SPIDER MAX 500
Measure the voltage across the testing wiring PIN 1 and PIN 22.
F. 92
Connect the gas valve position sensor connector. Measure again the voltage across the
testing wiring PIN 1 and PIN 22.
F. 93
Measure the voltage across PIN 11 and PIN 22. Open the throttle valve
gradually and make sure that the voltage value increases gradually.
PIN 11 - PIN 22 = V (gradual increase).
NOTE - The limit voltage values may vary from ÷ 700mV, as min. value,
to more than 4V, as max. value. Any possible limit value change can be
generated by the sensor assembling tolerances.
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PIN 1 - PIN 22 = 5 V ± 0,2
Check the connection to the central unit.
Replace the central unit, if necessary.
PIN 1 - PIN 22 = 5 V ± 0,2
Replace the throttle body the sensors and the
stepper motor.
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B