NO
The measurement value is not OK.Possible cause and remedy
- Check lines to components N3/10 (ME-SFI [ME] control unit) and N118/3 (Left fuel pump control unit) as per wiring diagram.
Further possible remedies
- Read fault memories of the control units N118/3 (Left fuel pump control unit) and N3/10 (ME-SFI [ME] control unit).
2. Check power supply at control unit N118 (Fuel pump control module).
Possible cause and remedy
- Test fuse, replace if necessary
-
Question
- Is fuse OK?
YES
Test prerequisite
Test sequence
- Switch on ignition.
- Unplug 4-pin connector from component N118 (Fuel pump control module).
- Measure voltage at the unclipped cable.(Ground- Positive)
- Measure direct voltage with multimeter between sockets (N118) 1.2 and (N118) 1.1
Specified values
- Voltage: [11.0 ... 14.5] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.Further possible causes of fault
- Inspect plug connections for corrosion, pinched insulation and loose contact.
End of test
NO
The measurement value is not OK.Possible cause and remedy
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