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(P2127) Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)

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Check potentiometer of component B37 (Accelerator pedal sensor). Hall sensor 2 : Short circuit to ground or open circuit
(P2127)
Possible cause:
­ B37 (Accelerator pedal sensor)
Affected functions:
­
­
Engine diagnosis
Engine output
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Check component B37 (Accelerator pedal sensor).
1. Check component B37 (Accelerator pedal sensor).
Test 1.1: Check component B37 (Accelerator pedal sensor) using actual value.
Test 1.2: Check power supply of component B37 (Accelerator pedal sensor).
1.1. Check component B37 (Accelerator pedal sensor) using actual value.
Test sequence
­ Switch on ignition.
Status of the relevant actual values:
­ Idle speed detection:Warning!
­ Full load detection:Warning!
­ B37 (Pedal value sensor) Voltage 1:Warning! Communication with ECU required.
­ B37 (Pedal value sensor) Voltage 2:Warning! Communication with ECU required.
Specified values
­
­
­
Accelerator pedal position:Idle speed
B37 (Accelerator pedal sensor)Signal1 : [0.2...0.5] V
B37 (Accelerator pedal sensor)Signal2 : [0.1...0.5] V
­ Accelerator pedal position:Kickdown
­ B37 (Accelerator pedal sensor)Signal1 : [4.3...4.8] V
­ B37 (Accelerator pedal sensor)Signal2 : [2.1...2.5] V
Question
­
Are the actual values o.k.?
YES
The actual values are okay.End of test
NO
The actual values are not okay.Possible cause and remedy
­
­
­
Check power supply of component B37 (Accelerator pedal sensor).
Check lines from component N3/10 (ME­SFI [ME] control unit) to component B37 (Accelerator pedal sensor).
B37 (Accelerator pedal sensor)
1.2. Check power supply of component B37 (Accelerator pedal sensor).
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 cable2010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
Page 39
­ III 64­126ConnectionTest cable
Warning!
­
­
Connection A of test cable 108 may NOT be connected to connection B of the 126­pin socket box (050).
Test prerequisite
­ The actual value is not o.k.
­ The power supply of component N3/10 (ME­SFI [ME] control unit) is OK.
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.10] 106 and [F.23] 119 of the 126­pole socket box tester.
­ Measure direct voltage with multimeter between sockets [F.11] 107 and [F.23] 119 of the 126­pole socket box tester.
­ Switch on ignition.
Specified value
­ Voltage[4.75...5.25] V
Question
­
Are the measurement values OK?
YES
The measurement values are OK.Further possible causes of fault
­ Signal lines
­ B37 (Accelerator pedal sensor)
End of test
NO
The measurement values are not OK.Possible cause and remedy
­ Cable for voltage supply
End of test2010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
P2120
B37 (Accelerator pedal sensor) : Power supply (P2120)
Possible cause:
­ B37 (Accelerator pedal sensor)
Affected functions:
­
­
Engine diagnosis
Engine output
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Check component B37 (Accelerator pedal sensor).
1. Check component B37 (Accelerator pedal sensor).
Test 1.1: Check component B37 (Accelerator pedal sensor) using actual value.
Test 1.2: Check power supply of component B37 (Accelerator pedal sensor).
1.1. Check component B37 (Accelerator pedal sensor) using actual value.
Test sequence
­ Switch on ignition.
Status of the relevant actual values:
­ Idle speed detection:Warning!
­ Full load detection:Warning!
­ B37 (Pedal value sensor) Voltage 1:Warning! Communication with ECU required.
­ B37 (Pedal value sensor) Voltage 2:Warning! Communication with ECU required.
Specified values
­
­
­
Accelerator pedal position:Idle speed
B37 (Accelerator pedal sensor)Signal1 : [0.2...0.5] V
B37 (Accelerator pedal sensor)Signal2 : [0.1...0.5] V
­ Accelerator pedal position:Kickdown
­ B37 (Accelerator pedal sensor)Signal1 : [4.3...4.8] V
­ B37 (Accelerator pedal sensor)Signal2 : [2.1...2.5] V
Question
­
Are the actual values o.k.?
YES
The actual values are okay.End of test
NO
The actual values are not okay.Possible cause and remedy
­
­
­
Check power supply of component B37 (Accelerator pedal sensor).
Check lines from component N3/10 (ME­SFI [ME] control unit) to component B37 (Accelerator pedal sensor).
B37 (Accelerator pedal sensor)
1.2. Check power supply of component B37 (Accelerator pedal sensor).
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
Page 402010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
Page 41
­ 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 prerequisite
­ The actual value is not o.k.
­ The power supply of component N3/10 (ME­SFI [ME] control unit) is OK.
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.10] 106 and [F.23] 119 of the 126­pole socket box tester.
­ Measure direct voltage with multimeter between sockets [F.11] 107 and [F.23] 119 of the 126­pole socket box tester.
­ Switch on ignition.
Specified value
­ Voltage[4.75...5.25] V
Question
­
Are the measurement values OK?
YES
The measurement values are OK.Further possible causes of fault
­ Signal lines
­ B37 (Accelerator pedal sensor)
End of test
NO
The measurement values are not OK.Possible cause and remedy2010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
­ Cable for voltage supply
End of test

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Location: 7020 Bear State Rd, Georgetown, CA 95634, USA

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