Skip to main content

Posts

Showing posts with the label P2440

P2440

P2440 The secondary air valve (cylinder bank 1) is jammed open. (P2440) Possible cause: ­ Y32 (Air pump switchover valve) Affected functions: ­ Engine diagnosis ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Test 1: Check component Y32 (Air pump switchover valve). 1. Check component Y32 (Air pump switchover valve). Test 1.1: Test actuation of component Y32 (Air pump switchover valve). Test 1.2: Test current consumption of component Y32 (Air pump switchover valve). 1.1. Test actuation of component Y32 (Air pump switchover valve). Test sequence ­ ­ Operate engine at idling speed. Actuate component Y32 (Air pump switchover valve).(Actuate with key F2.) Warning!Communication with ECU required. 10.52SS Page 2182010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS 1.2. Test current consumption of component Y32 (Air pump switchover valve). Figure legend ­ A ­ConnectionTest cable 35­pin socket box ­ 001 ­Sockets of compone...