The measurement value is not OK.Possible cause and remedy
- Line between component A1 (Instrument cluster) and component N10/1 (Front SAM control unit with fuse and relay module)
- Lines between A1 (Instrument cluster) and W28/1 (Ground, left inner door sill)
- Perform inspection of connector and of socket for bent pins and enlarged contacts.
End of test
1.1.3.2.1.2. Check power supply at control unit A89 (DTR controller unit).
Check power supply at control unit A89 (DTR controller unit).
Figure legend
- A89 (DTR controller unit)
Test prerequisite
- The voltage test at component G1 (Battery) is o.k.
- Fuse 45 in component N10/1 (Driver-side SAM control unit with fuse and relay module) is o.k.
Test sequence
- Switch off ignition.
- Detach coupling at component A89 (DTR controller unit).
- 1.Measure direct voltage with multimeter between sockets 1 and 1.6
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