125000790 - 5510CF RPM SIGNAL CHECK

• Prepare the diagnostic equipment for a voltage graph assimilation.
• Select the "VOLTMETER" function from the "INSTRUMENT" menu with the time set at 5 seconds.
• Disconnect the connector for the control unit side sensor wiring and leave it disconnected.
• Connect the sensor side connector to isolator AD 233 N° 180.63.87.000.
• Connect it to the probes between pins 1 and 2 of the isolator.
• Press the START button on the diagnostic equipment to begin creating a graph assimilation.
• Let the engine run for at least 5 seconds and check that the amplitude signal is more than 1.5 V and conforms as in the graph.