Monday, August 13, 2018

Mercedes Benz Truck G 550 Diagnostic Trouble Codes 0166

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

0166
M16/6 (Throttle valve actuator) : Actual value potentiometer 2 : Short circuit to ground (P0222)
Possible cause:
- M16/6 (Throttle valve actuator)
Affected functions:
- Engine diagnosis
- Engine output
-------------------------------------------------
Test 1: Check component M16/6 (Throttle valve actuator).
1. Check component M16/6 (Throttle valve actuator).
Test 1.1: Check component M16/6 (Throttle valve actuator) using actual value.
Test 1.2: Test voltage supply of the potentiometers of component M16/6 (Throttle valve actuator).
1.1. Check component M16/6 (Throttle valve actuator) using actual value.
Warning!Communication with ECU required.
1.2. Test voltage supply of the potentiometers of component M16/6 (Throttle valve actuator).
Mercedes Benz Truck G 550 (463.236) V8-5.5L (273.963)  Diagnostic Trouble Codes  Page 236
Test prerequisite
- At least one of the relevant actual values is not okay.
- The power supply of component N3/10 (ME-SFI [ME] control unit) is OK.
Test sequence
- Switch off ignition.
- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).
- Measure direct voltage with multimeter between sockets (M.39) 39 and (M.43) 43 of the 35-pole socket box tester.
- Switch on ignition.
Specified value
- Voltage[4.75...5.25] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.Possible cause and remedy
- Check lines from component M16/6 (Throttle valve actuator) to component N3/10 (ME-SFI [ME] control unit).
End of test
NO
The measurement value is not OK.Possible cause and remedy
- N3/10 (ME-SFI [ME] control unit)
End of test