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Relay 'Circuit 87' ( Engine ) (P2505)

P2505
Relay 'Circuit 87' ( Engine ) (P2505)
Possible cause:
­ N3/10 (ME­SFI [ME] control unit)
­ K40/4kK (Engine electronics and chassis relay)
Affected functions:
­
Battery / On­board electrical system
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Check power supply of component N3/10 (ME­SFI [ME] control unit).
Test 2: Arrangement of fuses
Page 2562010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
Page 257
1. Check power supply of component N3/10 (ME­SFI [ME] control unit).
Test 1.1: Test voltage supply of circuit 87.
1.1. Test voltage supply of circuit 87.
Figure legend
­ A ­ConnectionTest cable 35­pin socket box
­ 001 ­Sockets of component N3/10 (ME­SFI [ME] control unit)
­ 05 ­35­pin socket box
­ 050 ­126­pin socket box
­ 108 ­Test cable 266 589 01 63 00
­ N3/10 (ME­SFI [ME] control unit)
­ II 1­63ConnectionTest cable
­ III 64­126ConnectionTest cable
Warning!
­
­
Connection A of test cable 108 may NOT be connected to connection B of the 126­pin socket box (050).
Test sequence
­ Switch off ignition.
­ Connect socket box (126­pin) to component N3/10 (ME­SFI [ME] control unit).
­ Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126­pole socket box tester.
­ Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126­pole socket box tester.
­ Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126­pole socket box tester.
­ Switch on ignition.
Specified value
­ Voltage[11.0...15.0] V
Question
­
YES
Are the measurement values OK?2010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
The measurement values are OK.Further possible causes of fault
­
Test voltage supply of circuit 30.
NO
The measurement values are not OK.Possible cause and remedy
­ K40/4f43 (Fuse 43)
­ K40/4f44 (Fuse 44)
­ K40/4kK (Engine electronics and chassis relay)
­ Lines
­ K40/4 (Front passenger fuse and relay module)
End of test
2. Arrangement of fuses
Figure legend/figure
­ N10/1 (Front SAM control unit with fuse and relay module)
Fuses
­
FuseF43­F65
Copyright ? 2013, ALLDATA
10.52SS
Page 2582010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
Page 259
Relays
­
­
­
­
­
­
­
­
­
I =N10/1kI (Fanfare horns relay)
M =N10/1kM (Circuit 15R relay)
S =N10/1kS (Starter relay)
Q =N10/1kQ (Wipe ON/OFF relay)
L =N10/1kL (Wipe stage 1 and 2 relay)
K =N10/1kK (Circuit 87 relay, chassis)
R =N10/1kR (Circuit 87 relay, engine)
O =N10/1kO (Air pump relay)
N =N10/1kN (Backup relay)

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