Sym MAXSYM 400i Service Manual page 65

4. Fuel Injection System
Numerical voltage changes that
the situation.
4-22
To this chapter contents
1. Used the diagnosis tool to confirm of O
Connected the "diagnosis tool" to diagnosis coupler and open the
●
main switch to start the engine.
Engine to be completely warm-up (idling state operation "5 minutes"
●
above).
Screen will switch to the diagnosis tool of "DATA STREAM 01/01"
●
screen, select " O
images, turn the throttle engine speed to about 4500 rpm,
Observation O Sensor actuator circumstances.
2
Observation O Sensor voltage values that the situation changes.
●
2
Detection judge:
Working voltage value:
●
Resistance value: 6.7~10.5Ω
●
O Sensor amendment in the voltage value of between 100 ~ 900 mV
●
2
beating; representatives pollution closed-loop control system to normal,
if contrary to maintain a fixed value for abnormalities.
Treatment of abnormal phenomena:
O sensor damaged, heater damaged or couplers to poor contact.
●
2
Check whether the abnormal wire harness lines.
●
O Sensor anomaly, the proposed replacement of the O
●
2
measurements again.
2
Sensor" project, and switches to a wave of
2
above 10V
sensor work situations:
Sensor，and
2