BMW Diagnostic & Repair, BMW Wiring Diagrams, BMW Fault Codes (DTC), BMW Technical Service Bulletins, BMW Service Information
Saturday, 14 November 2020
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Tuesday, 7 April 2020
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 814
YES
The actual value is okay.Further possible causes of fault
- Check internal resistance of component B2/5b1 (Intake air temperature sensor).
NO
The actual value is not o.k.Possible cause and remedy
- Signal wire
End of test
1.3. Check internal resistance of component B2/5b1 (Intake air temperature sensor).
Test sequence
- Switch off ignition.
- Detach coupling at component B2/5 (Hot film mass air flow sensor).
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2070
- A89 (DTR controller unit)
Test prerequisite
- The voltage test at component G1 (Battery) is o.k.
- Fuse 45 in component N10/1 (Driver-side SAM control unit with fuse and relay module) is o.k.
Test sequence
- Switch off ignition.
- Detach coupling at component A89 (DTR controller unit).
- 1.Measure direct voltage with multimeter between sockets 1 and 1.6
- Switch on ignition.
Specified value
- [11.0 ... 14.5] V
Question
- Is the value o.k.?
YES
Note
- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose
contact and corrosion..
End of test
NO
The measured value is not within the specified value range.Possible cause and remedy
- Cables between component N10/1 (Driver-side SAM control unit with fuse and relay module) and control module A89 (DTR controller unit)
- Plug connection X11/36
Monday, 6 April 2020
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2160
1.1.3.2.1.13. Check power supply at control unit N73 (EIS [EZS] control unit).
Test prerequisite
- Battery voltage is OK.
- Fuse F34f29 (Fuse 29) is OK.
Status of relevant actual value:
- Power supply:Warning! Communication with ECU required.
Specified value
- Power supply [11.0...14.5] V
Question
- Is the actual value o.k.?
YES
The actual value is okay.Possible cause and remedy
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 822
Test sequence
- Switch off ignition.
- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).
- Measure direct current with multimeter between sockets [F.4] 100 and [F.19] 115 of the 126-pole socket box tester.
- Switch on ignition.
Warning!Perform the measurement only for a short time so that component M33 (electric air pump) does not overheat.Specified value
- Amperage[0.1...0.3] A
- Component M33 (electric air pump) is switched on and is heard to run.
Question
- Is the measurement value OK?
YES
The test was okay.End of test
NO
The measurement value is not OK.Possible cause and remedy
- N10/1f61 (Fuse 61)
- Lines to component N10/1kR (Air pump or oil cooler fan relay)
- N10/1kR (Air pump or oil cooler fan relay)
End of test
1066
Relay for air pump : Short circuit to ground (P2257)
Possible cause:
- N10/1kP (Secondary air injection relay)
- N10/1kR (Air pump or oil cooler fan relay)
- N10/1f61 (Fuse 61)
Affected functions:
- Engine diagnosis
-------------------------------------------------
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2569
Question
- Is the measurement value OK?
YES
The measurement value is OK.End of test
NO
The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52)
- Lines
End of test
Part 2
A/C compressor2 : CAN transmission error of signal from component AC compressor ( Toggle error / Parity error )
1.1.3.2.1.2. Check power supply at control unit N15/3 (ETC [EGS] control unit).
Test 1.1.3.2.1.2.1: Guided test
1.1.3.2.1.2.1. Guided test
Operation number of operation texts and work units or standard texts and flat rates:27-0641Possible cause
- Battery has incorrect charge state or is faulty.
- Local undervoltage of component N15/3 (ETC [EGS] control unit)
Test sequence
- Erase fault memory.
Continue with button "F2"
Warning!Communication with ECU required.
1.1.3.2.1.3. Check power supply at control unit N15/5 (Electronic selector lever module control unit).
Operation number of operation texts and work units or standard texts and flat rates:27-0641Test sequence
- Switch off ignition.
- Disconnect connector at component N15/5 (Electronic selector lever module control unit).
- Switch on ignition.
