Suzuki Swift Sport 2004 Service & Repair Manual page 235

Reference waveform No.2
No.1 fuel injector signal (2) with engine idling
Measurement CH1: "C37-20" to "C37-58"
terminal CH2: "C37-1" 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.3
No.2 fuel injector signal (2) with engine idling
Measurement CH1: "C37-20" to "C37-58"
terminal CH2: "C37-2" 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
Engine General Information and Diagnosis:
Reference waveform No.4
EGR valve signal
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I6RS0C110028-01
1. EGR valve stepper motor coil 1 signal
2. EGR valve stepper motor coil 2 signal
3. EGR valve stepper motor coil 3 signal
4. EGR valve stepper motor coil 4 signal
5. ON signal
6. OFF signal
Reference waveform No.5
Ignition coil No.2 and No.3 signal (2) with engine idling
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I6RS0C110029-01
1. Cylinder reference signal (CMP reference signal)
3. 720° crank angle
CH1: "C37-4" to "C37-58"
CH2: "C37-3" to "C37-58"
CH3: "C37-19" to "C37-58"
CH4: "C37-18" to "C37-58"
CH1: 20 V/DIV, CH2: 20 V/DIV
CH3: 20 V/DIV, CH4: 20 V/DIV
TIME: 40 ms/DIV
Engine at cranking
CH1: "C37-20" to "C37-58"
CH2: "C37-5" to "C37-58"
CH1: 2 V/DIV, CH2: 2 V/DIV
TIME: 40 ms/DIV
• After warmed up to normal
operating temperature
• Engine at specified idle speed
1A-185
I4RS0B110053-01
I6RS0C110030-01