Suzuki 2006 SX4 Service Manual page 185

Reference waveform No.7
No.3 fuel injector signal (2) with engine idling
Measurement CH1: "C01-52" to "C01-58"
terminal CH2: "C01-16" to "C01-58"
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.8
No.4 fuel injector signal (2) with engine idling
Measurement CH1: "C01-52" to "C01-58"
terminal CH2: "C01-17" to "C01-58"
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.9
Ignition coil signal (1) with engine idling
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I5JB0A110081-01
2. 4 – 6 V
Reference waveform No.10
Ignition coil No.4 signal (2) with engine idling
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I5JB0A110082-01
1. Cylinder reference signal (CMP reference signal)
3. 720° crank angle
CH1: "C01-18", "C01-19", "C01-20"
or "C01-21" to "C01-58"
CH1: 2 V/DIV
TIME: 2 ms/DIV
• After warmed up to normal
operating temperature
• Engine at specified idle speed
3. Ignition coil pulse width
CH1: "C01-52" to "C01-58"
CH2: "C01-18" to "C01-58"
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-141
I7RW01110017-01
I5JB0A110084-01