2398843 - 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
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
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 placeContinue to Step 7Impossible to carry out the Proxi alignment Continue to Step 2
Alignment not carried outCarry out Proxi alignment
2CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
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 7Impossible to connect with the NQSContinue to Step 3
There are errors Continue to Step 6
3ELECTRIC POWER SUPPLY CHECKAll OKProblems metOperation
Check that the Instrument Panel Node electrical power supply is correct See   E4010  INSTRUMENT PANEL Continue to Step 4Positive and/or earth electrical power supply faultyReplace the defective component (if a fuse is involved, search for the cause of the problem)
4CHECK ELECTRICAL CONNECTIONSAll OKProblems metOperation
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 5Wiring and/or electrical connections not workingRestore the wiring and/or damaged electrical connections
5CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner, check the possibility of connecting with the Instrument Panel Node Continue to Step 2Impossible to connect with the control unitReplace the instrument panel control unit Op. 5060B11
6ERRORS CHECKAll OKProblems metOperation

Using the Examiner in the Instrument Panel Node ambient, check that one or more of the following errors is not present:

  • CAN line
  • EEPROM
Continue to Step 7No additional information and/or BUS off detectedContinue according to the instructions for the diagnostic equipment
EEPROM faulty Replace the instrument panel control unit Op. 5560B11
7CHECK WITH ACTIVE DIAGNOSISAll OKProblems metOperation
Using the Examiner in the active diagnosis ambient, check that the Autotest function is activated Continue to Step 8The function in question is not controlled by active diagnosis.Replace the instrument panel control unit Op. 5560B11
8CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
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 12Impossible to connect with the NABContinue to Step 9
Errors present. Continue according to the instructions for the diagnostic equipment
Memory configuration incorrect Carry out correct configuration
9ELECTRIC POWER SUPPLY CHECKAll OKProblems metOperation
Check that the Air Bag Node electrical power supply is correct See   E7030  AIRBAG Continue to Step 10Positive and/or earth electrical power supply faultyReplace the defective component (if a fuse is involved, search for the cause of the problem)
10CHECK ELECTRICAL CONNECTIONSAll OKProblems metOperation
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 11Wiring and/or electrical connections not workingRestore the wiring and/or damaged electrical connections
11CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner, check the possibility of connecting with the Air Bag Node Continue to Step 8Impossible to connect with the control unit.Replace the Air Bag control unit Op.   5580C14 
12CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer present End of diagnosisFault persists Continue to Step 1