contact and corrosion..
End of test
NO
The measurement value is not OK.Possible cause and remedy
- Ground cable
- W9 (Ground (at front left headlamp unit))
End of test
1.1.3.2.1.10. Check power supply at control unit N51 (AIRmatic with ADS control module).
Test 1.1.3.2.1.10.1: Test voltage supply of circuit 30.
Test 1.1.3.2.1.10.2: Test voltage supply of circuit 87.
1.1.3.2.1.10.1. Test voltage supply of circuit 30.
Test 1.1.3.2.1.10.1.1: Test voltage of terminal 30 at control unit N51 (AIRmatic with ADS control module).
Test 1.1.3.2.1.10.1.2: Test of cable for voltage supply
Test 1.1.3.2.1.10.1.3: Test procedure ground cable
1.1.3.2.1.10.1.1. Test voltage of terminal 30 at control unit N51 (AIRmatic with ADS control module).
Test prerequisite
- Battery voltage is OK.
Status of the relevant actual values:
- Terminal 30:Warning! Communication with ECU required.
Test sequence
- Switch off ignition.
- Connect socket box.
- Switch on ignition.
- Measure direct voltage with multimeter between sockets (2.21) 55 and (2.47) 81 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.
1.1.3.2.1.10.1.2. 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 (2.47) 81 of the 126-pole socket box tester.
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