Monday, October 9, 2017

P0393 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)

P0393
B6/6 (Left exhaust camshaft Hall sensor) : Short circuit to positive or open circuit (P0393)
Possible cause:
­ B6/6 (Left exhaust camshaft Hall sensor)
Affected functions:
­
­
Engine diagnosis
Engine output
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Check component B6/6 (Left exhaust camshaft Hall sensor).
1. Check component B6/6 (Left exhaust camshaft Hall sensor).
Test 1.1: Check component B6/6 (Left exhaust camshaft Hall sensor) using actual value.
Test 1.2: Check power supply of component B6/6 (Left exhaust camshaft Hall sensor).
Test 1.3: Check assignment of signals from Hall sensors 'Camshafts' and 'Crankshaft'.
1.1. Check component B6/6 (Left exhaust camshaft Hall sensor) using actual value.
Warning!Communication with ECU required.
1.2. Check power supply of component B6/6 (Left exhaust camshaft Hall sensor).
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Page 2022010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
Test prerequisite
­ The actual value is not o.k.
Test sequence
­ Switch off ignition.
­ Detach coupling at component B6/6 (Left exhaust camshaft Hall sensor).
­ [ B6/6 ]Measure direct voltage with multimeter between sockets 1 and 3[ B6/6 ]
­ Switch on ignition.
Specified value
­ Voltage[11.0...15.0] V
Question
­
Is the measurement value OK?
YES
The measurement value is OK.Further possible causes of fault
­ Signal wire
­ B6/6 (Left exhaust camshaft Hall sensor)
End of test
NO
The measurement value is not OK.Possible cause and remedy
­ K40/4f43 (Fuse 43)
­ K40/4kM (Circuit 30z relay)
­ Lines to component B6/6 (Left exhaust camshaft Hall sensor)
End of test
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Page 2032010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
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1.3. Check assignment of signals from Hall sensors 'Camshafts' and 'Crankshaft'.
Check assignment of signals from Hall sensors 'Camshafts' and 'Crankshaft'.
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).
Continue to test with button F2
Page 2042010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
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Figure legend
­ 1Signal from component B6/5 (Right intake camshaft Hall sensor)
­ 2Signal from component B6/7 (Right exhaust camshaft Hall sensor)
­ 3Signal from component B6/4 (Left intake camshaft Hall sensor)
­ 4Signal from component B6/6 (Left exhaust camshaft Hall sensor)
­ 5Signal from component B70 (Crankshaft Hall sensor)
Test prerequisite
­ Voltage supply is o.k.
Test sequence
­
­
­
­
Switch off ignition.
Connect socket box (126­pin) to component N3/10 (ME­SFI [ME] control unit).
ConnectionMeasuring system
Component B6/5 (Right intake camshaft Hall sensor):(A7) Observe oscilloscope pattern between sockets [M16] 16 and [M.57] 57 of
the 126­pole socket box tester. (A.1)
­ Component B6/7 (Right exhaust camshaft Hall sensor):(A7) Observe oscilloscope pattern between sockets [M16] 16 and [M.10] 10
of the 126­pole socket box tester. (A.2)
­ Component B6/4 (Left intake camshaft Hall sensor):(A7) Observe oscilloscope pattern between sockets [M16] 16 and [M.56] 56 of
the 126­pole socket box tester. (A.3)
­ Component B6/6 (Left exhaust camshaft Hall sensor):(A7) Observe oscilloscope pattern between sockets [M16] 16 and [M.34] 34
of the 126­pole socket box tester. (A.4)
­ Component B70 (Crankshaft Hall sensor):(A7) Observe oscilloscope pattern between sockets [M16] 16 and [M.81] 81 of the
126­pole socket box tester. (A5)
­ Start engine.
­ Enter the settings as shown in the right­hand diagram.
Specified value
­ Measuring system
Note
­
Measuring system:Communication with ECU required