Ignition push button check
- Make
- Alfa Romeo
- Model
- Brera and Spider Factory Service Manual
- Year
- 2005–2010
- Section
- Engine starting › Ignition push button check
IGNITION PUSH BUTTON CHECK
| CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK | |
|---|---|---|
| 1 | Insert the key in the key recognition device and ensure that the surround lights up. Continue to Step 3 | Proceed as instructed See Test 5505AF CHECK OF THE EFFICIENCY OF KEY ACKNOWLEDGEMENT DEVICE |
| 2 | Check and if necessary restore the +15 power supply to Pin 1 of the ignition button Move on to Step 6. | Replace the ignition button Op. 5520G30 START/STOP SWITCH FOR EASY-GO SYSTEM STARTER MOTOR - R.R. |
| 3 | With the diagnostic instrument in Voltmeter mode, connect the positive probe to ignition Pin 3 of the ignition device and the negative to earth. Check that there is a 12 Volt voltage present. | Move on to Step 5 |
| 4 | Check and if necessary restore the continuity of the wiring between Pin B2 of the power steering control unit and Pin 3 of the button See M089 STEERING LOCK CONTROL UNIT (NBS) The test can be considered over | Proceed as instructed |
| 5 | Disconnect the button connector. Connect the diagnostic tester in Ohmmeter mode across Pin 2 and Earth, checking that the resistance reading is less than 1 Ohm. | Reset the earth connection of the right facia area |
| 6 | With the diagnostic instrument in Voltmeter mode, connect the positive probe to button Pin 4 and the negative to earth Press the ignition button and check the voltage is 12 Volts. | Replace the ignition button Op. 5520G30 START/STOP SWITCH FOR EASY-GO SYSTEM STARTER MOTOR - R.R. |
| 7 | With the diagnostic instrument in Voltmeter mode, connect the positive probe to device Pin 5 and the negative to earth Check for a voltage of 12 Volts. Continue to Step 9. | Move on to Step 8. |
| 8 | Check and if necessary restore the continuity of the wiring between Pin A8 of the control unit and Pin 5 of the button See M089 STEERING LOCK CONTROL UNIT (NBS) The test can be considered over | Proceed as instructed |
| 9 | With the diagnostic instrument in Voltmeter mode, connect the positive probe to button Pin 6 and the negative to earth Press the ignition button and check the voltage is 12 Volts. | Replace the ignition button Op. 5520G30 START/STOP SWITCH FOR EASY-GO SYSTEM STARTER MOTOR - R.R. |
| 10 | Insert the key into the reader device, with the diagnostic instrument in Voltmeter mode, connect the positive probe to button Pin 7 and the negative to earth Check for a PWM signal. The test can be considered over | Move on to Step 11 |
| 11 | Check and if necessary restore the continuity of the wiring between Pin C2 of the control unit and Pin 7 of the button | Proceed as instructed |
| CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK | |
|---|---|---|
| 1 | Insert the key in the key recognition device and ensure that the surround lights up. Continue to Step 3 | Proceed as instructed See Test 5505AF CHECK OF THE EFFICIENCY OF KEY ACKNOWLEDGEMENT DEVICE |
| 2 | Check and if necessary restore the +15 power supply to Pin 1 of the ignition button Move on to Step 6. | Replace the ignition button Op. 5520G30 START/STOP SWITCH FOR EASY-GO SYSTEM STARTER MOTOR - R.R. |
| 3 | With the diagnostic instrument in Voltmeter mode, connect the positive probe to ignition Pin 3 of the ignition device and the negative to earth. Check that there is a 12 Volt voltage present. | Move on to Step 5 |
| 4 | Check and if necessary restore the continuity of the wiring between Pin B2 of the power steering control unit and Pin 3 of the button See M089 STEERING LOCK CONTROL UNIT (NBS) The test can be considered over | Proceed as instructed |
| 5 | Disconnect the button connector. Connect the diagnostic tester in Ohmmeter mode across Pin 2 and Earth, checking that the resistance reading is less than 1 Ohm. | Reset the earth connection of the right facia area |
| 6 | With the diagnostic instrument in Voltmeter mode, connect the positive probe to button Pin 4 and the negative to earth Press the ignition button and check the voltage is 12 Volts. | Replace the ignition button Op. 5520G30 START/STOP SWITCH FOR EASY-GO SYSTEM STARTER MOTOR - R.R. |
| 7 | With the diagnostic instrument in Voltmeter mode, connect the positive probe to device Pin 5 and the negative to earth Check for a voltage of 12 Volts. Continue to Step 9. | Move on to Step 8. |
| 8 | Check and if necessary restore the continuity of the wiring between Pin A8 of the control unit and Pin 5 of the button See M089 STEERING LOCK CONTROL UNIT (NBS) The test can be considered over | Proceed as instructed |
| 9 | With the diagnostic instrument in Voltmeter mode, connect the positive probe to button Pin 6 and the negative to earth Press the ignition button and check the voltage is 12 Volts. | Replace the ignition button Op. 5520G30 START/STOP SWITCH FOR EASY-GO SYSTEM STARTER MOTOR - R.R. |
| 10 | Insert the key into the reader device, with the diagnostic instrument in Voltmeter mode, connect the positive probe to button Pin 7 and the negative to earth Check for a PWM signal. The test can be considered over | Move on to Step 11 |
| 11 | Check and if necessary restore the continuity of the wiring between Pin C2 of the control unit and Pin 7 of the button | Proceed as instructed |
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