Suzuki Wagon R Manual page 2051

6-2-48 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
13. Reference waveform No.13
No.2 fuel injector signal at engine idling
Measurement CH1: E22-10 to E23-1
terminal CH2: E22-6 to E23-1
Oscilloscope CH1: 5 V/DIV, CH2: 20 V/DIV
setting TIME: 40 ms/DIV
Measurement • After warmed up to normal operating
condition temperature
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. No.2 fuel injector signal
14. Reference waveform No.14
No.1 fuel injector signal at engine idling
Measurement CH1: E22-10 to E23-1
terminal CH2: E22-7 to E23-1
Oscilloscope CH1: 5 V/DIV, CH2: 20 V/DIV
setting TIME: 40 ms/DIV
Measurement • After warmed up to normal operating
condition temperature
• 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: E22-9 to E23-1
terminal
Oscilloscope CH1: 1 V/DIV
setting TIME: 10 ms/DIV
Measurement • After warmed up to normal operating
condition temperature
• Run engine at 4000 r/min.
16. Reference waveform No.16
Knock sensor signal at engine speed 4000 r/min.
Measurement CH1: E22-9 to E23-1
terminal
Oscilloscope CH1: 1 V/DIV
setting TIME: 200
Measurement • After warmed up to normal operating
condition temperature
• Run engine at 4000 r/min.
µ
s/DIV