Reference Waveform No.17 - Manifold Absolute Pressure Sensor Signal At Engine Racing; Reference Waveform No.18 - Vss Signal At 30 Km/H (19 Mil/H); Reference Waveform No.19 - Tachometer (Ignition Pulse) Signal At Engine Idling; Reference Waveform No.20 - Tachometer (Ignition Pulse) Signal At Engine Idling - Suzuki Liana RH418 Supplementary Service Manual

17. Reference waveform No.17
Manifold absolute pressure sensor signal at engine
racing
Measurement CH1: C41-26 to C41-10
terminal CH2: C41-16 to C41-10
Oscilloscope setting CH1: 2 V/DIV, CH2: 2 V/DIV
TIME: 200 ms/DIV
Measurement • After warmed up to normal
condition
• Engine racing
1. Manifold absolute pressure sensor signal
2. Throttle position sensor signal
18. Reference waveform No.18
VSS signal at 30 km/h (19 mil/h)
Measurement CH1: G04-24 to C41-1
terminal
Oscilloscope setting CH1: 5 V/DIV
TIME: 40 ms/DIV
Measurement • After warmed up to normal
condition
• Drive vehicle at 30 km/h (19
operating temperature
I3RH0A110043-01
operating temperature
mil/h)
I3RH0A110044-01
Engine General Information and Diagnosis:
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
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. Ignition pulse signal
operating temperature
I3RH0B110018-01
operating temperature
I3RH0B110019-01
1A-82