Suzuki Wagon R Manual page 2054

ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-51
23. Reference waveform No.23
Ignition pulse (engine revolution) signal at engine idling
Measurement CH1: E22-10 to E23-1
terminal CH2: E21-12 to E23-1
Oscilloscope CH1: 5 V/DIV, CH2: 5 V/DIV
setting TIME: 10 ms/DIV
Measurement • After warmed up to normal operating
condition temperature
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. Ignition pulse signal
24. Reference waveform No.24
Engine coolant temperature signal at engine idling
Measurement CH1: E22-16 to E22-28
terminal CH2: E21-32 to E23-1
Oscilloscope CH1: 500 mV/DIV, CH2: 5 V/DIV
setting TIME: 100 ms/DIV
Measurement • After warmed up to normal operating
condition temperature
• Engine at specified idle speed
1. Engine coolant temperature signal for combination meter
2. Engine coolant temperature sensor signal
25. Reference waveform No.25
EVAP canister purge valve signal
Measurement CH1: E23-13 to E23-1
terminal
Oscilloscope CH1: 5 V/DIV
setting TIME: 40 ms/DIV
Measurement • After warmed up to normal operating
condition temperature
• Drive vehicle at 40 km/h (25 mil/h) or
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