Y22/9 (Intake manifold tumble flap switchover valve) : Short circuit to ground (P2009)
Y22/9 (Intake manifold tumble flap switchover valve) : Short circuit to ground (P2009)
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component Y22/9 (Intake manifold tumble flap switchover valve).
Test 5: Possible cause:
- Y22/9 (Intake manifold tumble flap switchover valve)
- N10/1kI (Circuit 87 relay, engine)
- N10/1f57 (Fuse 57)
- Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Affected functions:
- Engine output
1. Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value )
Test prerequisite
- The voltage test at component G1 (Battery) is o.k.
- Ignition ON
Status of relevant actual value:
- Battery voltage:Warning! Communication with ECU required.
Specified value
- Battery voltage[11.0 ... 15.0] V
Question:Is the actual value o.k.?
YES
The actual value is okay.End of test
NO
The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30.
- Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30.
Connect socket box to component N3/10 (ME-SFI [ME] control unit).
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 voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester.
- Switch on ignition.
Specified value
- Voltage[11.0...15.0] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.End of test
NO
The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42)
- Lines
End of test
1.3. Test voltage supply of circuit 87.
Connect socket box to component N3/10 (ME-SFI [ME] control unit).
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 voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester.
- Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester.
- Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester.
- Switch on ignition.
Specified value
- Voltage[11.0...15.0] V
Question
- Are the measurement values OK?
YES
The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO
The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43)
- N10/1f44 (Fuse 44)
- N10/1kI (Circuit 87 relay, engine)
- Lines
- N10/1 (Driver-side SAM control unit with fuse and relay module)
End of test
1.4. Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Connect socket box to component N3/10 (ME-SFI [ME] control unit).
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 current consumption of component N10/1kR (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester.
- Switch on ignition.
Specified value
- Amperage[0.1...0.3] A
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
- Lines to component N10/1kR (Circuit 87 relay, engine)
- N10/1kR (Circuit 87 relay, engine)
End of test
1.5. Test voltage supply of circuit 15.
Connect socket box to component N3/10 (ME-SFI [ME] control unit).
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 voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester.
- Switch on ignition.
Specified value
- Voltage[11.0...15.0] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.End of test
NO
The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52)
- Lines
End of test
2. Arrangement of fuses
Figure legend/figure
- N10/1 (Driver-side SAM control unit with fuse and relay module)
Fuses
- FuseF43-F67
Relays
- I =N10/1kI (Circuit 87 relay, engine)
- K =N10/1kK (Circuit 87 relay, chassis)
- L =N10/1kL (Starter relay)
- M =N10/1kM (SEQ [ASG] pump control relay)
- N =N10/1kN (Circuit 15 relay)
- O =N10/1kO (FAN relay module)
- P =N10/1kP (Circuit 15R relay)
- R =N10/1kR (Air pump or oil cooler fan relay)
3. Power supply
Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component Y22/9 (Intake manifold tumble flap switchover valve).
Test 4.1: Test actuation of component Y22/9 (Intake manifold tumble flap switchover valve).
Test 4.2: Test current consumption of component Y22/9 (Intake manifold tumble flap switchover valve).
4.1. 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.
4.2. 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)
5. No further information available.