Suzuki GRAND VITARA Owner's Manual page 268

1A-213 Engine General Information and Diagnosis:
Terminal Wire
No. color
C37-1 PNK Fuel injector No.1
PNK/
C37-2 Fuel injector No.2
BLK
EGR valve
YEL/
C37-3 (stepper motor coil
GRN
3)
EGR valve
C37-4 YEL (stepper motor coil
4)
EGR valve
YEL/
C37-5 (stepper motor coil
BLK
1)
EGR valve
YEL/
C37-6 (stepper motor coil
RED
2)
Power steering
BLU/
C37-7 pump pressure
ORN
switch signal
BRN/
RED
(for M16
engine) Generator field coil
C37-8
BRN/ monitor signal
BLK (for
J20
engine)
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.31: ")
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: ")
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: ")
10 – 14 V
0 – 1 V
10 – 14 V
*0 – 1 V
↑↓
10 – 14 V
("Reference
waveform No.5: " and
"Reference waveform
No.6: ")
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.
Ignition switch is turned to
ST (cranking) position.
Ignition switch turned ON.
Ignition switch is turned to
ST (cranking) position.
Ignition switch turned ON.
With engine at idle speed,
turning steering wheel to
the right or left as far as it
stops.
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 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.
—
Signal is duty pulse. Duty
ratio varies depending on
vehicle condition.