Manufacturer Code Charts: 1185

Y22/9 (Intake manifold tumble flap switchover valve) : Short circuit to positive (P2010)


Possible cause:

- Y22/9 (Intake manifold tumble flap switchover valve)
Affected functions:

- Engine output

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Test 1: Check component Y22/9 (Intake manifold tumble flap switchover valve).

1. Check component Y22/9 (Intake manifold tumble flap switchover valve).

Test 1.1: Test actuation of component Y22/9 (Intake manifold tumble flap switchover valve).

Test 1.2: Test current consumption of component Y22/9 (Intake manifold tumble flap switchover valve).

1.1. Test actuation of component Y22/9 (Intake manifold tumble flap switchover valve).
Test prerequisite

- The vacuum system is leaktight.
Test sequence

- Operate engine at idling speed.
- Actuate component Y22/9 (Intake manifold tumble flap switchover valve).(Actuate with key F2.)
Specified value

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







Warning!Communication with ECU required.


1.2. Test current consumption of component Y22/9 (Intake manifold tumble flap 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.19) 19 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 Y22/9 (Intake manifold tumble flap switchover valve)(N10/1f57 (Fuse 57))
- Wiring from control unit N3/10 (ME-SFI [ME] control unit) to component Y22/9 (Intake manifold tumble flap switchover valve)
- Y22/9 (Intake manifold tumble flap switchover valve)