Suzuki WagonR+ RB310 Service Manual page 618

ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-47
10. Reference waveform No.10
Fuel injector signal at engine racing
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: 1 ms/DIV
Measurement • After warmed up to normal operating
condition temperature
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. Fuel injector signal
11. Reference waveform No.11
No.4 fuel injector signal at engine idling
Measurement CH1: E22-10 to E23-1
terminal CH2: E22-4 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.4 fuel injector signal\
12. Reference waveform No.12
No.3 fuel injector signal at engine idling
Measurement CH1: E22-10 to E23-1
terminal CH2: E22-5 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.3 fuel injector signal