Suzuki Liana RH413 Service Manual page 169

19. Reference waveform No.19
Tachometer (Ignition pulse) signal at engine idling
Measurement CH1: C41-11 to C41-1
terminal CH2: G03-1 to C41-1
Oscilloscope setting CH1: 5 V/DIV, CH2: 5 V/DIV
TIME: 40 ms/DIV
Measurement • After warmed up to normal
condition
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. Ignition pulse signal
20. Reference waveform No.20
Tachometer (Ignition pulse) signal at engine idling
Measurement CH1: C41-11 to C41-1
terminal CH2: G03-1 to C41-1
Oscilloscope setting CH1: 5 V/DIV, CH2: 5 V/DIV
TIME: 10 ms/DIV
Measurement • After warmed up to normal
condition operating temperature
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. Ignition pulse signal
operating temperature
I3RH0A110045-01
I3RH0A110046-01
Engine General Information and Diagnosis:
21. Reference waveform No.21
Engine coolant temperature signal at engine idling
Measurement CH1: C41-14 to C41-10
terminal CH2: G03-9 to C41-1
Oscilloscope setting CH1: 500 mV/DIV, CH2: 5 V/DIV
TIME: 400 ms/DIV
Measurement • After warmed up to normal
condition
• Engine at specified idle speed
1. Engine coolant temperature signal for combination meter
2. Engine coolant temperature sensor signal
22. Reference waveform No.22
EVAP canister purge valve signal
Measurement CH1: C41-4 to C41-1
terminal
Oscilloscope setting CH1: 5 V/DIV
TIME: 40 ms/DIV
Measurement • After warmed up to normal
condition
• Drive vehicle at 40 km/h (25
1A-118
operating temperature
I3RH0A110047-01
operating temperature
mil/h) or more
I3RH0A110048-01