[4] Starter actuation: Signal line is interrupted.

[4] Starter actuation: Signal line is interrupted.

Test 1: Test starter control.

1. Test starter control.

Test 1.1: Arrangement of fuses N10/1 (Driver-side SAM control unit with fuse and relay module)

Test 1.2: Arrangement of relays N10/1 (Driver-side SAM control unit with fuse and relay module)

Test 1.3: Guided test

Test 1.4: Test relay N10/1kL (Starter relay).

1.1. Arrangement of fuses N10/1 (Driver-side SAM control unit with fuse and relay module)
Note

- WIS is not available on this system.
- It is not possible to display the requested WIS document [ gf5415p125603tm ].
- You can start WIS on another system and display the WIS document by entering the document number [ gf5415p125603tm ] in the 'Contents' field.


1.1. No further information available.


1.2. Arrangement of relays N10/1 (Driver-side SAM control unit with fuse and relay module)
Note

- WIS is not available on this system.
- It is not possible to display the requested WIS document [ gf5415p125703tm ].
- You can start WIS on another system and display the WIS document by entering the document number [ gf5415p125703tm ] in the 'Contents' field.


1.2. No further information available.


1.3. Guided test
Signal wire Open circuit
Figure legend

- N10/1 (Driver-side SAM control unit with fuse and relay module)
- N10/1kL (Starter relay)
Special tools

- Test cable 266 589 01 63 00
- Socket box 129 589 00 21 00
Test sequence

- Switch off ignition.
- Connect 35-pole socket box at engine wiring harness.
- Remove relay N10/1kL (Starter relay).
- Measurement is performed at the contact slot of component N10/1kL (Starter relay).
- Measure resistance with multimeter between socket (F.44) 14 of the 35-pole socket box tester and socket (N10/1kL) 2
Specified value

- Resistor< 1,5ohms
Question

- Is the measurement value OK?







YES
The measurement value is OK.Possible cause and remedy

- 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..
- Test relay N10/1kL (Starter relay), replace if necessary.
End of test

NO
The measurement value is not OK.Possible cause and remedy

- Test wiring/ plug connection.
End of test

1.4. Test relay N10/1kL (Starter relay).
Test sequence

- Remove relay N10/1kL (Starter relay).
- Measure resistance with multimeter between pins (87)88a and (30) 88
Specified value

- Resistor:>30 kohms
Note

- The terminal diagram can be opened using button F7.
Question

- Is the measurement value OK?












Test sequence

- Remove relay N10/1kL (Starter relay).
- Measure resistance with multimeter between sockets (N10/1kL)2 and (N10/1) I9.5
- Measure resistance with multimeter between sockets (N10/1kL)3 and (N10/1) B2.5
- Measure resistance with multimeter between sockets (N10/1kL)3 and (N10/1) I9.3
Specified value

- Resistor:<30ohms
Note

- The terminal diagram can be opened using button F7.
Question

- Is the measurement value OK?













YES
The measurement value is OK.Test sequence

- Measure resistance with multimeter between sockets (N10/1kL)5 and (N10/1f59) 1
Specified value

- Resistor:<30ohms
Note

- The terminal diagram can be opened using button F7.
Question

- Is the measurement value OK?













YES
The measurement value is OK.Test sequence

- Measure resistance with multimeter between sockets (N10/1kL)1 and (N10/1f57) 1
- Measure resistance with multimeter between sockets (N10/1kL)1 and (N10/1f44) 1
- Measure resistance with multimeter between sockets (N10/1kL)1 and (N10/1f43) 1
Specified value

- Resistor:<30ohms
Note

- The terminal diagram can be opened using button F7.
Question

- Is the measurement value OK?













YES
The measurement value is OK.Note

- Component N10/1 (Driver-side SAM control unit with fuse and relay module) is OK and may not be replaced.
Possible cause and remedy Check all affected plugs, connectors and electrical components for damage, loose contact, corrosion etc. and repair if necessary.End of test

NO
The measurement value is not OK.Possible cause and remedy in the case of complaint Replace component N10/1 (Driver-side SAM control unit with fuse and relay module).End of test

NO
The measurement value is not OK.Possible cause and remedy in the case of complaint Replace component N10/1 (Driver-side SAM control unit with fuse and relay module).End of test

NO
The measurement value is not OK.Possible cause and remedy in the case of complaint Replace component N10/1 (Driver-side SAM control unit with fuse and relay module).End of test