The idle speed with warm engine is below the permissible range limit. (P0506)

The idle speed with warm engine is below the permissible range limit. (P0506)
The idle speed with warm engine is below the permissible range limit. (P0506)
Page 8392010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
Possible cause:
­ M16/3 (Front throttle valve actuator)
­ M16/4 (Rear throttle valve actuator)
­ Inspect the intake system of the engine for leaks.
Affected functions:
­
Engine output
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Test 1: Check component M16/3 (Front throttle valve actuator).
Test 2: Check component M16/4 (Rear throttle valve actuator).
Test 3: Inspect the intake system of the engine for leaks.
Test 4: Check air filter and intake tract for blockage.
1. Check component M16/3 (Front throttle valve actuator).
Test 1.1: Check component M16/3 (Front throttle valve actuator) using actual value.
Test 1.2: Check component M16/3 (Front throttle valve actuator) by means of actuation.
Test 1.3: Check internal resistance of component M16/3m1 (Actuator motor).
Test 1.4: Test voltage supply of the potentiometers of component M16/3 (Front throttle valve actuator).
1.1. Check component M16/3 (Front throttle valve actuator) using actual value.
Test prerequisite
­ Switch ignition on and wait at least for 60 s.
­ Engine not running
Status of the relevant actual values:
­ M16/3 (Front throttle valve actuator) : Voltage 1: Warning! Communication with ECU required.
­ M16/3 (Front throttle valve actuator) : Voltage 2: Warning! Communication with ECU required.
Specified values
­ M16/3 (Front throttle valve actuator)Signal 1(Accelerator not operated): [0.30...1.00] V
­ M16/3 (Front throttle valve actuator)Signal 2(Accelerator not operated): [3.90...4.60] V
­ M16/3 (Front throttle valve actuator)Signal 1(Kickdown switch operated, accelerator fully depressed):[3.80...4.70] V
­ M16/3 (Front throttle valve actuator)Signal 2(Kickdown switch operated, accelerator fully depressed):[0.40...1.00] V
Question
­
Are the actual values o.k.?
YES
The actual values are okay.End of test
NO
At least one of the relevant actual values is not okay.Possible cause and remedy
­
Check power supply of component M16/3 (Front throttle valve actuator).
1.2. Check component M16/3 (Front throttle valve actuator) by means of actuation.
Test prerequisite
­ Operate engine at idling speed.
Note
­
If the throttle valve angle is< 1,1 ?, unmetered air may be present.
Page 8402010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
Status of relevant actual value:
­ Throttle valve angle: Warning! Communication with ECU required.
Move on to actuation with button F2
1.3. Check internal resistance of component M16/3m1 (Actuator motor).
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).
­ Disconnect coupling M at component N3/10 (ME­SFI [ME] control unit).
­ Measure resistance with multimeter between sockets (M.75) 75 and (M.74) 74 of the 126­pole socket box tester.
­ Measure resistance with multimeter between sockets (M.96) 96 and (M.72) 72 of the 126­pole socket box tester.
Specified value
­ Resistor[1...10]ohms
Question
­
Is the measurement value OK?
YES
The measurement value is OK.End of test
Page 8412010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
NO
The measurement value is not OK.Possible cause and remedy
­ Lines between N3/10 (ME­SFI [ME] control unit) and M16/3m1 (Actuator motor)
­ Lines between N3/10 (ME­SFI [ME] control unit) and M16/4m1 (Actuator motor)
­ M16/3m1 (Actuator motor)
­ M16/4m1 (Actuator motor)
End of test
1.4. Test voltage supply of the potentiometers of component M16/3 (Front throttle valve actuator).
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 prerequisite
­ At least one of the relevant actual values is not okay.
­ 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 [M.39] 39 and [M.43] 43 of the 35­pole socket box tester.
­ Switch on ignition.
Specified value
Page 8422010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
­ Voltage[4.75...5.25] V
Question
­
Is the measurement value OK?
YES
The measurement value is OK.Possible cause and remedy
­ Check lines from component M16/3 (Front throttle valve actuator) to component N3/10 (ME­SFI [ME] control unit).
­ Check lines from component M16/4 (Rear throttle valve actuator) to component N3/10 (ME­SFI [ME] control unit).