- [A.2] Measure direct voltage with multimeter between 2 and 1 [A.1]
Status of relevant actual value:
- Supply voltage (tml. 15):Warning! Communication with ECU required.
Specified value
- Voltage[7.0...16.0] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.Possible cause and remedy
Sunday, 5 April 2020
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2350
YES
The measurement value is OK.End of test
NO
The measurement value is not OK.Possible cause and remedy
- Line from component N10/1 (Front SAM control unit with fuse and relay module) to component N15/6 (Sprintshift control module)
End of test
NO
The measurement value is not OK.Possible cause and remedy
- Check fuse "f63" (voltage supply from control unit ASG) in component N10/1 (Front SAM control unit with fuse and relay module).
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 788
- Test current consumption of component M3 (Fuel pump).
- Fuel filter with integrated pressure regulator
1.1.3.2. Test delivery of component M3 (Fuel pump).
Figure legend
- A -ConnectionTest cable 35-pin socket box
- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)
- 05 -35-pin socket box
- 050 -126-pin socket box
- 108 -Test cable 266 589 01 63 00
- N3/10 (ME-SFI [ME] control unit)
- II 1-63ConnectionTest cable
- III 64-126ConnectionTest cable
Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).
Continue to test with button F2
Figure legend
- 055Measuring beaker
Test sequence
- Switch off ignition.
- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).
- Separate fuel feed hose at the fuel line and hold in a suitable measuring beaker.
- Insert bridge.:
- Bridge between sockets [F.4] 100 and [F17] 113 of the 126-pole socket box tester.
- Switch on ignition.<->Component M3 (Fuel pump) runs.
Specified value
- 1 liters of fuel should flow in a maximum of 20 seconds.
Question
- Is the measurement value OK?
Saturday, 4 April 2020
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 272
Test sequence
- Switch off ignition.
- Disconnect coupling M at component N3/10 (ME-SFI [ME] control unit).
- Measure resistance with multimeter between sockets (M.75) 75 and (M.74) 74 of the 126-pole socket box tester.
Specified value
- Resistor[1...10]ohms
Question
- Is the measurement value OK?
YES
The measurement value is OK.End of test
NO
The measurement value is not OK.Possible cause and remedy
- Lines between N3/10 (ME-SFI [ME] control unit) and M16/6m1 (Actuator motor)
- M16/6m1 (Actuator motor)
End of test
1.3. Test voltage supply of the potentiometers of component M16/6 (Throttle valve actuator).
Test prerequisite
- At least one of the relevant actual values is not okay.
- The power supply of component N3/10 (ME-SFI [ME] control unit) is OK.
Test sequence
- Switch off ignition.
- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).
- Measure direct voltage with multimeter between sockets (M.39) 39 and (M.43) 43 of the 35-pole socket box tester.
- Switch on ignition.
Specified value
- Voltage[4.75...5.25] V
Question
- Is the measurement value OK?
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 51
YES
The measurement value is OK.Possible cause and remedy
- Inspect connector 1 at control unit N80 (Steering column module) for damage, correct connection, loose contact and corrosion and repair, if
necessary.
End of test
NO
The measurement value is not OK.Possible cause and remedy
- Plug connection at control unit N80 (Steering column module)
- Line between component N80 (Steering column module) and component W12 (Ground, center console)
- Line between component N80 (Steering column module) and component F34f33 (Fuse 33)
End of test
1.3.2.1.7.2. Test voltage supply of circuit 30 by means of actual value.
Test prerequisites
- Relevant fault codes exist or a complaint has been received.
- Battery voltage is OK.
- Fuse F34f33 (Fuse 33) in component F34 (Interior fuse box) is o.k.
Status of relevant actual value:
- Voltage at terminal 30:Warning! Communication with ECU required.
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1385
- A -ConnectionTest cable 35-pin socket box
- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)
- 05 -35-pin socket box
- 050 -126-pin socket box
- 108 -Test cable 266 589 01 63 00
- N3/10 (ME-SFI [ME] control unit)
- II 1-63ConnectionTest cable
- III 64-126ConnectionTest cable
Warning!
