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).
10.52SS
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
10.52SS
Page 2032010 Mercedes Benz E 63 AMG Sedan (212.077) V86.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
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
10.52SS
Page 205
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
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).
10.52SS
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
10.52SS
Page 2032010 Mercedes Benz E 63 AMG Sedan (212.077) V86.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
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
10.52SS
Page 205
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
