P0444

[4] Y58/1 (Purge control valve): Open circuit in wiring [P0444]

Check component Y58/1 (Purge control valve)

Test 1: Test actuation of component Y58/1 (Purge control valve)
Test 2: Test current consumption of component Y58/1 (Purge control valve)
Test 3: Perform mechanical inspection of component Y58/1 (Purge control valve)

1 Test actuation of component Y58/1 (Purge control valve)
Communication with ECU required.

2 Test current consumption of component Y58/1 (Purge control valve)

Test prerequisite
- Actuation is not okay.

Test sequence
- Switch off ignition.
- Connect socket box.
- [F.4] 100<-->16 [F.46]
- Switch on ignition

Specified value
- Amperage [0.3...0.5] A

Question: Is the measured value okay?

No
- The measured value is not o.k.
Possible cause and remedy
- Y58/1 (Purge control valve)

Yes
- The measured value is o.k.
Further possible causes of fault
- Perform mechanical inspection of component Y58/1 (Purge control valve).

3 Perform mechanical inspection of component Y58/1 (Purge control valve)

Figure legend





- 019 Vacuum tester
- Y58/1 (Purge control valve)

Test prerequisite
- Actuation is o.k.

Test sequence
- Switch off ignition.
- Connect the vacuum tester to the input of component Y58/1 (Purge control valve) with the 3 x distributor.
- Operate engine at idling speed.
- Engine at operating temperature
- Actuate component Y58/1 (Purge control valve), then with key F2.

Specified value
- Component Y58/1 (Purge control valve) should pulse.
- The value should be > 5 mbar during actuation.The pointer of the vacuum tester swings.

Communication with ECU required.