Suzuki Wagon R Plus RB310 - Page 226

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