-
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).
Continue to test with button F2
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester.
- Switch on ignition.
Specified value
- Voltage[11.0...15.0] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.End of test
NO
The measurement value is not OK.Possible cause and remedy
Friday, 3 April 2020
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2475
YES
The measurement value is OK.Figure legend 1:N71 (Headlamp range adjustment control module)Figure legend 2:N10/1 (Driver-side SAM control
unit with fuse and relay module)Possible cause or remedy in case of malfunction
- Inspect plug connections N71x1 and (N10/1) I10 for damage, loose contact and corrosion, and repair if necessary.
- N71 (Headlamp range adjustment control module)
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 3137
Test 1.3.2.1.10.1: The measurement value is not OK.
Test 1.3.2.1.10.2: Possible cause and remedy
Test 1.3.2.1.10.3: Test regulator and generator.
1.3.2.1.10.1. The measurement value is not OK.
1.3.2.1.10.1. No further information available.
1.3.2.1.10.2. Possible cause and remedy
1.3.2.1.10.2. No further information available.
1.3.2.1.10.3. Test regulator and generator.
Note on alternator testDepending on the engine variant, different alternators are installed.
- Alternators without networking
- Alternators networked with engine control unit
Networked alternators can be diagnosed via the engine control unit.Detailed information on alternator testing can be found in WIS.Press button F2 to
go to WIS documents
1.3.2.1.10.3. No further information available.
1.3.2.2. Resistance test of engine compartment CAN
Test 1.3.2.2.1: Test total resistance of engine compartment CAN.
Test 1.3.2.2.2: Test terminating resistor of component X63/4 (CAN databus adapter connector, 2-pin).
Test 1.3.2.2.3: Test terminating resistor of CAN element in control module N3/10 (ME-SFI [ME] control unit).
1.3.2.2.1. Test total resistance of engine compartment CAN.
Test 1.3.2.2.1.1: Perform measurement at component X63/4 (CAN databus adapter connector, 2-pin).
Test 1.3.2.2.1.2: Perform measurement at component N3/10 (ME-SFI [ME] control unit).
1.3.2.2.1.1. Perform measurement at component X63/4 (CAN databus adapter connector, 2-pin).
Test total resistance of engine compartment CAN.
Figure legend
- X63/4 (CAN databus adapter connector, 2-pin)
Test sequence
- Switch off ignition.
- Measurement with multimeter
- (X63/4) 2.Measure resistance with multimeter between pins 2 and 2.1 (X63/4)
Adapter cable no. W220 589 00 99 36 may be used.Specified value
- [55...65]ohms
Question:
- Is the measured value within the specified value range?
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1017
The actual value is okay.End of test
NO
The actual value is not o.k.Possible cause and remedy
- Check power supply of component B28 (Pressure sensor).
- Test signal voltage of component B28 (Pressure sensor).
Further possible causes of fault
- Vacuum line
2.2. Check power supply of component B28 (Pressure sensor).
Figure legend
- B28 (Pressure sensor)
- 126/1 -'Secondary air injection left bank of cylinders' shutoff valve
Test prerequisite
- The actual value is not o.k.
Test sequence
- Switch off ignition.
- Detach coupling at component B28 (Pressure sensor).
- Measure direct voltage with multimeter between sockets (B28) 1 and (B28) 3
- Switch on ignition.
Specified value
- Voltage[4.75...5.25] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.Further possible causes of fault
- Test signal voltage of component B28 (Pressure sensor).
