Suzuki Ignis Service Manual page 3251

6-50 ENGINE GENERAL INFORMATION AND DIAGNOSIS
14. Reference waveform No.14
No.1 fuel injector signal at engine idling
Measurement CH1: C63-10 to C64-1
terminal CH2: C63-7 to C64-1
Oscilloscope CH1: 5 V/DIV, CH2: 20 V/DIV
setting TIME: 40 ms/DIV
Measurement • After warmed up to normal operating
condition
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. No.1 fuel injector signal
15. Reference waveform No.15
Knock sensor signal at engine speed 4000 r/min.
Measurement CH1: C63-9 to C64-1
terminal
Oscilloscope CH1: 1 V/DIV
setting TIME: 10 ms/DIV
Measurement • After warmed up to normal operating
condition
• Run engine at 4000 r/min.
16. Reference waveform No.16
Knock sensor signal at engine speed 4000 r/min.
Measurement CH1: C63-9 to C64-1
terminal
Oscilloscope CH1: 1 V/DIV
TIME: 200 µs/DIV
setting
Measurement • After warmed up to normal operating
condition
• Run engine at 4000 r/min.
17. Reference waveform No.17
CMP sensor signal at engine idling
Measurement CH1: C63-10 to C64-1
terminal CH2: C63-30 to C64-1
Oscilloscope CH1: 2 V/DIV, CH2: 2 V/DIV
setting TIME: 20 ms/DIV
Measurement • After warmed up to normal operating
condition
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. CKP signal
temperature
temperature
temperature
temperature