Suzuki Swift Sport 2004 Service & Repair Manual page 238

1A-188 Engine General Information and Diagnosis:
Reference waveform No.14
No.3 fuel injector signal (2) with engine idling
Measurement CH1: "C37-20" to "C37-58"
terminal CH2: "C37-16" to "C37-58"
Oscilloscope CH1: 5 V/DIV, CH2: 20 V/DIV
setting TIME: 40 ms/DIV
• After warmed up to normal
Measurement
operating temperature
condition
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
3. 720° crank angle
Reference waveform No.15
No.4 fuel injector signal (2) with engine idling
Measurement CH1: "C37-20" to "C37-58"
terminal CH2: "C37-17" to "C37-58"
Oscilloscope CH1: 5 V/DIV, CH2: 20 V/DIV
setting TIME: 40 ms/DIV
• After warmed up to normal
Measurement
operating temperature
condition
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
3. 720° crank angle
Reference waveform No.16
CMP sensor signal with engine idling
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I6RS0C110032-01
1. Cylinder reference signal (CMP reference signal)
2. CKP signal
3. 360° crank angle
4. 4 – 5 V
5. 36 – 6 = 30 CKP pulse
Reference waveform No.17
CMP sensor signal with engine idling
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I6RS0C110033-01
1. Cylinder reference signal (CMP reference signal)
2. CKP signal
3. 30° crank angle
4. 10° crank angle
5. 360° crank angle
6. 36 – 6 = 30 CKP pulse
CH1: "C37-20" to "C37-58"
CH2: "C37-21" to "C37-58"
CH1: 2 V/DIV, CH2: 2 V/DIV
TIME: 20 ms/DIV
• After warmed up to normal
operating temperature
• Engine at specified idle speed
CH1: "C37-20" to "C37-58"
CH2: "C37-21" to "C37-58"
CH1: 2 V/DIV, CH2: 2 V/DIV
TIME: 10 ms/DIV
• After warmed up to normal
operating temperature
• Engine at specified idle speed
I6RS0C110034-01
I6RS0C110035-01