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 [F.8] 104 of the 126-pole socket box tester.
- Switch on ignition.
Specified value
- Amperage[13...18] mA
Question
- Is the measurement value OK?
YES
The test was okay.End of test
NO
The measurement value is not OK.Possible cause and remedy
- Check control line to component N118/3 (Left fuel pump control unit) for Short circuit or open circuit.
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).
3. Signal wire PWM signal Fuel pump
Figure legend
- A -ConnectionTest cable 35-pin socket box
- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)
- 05 -35-pin socket box
- 050 -126-pin socket box
- 108 -Test cable 266 589 01 63 00
- N3/10 (ME-SFI [ME] control unit)
- II 1-63ConnectionTest cable
- III 64-126ConnectionTest cable
Warning!
-
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).
