Mercedes Benz

Mechanical defect or component Y58/1 (Purge control valve) is permanently open (P0446) Mechanical defect or component Y58/1 (Purge control valve) is permanently open (P0446) Possible cause: ­ Y58/1 (Purge control valve) Affected functions: ­ Fuel system ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 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). Figure legend ­ ­ A ­ConnectionTest cable 35­pin socket box 001 ­Sockets of com...