Mercedes Benz Truck G 550 Diagnostic Trouble Codes 0405

Mercedes-Benz Mercedes Benz OEM Parts Mercedes Benz OE Replacement Parts

0405
Component Y16/2 (Heating system shutoff valve) has a short circuit to positive. (P0115)
Possible cause:
- Y16/2 (Heating system shutoff valve)
Affected functions:
- Heating
-------------------------------------------------
Test 1: Check component Y16/2 (Heating system shutoff valve).
1. Check component Y16/2 (Heating system shutoff valve).
Mercedes Benz Truck G 550 (463.236) V8-5.5L (273.963)  Diagnostic Trouble Codes  Page 462
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 current consumption of component Y16/2 (Heating system shutoff valve).
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 [M.71] 71 of the 126-pole socket box tester.
- Switch on ignition.
Specified value
- Amperage[0.7...1.2] A
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
- N10/1f57 (Fuse 57)
- N10/1kR (Circuit 87 relay, engine)
- Line between component N10/1 (Driver-side SAM control unit with fuse and relay module) and component Y16/2 (Heating system shutoff
valve)
- Line between component N10/1 (Driver-side SAM control unit with fuse and relay module) and component N3/10 (ME-SFI [ME] control
unit)
Mercedes Benz Truck G 550 (463.236) V8-5.5L (273.963)  Diagnostic Trouble Codes  Page 463
- Y16/2 (Heating system shutoff valve)
End of test