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Showing posts with label check lines and connectors for loose. Show all posts
Showing posts with label check lines and connectors for loose. Show all posts

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2642

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2642

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

1.1.3.2.1.10. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2640

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2640

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Ground cable

- W15/1 (Ground (right footwell))

End of test

1.1.3.2.1.8.2. Test voltage supply of circuit 87.

Test 1.1.3.2.1.8.2.1: Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).

Test 1.1.3.2.1.8.2.2: Test of cable for voltage supply

Test 1.1.3.2.1.8.2.3: Test procedure ground cable

1.1.3.2.1.8.2.1. Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between sockets (2.21) 55 and (2.43) 77 of the 126-pole socket box tester.

Specified value

- [11...14 V]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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 actual value is not o.k.Note

- This test did not produce any clear result.

- Select further tests.

1.1.3.2.1.8.2.2. Test of cable for voltage supply

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between ground and socket (2.43) 77 of the 126-pole socket box tester.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2577

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2577

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

1.1.3.2.1.8. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2576

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2576

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Lines to component N51 (AIRmatic with ADS control module)

- N10/1f45 (Fuse 45)

End of test

1.1.3.2.1.6.2.3. Test procedure ground cable

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- W15/Measure resistance with multimeter between 1 and (2.21) 55 of the 35-pole socket box tester.

Specified value

- [<1ohms]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Ground cable

- W15/1 (Ground (right footwell))

End of test

Part 3

A/C compressor2 : CAN transmission error of signal from component AC compressor ( Toggle error / Parity error )

1.1.3.2.1.7. Check power supply at control unit N63/1 (DTR control module).

Check power supply at control unit N63/1 (DTR control module).

Test sequence

- Switch off ignition.

- Disconnect coupling 2 at component N63/1 (DTR control module).

- Measure direct voltage with multimeter between sockets (N63/1) 2.8 and (N63/1) 2.4

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2574

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2574

YES

The measurement value is OK.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 actual value is not o.k.Note

- This test did not produce any clear result.

- Select further tests.

1.1.3.2.1.6.1.2. Test of cable for voltage supply

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between ground and socket (2.47) 81 of the 126-pole socket box tester.

Specified value

- [11...14 V]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Lines to component N51 (AIRmatic with ADS control module)

- F34f37 (Fuse 37)

End of test

1.1.3.2.1.6.1.3. Test procedure ground cable

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- W15/Measure resistance with multimeter between 1 and (2.21) 55 of the 35-pole socket box tester.

Specified value

- [<1ohms]

Question

- Is the measurement value OK?

YES

The measurement value is OK.Note

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2544

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2544

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

1.1.3.2.2.10. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

- If fault occurs again:Check alternator.Communication with ECU required

- The quiescent current is too high.Test quiescent current.

NO

Figure legend 1:N71 (Headlamp range adjustment control module)Figure legend 2:N10/1 (Driver-side SAM control unit with fuse and relay

module)Test prerequisite

- The relevant actual value is not okay.

- Battery voltage is OK.

- Fuse N10/1f52 (Fuse 52) is OK.

Test sequence

- Switch off ignition.

- Disconnect connector at component N71 (Headlamp range adjustment control module).

- Measure direct voltage with multimeter between sockets (N71) 20 and (N71) 19

- Switch on ignition.

Specified value:Voltage = [11.0...14.5] VQuestion

- Is the measurement value OK?

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2531

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2531

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

1.1.3.2.2.3. Check power supply at control unit N3/10 (ME-SFI [ME] control unit).

Test 1.1.3.2.2.3.1: Test voltage supply of circuit 87. ( Check using actual value )

Test 1.1.3.2.2.3.2: Test voltage supply of circuit 30.

Test 1.1.3.2.2.3.3: Test current consumption of component N10/1kR (Circuit 87 relay, engine).

Test 1.1.3.2.2.3.4: Test voltage supply of circuit 15.

1.1.3.2.2.3.1. Test voltage supply of circuit 87. ( Check using actual value )

Test prerequisite

- The voltage test at component G1 (Battery) is o.k.

- Ignition ON

Status of relevant actual value:

- Battery voltage:Warning! Communication with ECU required.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2507

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2507

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

2.1.3.2.1.10. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2505

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2505

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Ground cable

- W15/1 (Ground (right footwell))

End of test

2.1.3.2.1.8.2. Test voltage supply of circuit 87.

Test 2.1.3.2.1.8.2.1: Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).

Test 2.1.3.2.1.8.2.2: Test of cable for voltage supply

Test 2.1.3.2.1.8.2.3: Test procedure ground cable

2.1.3.2.1.8.2.1. Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between sockets (2.21) 55 and (2.43) 77 of the 126-pole socket box tester.

Specified value

- [11...14 V]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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 actual value is not o.k.Note

- This test did not produce any clear result.

- Select further tests.

2.1.3.2.1.8.2.2. Test of cable for voltage supply

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between ground and socket (2.43) 77 of the 126-pole socket box tester.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2473

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2473

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

2.1.3.2.1.10. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2471

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2471

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Ground cable

- W15/1 (Ground (right footwell))

End of test

2.1.3.2.1.8.2. Test voltage supply of circuit 87.

Test 2.1.3.2.1.8.2.1: Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).

Test 2.1.3.2.1.8.2.2: Test of cable for voltage supply

Test 2.1.3.2.1.8.2.3: Test procedure ground cable

2.1.3.2.1.8.2.1. Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between sockets (2.21) 55 and (2.43) 77 of the 126-pole socket box tester.

