2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 941

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Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).

Test 2: Arrangement of fuses

Test 3: Check component Y10/1 (Power steering pump pressure regulator valve).

1. Check power supply of component N3/10 (ME-SFI [ME] control unit).

Test 1.1: Test voltage supply of circuit 87.

Test 1.2: Test current consumption of component N10/1kR (Circuit 87 relay, engine).

Test 1.3: Test voltage supply of circuit 15.

Test 1.4: Test voltage supply of circuit 87. ( Check using actual value )

Test 1.5: Test voltage supply of circuit 30.

1.1. Test voltage supply of circuit 87.

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!

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- 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 87.