NO
The measurement value is not OK.Possible cause and remedy
- Lines to component N3/10 (ME-SFI [ME] control unit)
Thursday, 2 April 2020
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 42
- A1 (Instrument cluster)
- N3/10 (ME-SFI [ME] control unit)
- N73 (EIS [EZS] control unit)
- N47-5 (ESP and BAS control module)
- N15/3 (ETC [EGS] control unit)
- N15/5 (Electronic selector lever module control unit)
- N71 (Headlamp range adjustment control module)
- N93 (Central gateway control unit)
- N15/6 (Sprintshift control module)
- N80 (Steering column module)
- X11/4 (Diagnosis test connector)
- X63/4 (CAN databus adapter connector, 2-pin)
- Installation point of plug connection X63/4 (CAN databus adapter connector, 2-pin)
- Communication with ECU required
1.3.1.2. Wiring diagram of CAN bus
Note
- WIS is not available on this system.
- It is not possible to display the requested WIS document [ PE0019P2200TA ].
- You can start WIS on another system and display the WIS document by entering the document number [ PE0019P2200TA ] in the 'Contents'
field.
1.3.1.2. No further information available.
1.3.2. Measurements with multimeter on CAN network
Test 1.3.2.1: Voltage supply of engine compartment CAN control modules
Test 1.3.2.2: Resistance test of engine compartment CAN
1.3.2.1. Voltage supply of engine compartment CAN control modules
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2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2411
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester.
- Switch on ignition.
Specified value
- Voltage[11.0...15.0] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.End of test
NO
The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42)
- Lines
End of test
1.1.3.2.1.3.3. Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Connect socket box to component N3/10 (ME-SFI [ME] control unit).
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 956
Test 1: Check component M16/6 (Throttle valve actuator).
1. Check component M16/6 (Throttle valve actuator).
Test 1.1: Throttle valve jamming (iced up)
1.1. Throttle valve jamming (iced up)
Fault freeze frame data
Intake air temperature [锟斤拷C] ( Limit value : 1 锟斤拷C )
Test 1.1.1: Check component M16/6 (Throttle valve actuator) using actual value.
Test 1.1.2: Check internal resistance of component M16/6 (Throttle valve actuator).
Test 1.1.3: Perform mechanical inspection of component M16/6 (Throttle valve actuator).
1.1.1. Check component M16/6 (Throttle valve actuator) using actual value.
Warning!Communication with ECU required.
1.1.2. Check internal resistance of component M16/6 (Throttle valve actuator).
Figure legend
- A -ConnectionTest cable 35-pin socket box
- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)
- 05 -35-pin socket box
- 050 -126-pin socket box
- 108 -Test cable 266 589 01 63 00
- N3/10 (ME-SFI [ME] control unit)
- II 1-63ConnectionTest cable
- III 64-126ConnectionTest cable
Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).
Continue to test with button F2
Test prerequisites
- The throttle flap of component M16/6 (Throttle valve actuator) should operate freely and must not stick or rub.
- At least one of the relevant actual values is not okay.
Wednesday, 1 April 2020
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2490
2.1.1.3.1. No further information available.
2.1.1.3.2. High-Speed CAN (125 kBit/s , 500 kBit/s)
General CAN fundamentals
High-Speed CAN (125 kBit/s , 500 kBit/s)
- 125 kBit/s : Interior CAN busSeries 221
- 125 kBit/s : Telematic CAN busSeries 221
- 500 kBit/s : For example:Drive train CAN bus
- 500 kBit/s : For example:Diagnostic CAN-Bus
- This CAN bus does not permit single-wire mode.
- This means that both CAN lines are always required for fault-free communication between the control units.
- This CAN bus requires external terminating resistors.
- The terminating resistors can be located in control units or voltage distributors depending on the CAN bus.
Legend and description for figure 1CAN-H: CAN bus HighCAN-L: CAN bus LowECU 1 ... n: Control unit 1 ... nCAN terminating resistor (
Example: 120ohms)Legend and description for figure 2U 1: Specification approx. 3,6 voltsU 2: Specification approx. 2,5 voltsU 3: Specification
approx. 1,4 voltsContinue with button F2
2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1890
YES
Test sequence
- Switch off ignition.
- Separate plug connection at transmission.
- Measure voltage in transmission wiring harness using a multimeter.
- Measure resistance with multimeter between ground and 3
Specified value
- Resistance measured: [OL] ohms
Question
- Is the measurement value OK?