End of test
NO
The measurement value is not OK.Possible cause and remedy
­ Test wiring for Short circuit.
­ N3/10 (ME­SFI [ME] control unit)
End of test
2. Check component M16/4 (Rear throttle valve actuator).
Test 2.1: Check component M16/3 (Front throttle valve actuator) using actual value.
Test 2.2: Check component M16/3 (Front throttle valve actuator) by means of actuation.
Test 2.3: Check internal resistance of component M16/3m1 (Actuator motor).
Test 2.4: Test voltage supply of the potentiometers of component M16/3 (Front throttle valve actuator).
2.1. Check component M16/3 (Front throttle valve actuator) using actual value.
Test prerequisite
­ Switch ignition on and wait at least for 60 s.
­ Engine not running
Status of the relevant actual values:
­ M16/3 (Front throttle valve actuator) : Voltage 1: Warning! Communication with ECU required.
­ M16/3 (Front throttle valve actuator) : Voltage 2: Warning! Communication with ECU required.
Specified values
­ M16/3 (Front throttle valve actuator)Signal 1(Accelerator not operated): [0.30...1.00] V
­ M16/3 (Front throttle valve actuator)Signal 2(Accelerator not operated): [3.90...4.60] V
­ M16/3 (Front throttle valve actuator)Signal 1(Kickdown switch operated, accelerator fully depressed):[3.80...4.70] V
­ M16/3 (Front throttle valve actuator)Signal 2(Kickdown switch operated, accelerator fully depressed):[0.40...1.00] V
Question
­
Are the actual values o.k.?
YES
The actual values are okay.End of test
NO
At least one of the relevant actual values is not okay.Possible cause and remedy
­
Check power supply of component M16/3 (Front throttle valve actuator).
2.2. Check component M16/3 (Front throttle valve actuator) by means of actuation.
Test prerequisite
­ Operate engine at idling speed.
Note
­
If the throttle valve angle is< 1,1 ?, unmetered air may be present.
Page 8432010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
Status of relevant actual value:
­ Throttle valve angle: Warning! Communication with ECU required.
Move on to actuation with button F2
2.3. Check internal resistance of component M16/3m1 (Actuator motor).
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).
­ Disconnect coupling M at component N3/10 (ME­SFI [ME] control unit).
­ Measure resistance with multimeter between sockets (M.75) 75 and (M.74) 74 of the 126­pole socket box tester.
­ Measure resistance with multimeter between sockets (M.96) 96 and (M.72) 72 of the 126­pole socket box tester.
Specified value
­ Resistor[1...10]ohms
Question
­
Is the measurement value OK?
YES
The measurement value is OK.End of test
Page 8442010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
NO
The measurement value is not OK.Possible cause and remedy
­ Lines between N3/10 (ME­SFI [ME] control unit) and M16/3m1 (Actuator motor)
­ Lines between N3/10 (ME­SFI [ME] control unit) and M16/4m1 (Actuator motor)
­ M16/3m1 (Actuator motor)
­ M16/4m1 (Actuator motor)
End of test
2.4. Test voltage supply of the potentiometers of component M16/3 (Front throttle valve actuator).
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 prerequisite
­ At least one of the relevant actual values is not okay.
­ 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 [M.39] 39 and [M.43] 43 of the 35­pole socket box tester.
­ Switch on ignition.
Specified value
Page 8452010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
Copyright ? 2013, ALLDATA
10.52SS
­ Voltage[4.75...5.25] V
Question
­
Is the measurement value OK?
YES
The measurement value is OK.Possible cause and remedy
­ Check lines from component M16/3 (Front throttle valve actuator) to component N3/10 (ME­SFI [ME] control unit).
­ Check lines from component M16/4 (Rear throttle valve actuator) to component N3/10 (ME­SFI [ME] control unit).
End of test
NO
The measurement value is not OK.Possible cause and remedy
­ Test wiring for Short circuit.
­ N3/10 (ME­SFI [ME] control unit)
End of test
3. Inspect the intake system of the engine for leaks.
Possible cause of fault
­ Unmetered air
Possible remedy
­ Check entire air intake system for unmetered air.
End of test
4. Check air filter and intake tract for blockage.
Possible cause of fault
­ Intake system clogged
Possible remedy
­ Check entire air intake system for unmetered air.
End of test