Suzuki Liana RH418, Supplementary Service Manual

Page: 94 / 371

1A-81 Engine General Information and Diagnosis:
13. Reference waveform No.13
Knock sensor signal at engine speed 4000 r/min.
14. Reference waveform No.14
Knock sensor signal at engine speed 4000 r/min.
15. Reference waveform No.15
CMP sensor signal at engine idling
16. Reference waveform No.16
Manifold absolute pressure sensor signal at ignition
switch turned ON
Measurement
terminal CH1: C41-25 to C41-1
Oscilloscope setting CH1: 1 V/DIV
TIME: 10 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Run engine at 4000 r/min.
Measurement
terminal CH1: C41-25 to C41-1
Oscilloscope setting CH1: 1 V/DIV
TIME: 200
μ
s/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Run engine at 4000 r/min.
I3RH0A110039-01
I3RH0A110040-01
Measurement
terminal CH1: C41-11 to C41-1
CH2: C41-23 to C41-1
Oscilloscope setting CH1: 2 V/DIV, CH2: 2 V/DIV
TIME: 20 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. CKP signal
Measurement
terminal CH1: C41-26 to C41-10
CH2: C41-16 to C41-10
Oscilloscope setting CH1: 2 V/DIV, CH2: 1 V/DIV
TIME: 200 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Ignition switch turned ON
1. Manifold absolute pressure sensor signal
2. Throttle position sensor signal
I3RH0B110017-01
I3RH0A110042-01