Manufacturer Code Charts: 1073

Y22/6 (variable intake manifold switchover valve) : Short circuit to positive (P2010)


Possible cause:

- Y22/6 (variable intake manifold switchover valve)
Affected functions:

- Engine output

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Test 1: Check component Y22/6 (variable intake manifold switchover valve).

1. Check component Y22/6 (variable intake manifold switchover valve).

Test 1.1: Test actuation of component Y22/6 (variable intake manifold switchover valve).

Test 1.2: Test current consumption of component Y22/6 (variable intake manifold switchover valve).

1.1. Test actuation of component Y22/6 (variable intake manifold switchover valve).
Test prerequisite

- The vacuum system is leaktight.
Test sequence

- Run the engine for a short time and switch off again.
- Switch on ignition.
- Actuate component Y22/6 (variable intake manifold switchover valve).(Actuate with key F2.)
Specified value

- Testing The rod of the vacuum unit can be seen to operate.(See arrow)







Warning!Communication with ECU required.


1.2. Test current consumption of component Y22/6 (variable intake manifold switchover 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 prerequisites

- Actuation is not OK.
Test sequence

- Measure direct current with multimeter between sockets (F.4) 100 and (M.21) 21 of the 126-pole socket box tester.
- Switch on ignition.
Specified value

- Amperage[0.2...0.6] A
Question

- Is the measurement value OK?


YES
The measurement value is OK.Further possible causes of fault

- Vacuum unit for variable intake manifold
End of test

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

- Voltage supply of component Y22/6 (variable intake manifold switchover valve)(N10/1f57 (Fuse 57))
- Wiring from control unit N3/10 (ME-SFI [ME] control unit) to component Y22/6 (variable intake manifold switchover valve)
- Y22/6 (variable intake manifold switchover valve)