Specified value

- [11...14 V]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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 actual value is not o.k.Note

- This test did not produce any clear result.

- Select further tests.

2.1.3.2.1.8.2.2. Test of cable for voltage supply

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between ground and socket (2.43) 77 of the 126-pole socket box tester.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2461

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2461

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

2.1.3.2.1.3. Check power supply at control unit N3/10 (ME-SFI [ME] control unit).

Test 2.1.3.2.1.3.1: Test voltage supply of circuit 87. ( Check using actual value )

Test 2.1.3.2.1.3.2: Test voltage supply of circuit 30.

Test 2.1.3.2.1.3.3: Test current consumption of component N10/1kR (Circuit 87 relay, engine).

Test 2.1.3.2.1.3.4: Test voltage supply of circuit 15.

2.1.3.2.1.3.1. Test voltage supply of circuit 87. ( Check using actual value )

Test prerequisite

- The voltage test at component G1 (Battery) is o.k.

- Ignition ON

Status of relevant actual value:

- Battery voltage:Warning! Communication with ECU required.

Specified value

- Battery voltage[11.0 ... 15.0] V

Question:Is the actual value o.k.?

YES

The actual value is okay.End of test

NO

The actual value is not o.k.Possible cause and remedy

- Test voltage supply of circuit 30.

- Test voltage supply of circuit 87.

2.1.3.2.1.3.2. Test voltage supply of circuit 30.

Connect socket box to component N3/10 (ME-SFI [ME] control unit).

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

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2422

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2422

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

1.1.3.2.1.10. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2420

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2420

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Ground cable

- W15/1 (Ground (right footwell))

End of test

1.1.3.2.1.8.2. Test voltage supply of circuit 87.

Test 1.1.3.2.1.8.2.1: Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).

Test 1.1.3.2.1.8.2.2: Test of cable for voltage supply

Test 1.1.3.2.1.8.2.3: Test procedure ground cable

1.1.3.2.1.8.2.1. Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between sockets (2.21) 55 and (2.43) 77 of the 126-pole socket box tester.

Specified value

- [11...14 V]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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 actual value is not o.k.Note

- This test did not produce any clear result.

- Select further tests.

1.1.3.2.1.8.2.2. Test of cable for voltage supply

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between ground and socket (2.43) 77 of the 126-pole socket box tester.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2395

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2395

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

1.1.3.2.1.13. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2383

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2383

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Lines to component N47-5 (ESP, SPS [PML] and BAS control unit)

- N10/1f47 (Fuse 47)

End of test

1.1.3.2.1.7.2. Test of cable for voltage supply

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between ground and socket (2.14) 48 of the 126-pole socket box tester.

Specified value

- [11...14 V]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Lines to component N47-5 (ESP, SPS [PML] and BAS control unit)

- N10/1f47 (Fuse 47)

End of test

1.1.3.2.1.7.3. Test procedure ground cable

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- WMeasure resistance with multimeter between 9 and (2.23) 57 of the 35-pole socket box tester.

Specified value

- [<1ohms]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2375

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2375

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

1.1.3.2.1.3. Check power supply at control unit N3/10 (ME-SFI [ME] control unit).

Test 1.1.3.2.1.3.1: Test voltage supply of circuit 87. ( Check using actual value )

Test 1.1.3.2.1.3.2: Test voltage supply of circuit 30.

Test 1.1.3.2.1.3.3: Test current consumption of component N10/1kR (Circuit 87 relay, engine).

Test 1.1.3.2.1.3.4: Test voltage supply of circuit 15.

1.1.3.2.1.3.1. Test voltage supply of circuit 87. ( Check using actual value )

Test prerequisite

- The voltage test at component G1 (Battery) is o.k.

- Ignition ON

Status of relevant actual value:

- Battery voltage:Warning! Communication with ECU required.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2356

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2356

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

1.1.3.2.2.10. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2320

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2320

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 N63/1 (DTR control

module)5A

- Cable for voltage supply

1.1.3.2.1.10. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

- If fault occurs again:Check alternator.Communication with ECU required

- The quiescent current is too high.Test quiescent current.

NO

Figure legend 1:N71 (Headlamp range adjustment control module)Figure legend 2:N10/1 (Driver-side SAM control unit with fuse and relay

module)Test prerequisite

- The relevant actual value is not okay.

- Battery voltage is OK.

- Fuse N10/1f52 (Fuse 52) is OK.

Test sequence

- Switch off ignition.

- Disconnect connector at component N71 (Headlamp range adjustment control module).

- Measure direct voltage with multimeter between sockets (N71) 20 and (N71) 19

- Switch on ignition.

Specified value:Voltage = [11.0...14.5] VQuestion

- Is the measurement value OK?

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2315

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 2315

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Lines to component N47-5 (ESP, SPS [PML] and BAS control unit)

- N10/1f47 (Fuse 47)

End of test

1.1.3.2.1.7.2. Test of cable for voltage supply

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between ground and socket (2.14) 48 of the 126-pole socket box tester.

Specified value

- [11...14 V]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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 measurement value is not OK.Possible cause and remedy

- Lines to component N47-5 (ESP, SPS [PML] and BAS control unit)

- N10/1f47 (Fuse 47)

End of test

1.1.3.2.1.7.3. Test procedure ground cable

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- WMeasure resistance with multimeter between 9 and (2.23) 57 of the 35-pole socket box tester.

Specified value

- [<1ohms]

Question

- Is the measurement value OK?

YES

The measurement value is OK.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

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