Test prerequisites
- Check plug connection and screw connection B+ to battery, prefuse box and alternator for correct seating.
Test sequence
- Switch off ignition.
- Detach sockets F and M at component N3/10 (ME-SFI [ME] control unit).
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ M.45 ] 45 of the 126-pole socket box tester.
Specified value
- Voltage [ > 11 V ]
Question
- Is the measurement value OK?
YES
Test sequence
- Switch off ignition.
- Reconnect detached couplings.
- Disconnect 2-pin plug from component Generator.
- Connect adapter cable no. 220 589 00 99 35 at component Generator.
- Connect multimeter to red socket of adapter and socket box.
- Measure direct voltage with multimeter between pin [G2] 2 and socket [ M.45 ] 45 of the 126-pole socket box tester.
- Switch on ignition.
Specified value
- Voltage [approx.0 mV ]
Question
- Is the measurement value OK?
YES
The measurement value is OK.Other possible cause of fault
- The alternator regulator is defective
End of test
NO
The measurement value is not OK.Possible cause and remedy
No comments:
Post a Comment