Monday, March 8, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2616


1.3.2.1.10.1. The measurement value is not OK.



1.3.2.1.10.1. No further information available.



1.3.2.1.10.2. Possible cause and remedy



1.3.2.1.10.2. No further information available.



1.3.2.1.10.3. Test regulator and generator.



Note on alternator testDepending on the engine variant, different alternators are installed.



- Alternators without networking



- Alternators networked with engine control unit



Networked alternators can be diagnosed via the engine control unit.Detailed information on alternator testing can be found in WIS.Press button F2 to



go to WIS documents



1.3.2.1.10.3. No further information available.



1.3.2.2. Resistance test of engine compartment CAN



Test 1.3.2.2.1: Test total resistance of engine compartment CAN.



Test 1.3.2.2.2: Test terminating resistor of component X63/4 (CAN databus adapter connector, 2-pin).



Test 1.3.2.2.3: Test terminating resistor of CAN element in control module N3/10 (ME-SFI [ME] control unit).



1.3.2.2.1. Test total resistance of engine compartment CAN.



Test 1.3.2.2.1.1: Perform measurement at component X63/4 (CAN databus adapter connector, 2-pin).



Test 1.3.2.2.1.2: Perform measurement at component N3/10 (ME-SFI [ME] control unit).



1.3.2.2.1.1. Perform measurement at component X63/4 (CAN databus adapter connector, 2-pin).



Test total resistance of engine compartment CAN.



Figure legend



- X63/4 (CAN databus adapter connector, 2-pin)



Test sequence



- Switch off ignition.



- Measurement with multimeter



- (X63/4) 2.Measure resistance with multimeter between pins 2 and 2.1 (X63/4)



Adapter cable no. W220 589 00 99 36 may be used.Specified value



- [55...65]ohms



Question:



- Is the measured value within the specified value range?