199002724 - 7040AA CHECK CITY BUTTON
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Check power supply (+15)- Check an Examiner in Ohmmeter mode across pins 5 and 18 of the button and check continuity with the button pressed. | Replace the city button |
| 2 | Check the wiringCheck the continuity of the connection across pin 18 of the City button and pin 28 of Body Computer connector BCheck the continuity of the connection across pin 5 of the City button and pin 49 of Body Computer connector B See E7045 ELECTRIC STEERING | Restore connection continuity.If the checks are regular and the City function does not activate, replace the Body Computer Op. 7040A56 SWITCH UNIT IN DASHBOARD - R.R. |
| Pin | Description |
|---|---|
| 5 | Earth signal input from Body Computer |
| 18 | Earth signal output for the Body Computer |