- Switch off ignition.
- Connect socket box.
- Switch on ignition.
- Measure direct voltage with multimeter between sockets (2.21) 55 and (2.43) 77 of the 126-pole socket box tester.
Specified value
- [11...14 V]
Question
- Is the measurement value OK?
YES
The measurement value is OK.Note
- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose
contact and corrosion..
End of test
NO
The actual value is not o.k.Note
- This test did not produce any clear result.
- Select further tests.
1.1.3.2.1.9.2.2. Test of cable for voltage supply
Test prerequisite
- Battery voltage is OK.
Test sequence
- Switch off ignition.
- Connect socket box.
- Switch on ignition.
- Measure direct voltage with multimeter between ground and socket (2.43) 77 of the 126-pole socket box tester.
Specified value
- [11...14 V]
Question
- Is the measurement value OK?
YES
The measurement value is OK.Note
- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose
contact and corrosion..
End of test
NO
The measurement value is not OK.Possible cause and remedy
- Lines to component N51 (AIRmatic with ADS control module)
- N10/1f45 (Fuse 45)
End of test
1.1.3.2.1.9.2.3. Test procedure ground cable
Test prerequisite
- Battery voltage is OK.
Test sequence
- Switch off ignition.
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