Manufacturer Code Charts: 1305

Component Y10/1 (Power steering pump pressure regulator valve) has a short circuit to positive.


Possible cause:

- Y10/1 (Power steering pump pressure regulator valve)
Affected functions:

- Steering Function

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Test 1: Check component Y10/1 (Power steering pump pressure regulator valve).

1. Check component Y10/1 (Power steering pump pressure regulator valve).
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).
Continue to test with button F2







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.5] 5 of the 126-pole socket box tester.
- Switch on ignition.
Specified value

- Amperage [1.5...2.2] A
Question

- Is the measurement value OK?


YES
The measurement value is OK.Possible cause and remedy

- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose contact and corrosion..
End of test

NO
The measurement value is not OK.Possible cause and remedy

- N10/1f54 (Fuse 54)
- Check line from control module N3/10 (ME-SFI [ME] control unit) to component Y10/1 (Power steering pump pressure regulator valve).
- Y10/1 (Power steering pump pressure regulator valve)
End of test