Suzuki Liana RH413, Service Manual

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1A-119 Engine General Information and Diagnosis:
23. Reference waveform No.23
Ignition coil signal and fuel injector signal at engine
cranking
24. Reference waveform No.24
Fuel injector signal at engine cranking
Measurement
terminal CH1: C41-20 to C41-1
CH2: C41-9 to C41-1
CH3: C41-11 to C41-1
CH4: C41-30 to C41-1
Oscilloscope setting CH1: 5 V/DIV, CH2: 50 V/DIV
CH3: 5 V/DIV, CH4: 10 V/DIV
TIME: 100 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine at cranking
1. Ignition coil No.1 and No.4 signal
2. No.1 fuel injector signal
3. Cylinder reference signal (CMP reference signal)
4. Starting motor signal
I3RH0A110049-01
Measurement
terminal CH1: C41-11 to C41-1
CH2: C41-21 to C41-1
Oscilloscope setting CH1: 5 V/DIV, CH2: 20 V/DIV
TIME: 10 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine at cranking
1. Cylinder reference signal (CMP reference signal)
2. Fuel injector signal
3. Injection pulse width: 6 –12 msec.
I3RH0A110050-01