Suzuki SX4 Service Manual page 226

1A-176 Engine General Information and Diagnosis:
Terminal Wire
No. color
Mass air flow
GRN/
C01-26 (MAF) sensor
BLK
signal
Ground for MAF
C01-27 GRY
sensor
BLU / General control
C01-28
YEL signal output
BLU/ EVAP canister
C01-29
BLK purge valve output
C01-30 BLK Ground for ECM
C01-31 —
C01-32 —
C01-33 —
C01-34 —
C01-35 —
C01-36 —
C01-37 —
C01-38 —
C01-39 —
Throttle position
C01-40 WHT
sensor (sub) signal
Ground for shield
C01-41 GRY wire of TP sensor
circuit
Ground for throttle
C01-42 BLK
position sensor
Output for 5 V
power source of
C01-43 RED
throttle position
sensor
Output of throttle
C01-44 YEL
actuator
Circuit Normal voltage
0.5 – 1.5 V
1.5 – 2.0 V
("Reference
waveform No.15: ")
Below 0.3 V
0 – 1 V
10 – 14 V
10 – 14 V
*0 – 0.6 V
↑↓
10 – 14 V
("Reference
waveform No.16: ")
Below 0.3 V
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— —
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— —
— —
— —
1.57 – 1.90 V
3.88 – 4.45 V
("Reference
waveform No.29: ")
Below 0.3 V
Below 0.3 V
4.5 – 5.5 V
0 – 1 V
*0 – 1 V
↑↓
10 – 14 V
("Reference
waveform No.26: "
and "Reference
waveform No.27: ")
Condition
Ignition switch turned ON
with engine at stop.
When engine running at
specified idle speed after
warmed up.
Ignition switch turned ON.
Engine: Stop
IG switch: ON
Engine: Idle speed after
warning up
Ignition switch turned ON
with engine at stop.
Set EVAP canister purge
valve at 52% by using
"Engine / Active Test" of
scan tool.
Ignition switch turned ON.
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Ignition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.
Ignition switch turned ON.
Ignition switch turned ON.
Ignition switch turned ON.
Ignition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.
Remarks
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Output signal is active low
duty pulse. Duty ratio
varies depending on
vehicle condition.
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Output signal is pulse.
Duty ratio varies
depending on throttle
valve and accelerator
pedal position.