Sym GTS 250 Service Manual page 230

3. Use Diagnostic to check the working condition of O
a). Connect the Diagnostic, Key-on and start the engine.
b). Fully warm up the engine (Idle the engine at least 5min), use the main stand to lift off the
rear wheel. Accelerate the engine around 4500rpm, and observe the O
condition.
c). Use the Diagnostic "Data Stream" mode, and move the cursor to "O
activate the waveform analysis of the O
d). Observe the O
Figure 13 O
Sensor electrical resistance measurement
2
Sensor voltage fluctuating situation.
2
Figure 14 O
Sensor voltage signal fluctuating waveform
2
Sensor.
2
Sensor signal voltage. As the Figure 14 shows.
2
15
Sensor working
2
Sensor" and press F4 to
2