2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2833

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

Test 1.3.2.1.1: Check power supply at control unit ME-SFI.

Test 1.3.2.1.2: Check power supply at control unit ESP.

Test 1.3.2.1.3: Check power supply at control unit ETC.

Test 1.3.2.1.4: Check power supply at control unit ESM.

Test 1.3.2.1.5: Check power supply at control unit EZS.

Test 1.3.2.1.6: Check power supply at control unit A1 (Instrument cluster).

Test 1.3.2.1.7: Check power supply at control unit N80 (Steering column module).

Test 1.3.2.1.8: Check power supply at control unit N71 (Headlamp range adjustment control module).

Test 1.3.2.1.9: Check power supply at control unit N93 (Central gateway control unit).

Test 1.3.2.1.10: Check power supply at control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit).

1.3.2.1.1. Check power supply at control unit ME-SFI.

Test 1.3.2.1.1.1: Test voltage supply of circuit 30.

Test 1.3.2.1.1.2: Test current consumption of component N10/1kR (Circuit 87 relay, engine).

Test 1.3.2.1.1.3: Test voltage supply of circuit 15.

1.3.2.1.1.1. 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