2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 661

Warning!Communication with ECU required.

0850

Y58/1 (Purge control valve) : Short circuit to ground / Switchover valve permanently open (P0458)

Possible cause:

- Y58/1 (Purge control valve)

Affected functions:

- Engine diagnosis

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Test 1: Check component Y58/1 (Purge control valve).

1. Check component Y58/1 (Purge control valve).

Test 1.1: Actuate component Y58/1 (Purge control valve).

Test 1.2: Test current consumption of component Y58/1 (Purge control valve).

Test 1.3: Perform mechanical inspection of component Y58/1 (Purge control valve).

1.1. Actuate component Y58/1 (Purge control valve).

Test sequence

- Switch on ignition.

- Actuate component Y58/1 (Purge control valve).(Operate pushbutton F2.)

Warning!Communication with ECU required.

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