
Ignition switch turned ON,
ECT at 50 °C, 122 °F.
Ignition switch turned ON,
ECT at 100 °C, 212 °F.
Ignition switch turned ON,
IAT at 0 °C, 32 °F.
Ignition switch turned ON,
IAT at 40 °C, 104 °F.
Ignition switch turned ON,
IAT at 80 °C, 176 °F.
1A-175
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.
Sensor signal is pulse.
Pulse frequency varies
depending on engine
speed.
(6 pulses are generated
per 1 camshaft revolution.)
Sensor signal is pulse.
Pulse frequency varies
depending on engine
speed.
(30 (36 – 6) pulses are
generated per 1
crankshaft revolution.)

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