169001357 - 5580MH CHECK ON SPEED SIGNAL FROM INSTRUMENT PANEL TO MAP READER

it should be remembered that the lack of a speed signal is shown by the arrow-vehicle advancement on the Navigator screen.

- Position the red probe of the voltmeter at pin 11 of the 18-way Connect connector and the negative to earth, [EL_3510]Connect pin out- Select a 20V end of scale and 1 second time base on the Examiner.- Raise one of the front wheels and let it rotate at a speed of about 20 km/h.- Press the Start button and display a square wave signal with a duty cycle of between 40 and 80%.- To display the graph better, highlight several impulses using the zoom and check that the graph looks similar to the follow picture.Speed signal- If there is an interruption to the Connect speed signal, check the continuity of the signal from the ABS control unit to the Body and from the Body to the Connect.