Suzuki Swift Sport 2004 Service & Repair Manual page 228

1A-178 Engine General Information and Diagnosis:
Terminal Wire
No. color
RED/
C37-20 CMP sensor signal
YEL
C37-21 PNK CKP sensor signal
C37-22 —
Electric load
PNK/
C37-23 current sensor
BLU
signal
C37-24 LT GRN ECT sensor signal
BLK/
C37-25 IAT sensor signal
YEL
GRN/
C37-26 MAF sensor signal
BLK
Ground for MAF
C37-27 GRY
sensor
BLU/ Generator control
C37-28
YEL signal output
BLU/ EVAP canister
C37-29
BLK purge valve output
C37-30 BLK Ground for ECM
C37-31 —
Circuit Normal voltage
0 – 1 V or 4 – 5 V
*0 – 0.6 V
↑↓
4 – 5 V
("Reference
waveform No.16: "
and "Reference
waveform No.17: ")
0 – 1 V or 4 – 5 V
*4 – 5 V
↑↓
0 – 0.6 V
("Reference
waveform No.16: "
and "Reference
waveform No.17: ")
— —
3.8 – 4.2 V
3.0 – 3.4 V
2.3 – 2.7 V
3.3 – 3.8 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
0.5 – 1.5 V
1.5 – 2.0 V
("Reference
waveform No.18: ")
Below 0.3 V
*0 – 0.6 V
↑↓
5 – 8 V
("Reference
waveform No.19: ")
10 – 14 V
*0 – 0.6 V
↑↓
10 – 14 V
("Reference
waveform No.20: ")
Below 0.3 V
— —
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 turned ON
and headlight switch
turned ON (HI beam).
Ignition switch turned ON,
headlight switch turned
ON (HI beam) and blower
selector at HI position.
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.
Ignition switch turned ON
with engine at stop.
When engine running at
specified idle speed after
warmed up.
Ignition switch turned ON.
Engine running at idle
speed, headlight switch
turned ON.
Ignition switch turned ON
with engine at stop.
Set EVAP canister purge
valve at 52% by using
"Misc Test" of scan tool.
Ignition switch turned ON.
—
Remarks
—
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.)
—
—
—
—
—
—
Output signal is active low
duty pulse. Duty ratio
varies depending on
vehicle condition.
—
Output signal is active low
duty pulse. Duty ratio
varies depending on
vehicle condition.
—
—