Suzuki Swift Sport 2004 Service & Repair Manual page 236

1A-186 Engine General Information and Diagnosis:
Reference waveform No.6
Ignition coil signal (1) with engine idling
Measurement
CH1: "C37-6" to "C37-58"
terminal
Oscilloscope CH1: 2 V/DIV
setting TIME: 4 ms/DIV
• After warmed up to normal
Measurement
operating temperature
condition
• Engine at specified idle speed
2. 4 – 6 V
3. Ignition coil pulse width: 4 – 5 msec.
Reference waveform No.7
Ignition coil No.1 and No.4 signal (2) with engine idling
Measurement CH1: "C37-20" to "C37-58"
terminal CH2: "C37-6" to "C37-58"
Oscilloscope CH1: 2 V/DIV, CH2: 2 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
Generator field coil monitor signal (1) at engine idling
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I4RS0B110055-02
Reference waveform No.9
Throttle actuator output signal with ignition switch turned
ON
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I6RS0C110031-01
1. Throttle actuator drive signal ("C37-45" terminal)
2. Throttle actuator drive signal ("C37-44" terminal)
3. ON signal
4. OFF signal
5. One duty cycle
CH1: "C37-8" to "C37-58"
CH1: 5 V/DIV
TIME: 10 ms/DIV
• After warmed up to normal
operating temperature
• Engine at specified idle speed
• Lighting switch at CLEARANCE
position
CH1: "C37-45" to "C37-58"
CH2: "C37-44" to "C37-58"
CH1: 5 V/DIV, CH2: 5 V/DIV
TIME: 2 ms/DIV
• After warmed up to normal
operating temperature
• Ignition switch turned ON and
accelerator pedal at idle position
I5RS0C110016-01
I4RS0B110081-02