Suzuki GRAND VITARA Owner's Manual page 272

1A-217 Engine General Information and Diagnosis:
Terminal Wire
No. color
A/F sensor signal
C37-37 BLK
(–)
A/F sensor signal
C37-38 WHT
(+)
C37-39 —
Throttle position
C37-40 RED
sensor (sub) signal
Ground for throttle
C37-41 GRN
position sensor
C37-42 —
C37-43 —
BLU/ Output of throttle
C37-44
RED actuator
BLU/ Output of throttle
C37-45
YEL actuator
C37-46 —
Heater output of
BLK/
C37-47 heated oxygen
RED
sensor-2
BLK/
C37-48 Ground for ECM
YEL
C37-49 —
C37-50 —
Circuit Normal voltage
2.6 – 2.8 V
("Reference
waveform No.18: ")
3.0 – 3.2 V
("Reference
waveform No.18: ")
— —
1.60 – 1.91 V
3.88 – 4.45 V
Below 0.3 V
— —
— —
0 – 1 V
*0 – 1 V
↑↓
10 – 14 V
("Reference
waveform No.22: "
and "Reference
waveform No.23: ")
0 – 1 V
*0 – 1 V
↑↓
10 – 14 V
("Reference
waveform No.22: "
and "Reference
waveform No.23: ")
— —
10 – 14 V
*0 – 1 V
↑↓
10 – 14 V
("Reference
waveform No.7: " and
"Reference waveform
No.8: ")
Below 0.3 V
— —
— —
Condition
Engine running at idle
after warmed up engine.
Engine running at idle
after warmed up engine.
—
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
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
and accelerator pedal at
full depressed position
after warmed up engine.
Ignition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
—
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
Ignition switch turned ON.
—
—
Remarks
—
—
—
—
—
—
—
Output signal is duty
pulse. Duty ratio varies
depending on throttle
valve and accelerator
pedal position.
Output signal is duty
pulse. Duty ratio varies
depending on throttle
valve and accelerator
pedal position.
—
—
Output signal is active low
duty pulse. Duty ratio
varies depending on
engine condition.
—
—
—