Suzuki Liana RH418, Supplementary Service Manual

Page: 95 / 371

Engine General Information and Diagnosis: 1A-82
17. Reference waveform No.17
Manifold absolute pressure sensor signal at engine
racing
18. Reference waveform No.18
VSS signal at 30 km/h (19 mil/h)
19. Reference waveform No.19
Tachometer (Ignition pulse) signal at engine idling
20. Reference waveform No.20
Tachometer (Ignition pulse) signal at engine idling
Measurement
terminal CH1: C41-26 to C41-10
CH2: C41-16 to C41-10
Oscilloscope setting CH1: 2 V/DIV, CH2: 2 V/DIV
TIME: 200 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine racing
1. Manifold absolute pressure sensor signal
2. Throttle position sensor signal
Measurement
terminal CH1: G04-24 to C41-1
Oscilloscope setting CH1: 5 V/DIV
TIME: 40 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Drive vehicle at 30 km/h (19
mil/h)
I3RH0A110043-01
I3RH0A110044-01
Measurement
terminal CH1: C41-11 to C41-1
CH2: G03-1 to C41-1
Oscilloscope setting CH1: 5 V/DIV, CH2: 5 V/DIV
TIME: 40 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. Ignition pulse signal
Measurement
terminal CH1: C41-11 to C41-1
CH2: G03-1 to C41-1
Oscilloscope setting CH1: 5 V/DIV, CH2: 5 V/DIV
TIME: 10 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. Ignition pulse signal
I3RH0B110018-01
I3RH0B110019-01