Test current consumption of component Y16/2 (Heating system shutoff valve).
Test sequence
- Switch off ignition.
- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).
- Measure direct current with multimeter between sockets [F.4] 100 and [M.71] 71 of the 126-pole socket box tester.
- Switch on ignition.
Specified value
- Amperage[0.7...1.2] A
Question
- Is the measurement value OK?
YES
The measurement value is OK.End of test
NO
The measurement value is not OK.Possible cause and remedy
- N10/1f57 (Fuse 57)
- N10/1kR (Circuit 87 relay, engine)
- Line between component N10/1 (Driver-side SAM control unit with fuse and relay module) and component Y16/2 (Heating system shutoff
valve)
- Line between component N10/1 (Driver-side SAM control unit with fuse and relay module) and component N3/10 (ME-SFI [ME] control
unit)
- Y16/2 (Heating system shutoff valve)
End of test
0407
Component Y16/2 (Heating system shutoff valve) has an open circuit in the wiring. (P0115)
Possible cause:
- Y16/2 (Heating system shutoff valve)
- N10/1kI (Circuit 87 relay, engine)
- N10/1f57 (Fuse 57)
- Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
