Suzuki Grand Vitara Service Manual page 222

1A-215 Engine General Information and Diagnosis:
Terminal Wire
No. color
PNK/
C37-16 Fuel injector No.3
GRN
PNK/
C37-17 Fuel injector No.4
BLU
BRN/ Ignition coil No.4
C37-18
YEL (for J20 engine)
BRN/ Ignition coil No.3
C37-19
WHT (for J20 engine)
Ignition coil No.2
and No.3 (for M16
engine)
BRN/
C37-20
BLK
Ignition coil No.2
(for J20 engine)
Ignition coil No.1
and No.4 (for M16
engine)
C37-21 BRN
Ignition coil No.1
(for J20 engine)
BLK/ Starting motor
C37-22
YEL control relay output
C37-23 —
Circuit Normal voltage
10 – 14 V
*0 – 0.6 V
↑↓
10 – 14 V
("Reference
waveform No.1: " and
"Reference waveform
No.10: ")
10 – 14 V
*0 – 0.6 V
↑↓
10 – 14 V
("Reference
waveform No.1: " and
"Reference waveform
No.11: ")
0 – 0.6 V
*0 – 0.6 V
↑↓
3 – 5 V
("Reference
waveform No.12: "
and "Reference
waveform No.13: ")
0 – 0.6 V
*0 – 0.6 V
↑↓
3 – 5 V
("Reference
waveform No.12: "
and "Reference
waveform No.14: ")
0 – 0.6 V
*0 – 0.6 V
↑↓
3 – 5 V
("Reference
waveform No.12: "
and "Reference
waveform No.15: ")
0 – 0.6 V
*0 – 0.6 V
↑↓
3 – 5 V
("Reference
waveform No.12: "
and "Reference
waveform No.16: ")
0 – 1 V
8 – 14 V
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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.
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.
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
Ignition switch turned ON.
Ignition switch turned to
ST (engine cranking)
position.
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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
high pulse. Pulse
frequency varies
depending on engine
speed.
—
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.
—
Output signal is active
high pulse. Pulse
frequency varies
depending on engine
speed.
—
—