P0447

Y58/4 (Activated charcoal canister shut-off valve) : Open circuit (P0447)


Possible cause:

- Y58/4 (Activated charcoal canister shut-off valve)
Affected functions:

- Engine diagnosis

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Test 1: Check component Y58/4 (Activated charcoal canister shut-off valve). ( Valid for (USA) )

1. Check component Y58/4 (Activated charcoal canister shut-off valve). ( Valid for (USA) )

Test 1.1: Test current consumption of component Y58/4 (Activated charcoal canister shut-off valve).

1.1. Test current consumption of component Y58/4 (Activated charcoal canister shut-off 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).







Test sequence

- Switch off ignition.
- Connect socket box (35-pin) to component N3/10 (ME-SFI [ME] control unit).
- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).
- Measure direct current with multimeter between socket [F.4] 100 of the 126-pole socket box tester and socket [F.57] 27 of the 35-pole socket box tester.
- Switch on ignition.
Specified value:

- Amperage[0.5...1.0] A
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

- K40/4f44 (Fuse 44)
- K40/4kM (Circuit 30z relay)
- Line from component N3/10 (ME-SFI [ME] control unit) to component Y58/4 (Activated charcoal canister shut-off valve)
- Line between component K40/4 (Front passenger fuse and relay module) and component Y58/4 (Activated charcoal canister shut-off valve)
- Y58/4 (Activated charcoal canister shut-off valve)
End of test