184000540 - K79 PASSENGER AIRBAG DISABLEMENT WARNING LIGHT FLASHING
The Passenger Air Bag Disabled warning light flashes after the initial four seconds when the ignition is switched on.| Results of the tests | ||||
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
| Connect the Examiner diagnostic equipment and check, in the Control Unit Tests, Other Systems, Proxi Alignment Procedure ambients, that the Instrument Panel Node alignment has taken place | Continue to Step 7 | Impossible to carry out the Proxi alignment | Continue to Step 2 | |
| Alignment not carried out | Carry out Proxi alignment | |||
| 2 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Connect the Examiner diagnostic equipment and check, in the Instrument Panel Node ambient, that there are no errors and the following parameters are present. | Continue to Step 7 | Impossible to connect with the NQS | Continue to Step 3 | |
| There are errors | Continue to Step 6 | |||
| 3 | ELECTRIC POWER SUPPLY CHECK | All OK | Problems met | Operation |
| Check that the Instrument Panel Node electrical power supply is correct See E4010 INSTRUMENT PANEL | Continue to Step 4 | Positive and/or earth electrical power supply faulty | Replace the defective component (if a fuse is involved, search for the cause of the problem) | |
| 4 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems met | Operation |
| Check the wiring/electrical connections for the Instrument Panel Node, in particular making sure that each individual pin is correctly connected and inserted in its housing. | Continue to Step 5 | Wiring and/or electrical connections not working | Restore the wiring and/or damaged electrical connections | |
| 5 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner, check the possibility of connecting with the Instrument Panel Node | Continue to Step 2 | Impossible to connect with the control unit | Replace the instrument panel control unit Op. 5060B11 | |
| 6 | ERRORS CHECK | All OK | Problems met | Operation |
Using the Examiner in the Instrument Panel Node ambient, check that one or more of the following errors is not present:
| Continue to Step 7 | No additional information and/or BUS off detected | Continue according to the instructions for the diagnostic equipment | |
| EEPROM faulty | Replace the instrument panel control unit Op. 5560B11 | |||
| 7 | CHECK WITH ACTIVE DIAGNOSIS | All OK | Problems met | Operation |
| Using the Examiner in the active diagnosis ambient, check that the Autotest function is activated | Continue to Step 8 | The function in question is not controlled by active diagnosis. | Replace the instrument panel control unit Op. 5560B11 | |
| 8 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Connect the Examiner diagnostic equipment and check, in the Air Bag Node ambient, that there are no errors and the following parameters are present. | Continue to Step 12 | Impossible to connect with the NAB | Continue to Step 9 | |
| Errors present. | Continue according to the instructions for the diagnostic equipment | |||
| Memory configuration incorrect | Carry out correct configuration | |||
| 9 | ELECTRIC POWER SUPPLY CHECK | All OK | Problems met | Operation |
| Check that the Air Bag Node electrical power supply is correct See E7030 AIRBAG | Continue to Step 10 | Positive and/or earth electrical power supply faulty | Replace the defective component (if a fuse is involved, search for the cause of the problem) | |
| 10 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems met | Operation |
| Check the wiring/electrical connections for the Air Bag Node, in particular making sure that each individual pin is correctly connected and inserted in its housing. | Continue to Step 11 | Wiring and/or electrical connections not working | Restore the wiring and/or damaged electrical connections | |
| 11 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner, check the possibility of connecting with the Air Bag Node | Continue to Step 8 | Impossible to connect with the control unit. | Replace the Air Bag control unit Op. 5580C14 | |
| 12 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Continue to Step 1 | |