Sunday, May 23, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 540


3. Power supply



Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)



Possible cause and remedy



- Check voltage supply according to wiring diagram.



4. Check component G3/6 (Right O2 sensor, after TWC [KAT]).



Warning!Communication with ECU required.



0552



G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit between signal line and line to sensor heater (P0136)



Possible cause:



- G3/6 (Right O2 sensor, after TWC [KAT])



Affected functions:



- Engine diagnosis



- Exhaust system



-------------------------------------------------



Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).



1. Check component G3/6 (Right O2 sensor, after TWC [KAT]).



Warning!Communication with ECU required.



0553



G3/5 (Left O2 sensor, after TWC [KAT]) : Short circuit to positive / Resistance of sensor heater too low (P0158)



Possible cause:



- G3/5 (Left O2 sensor, after TWC [KAT])



Affected functions:



- Engine diagnosis



- Exhaust system



-------------------------------------------------



Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).



1. Check component G3/5 (Left O2 sensor, after TWC [KAT]).



Warning!Communication with ECU required.



0554



G3/5 (Left O2 sensor, after TWC [KAT]) : Short circuit to ground (P0156)



Possible cause:



- G3/5 (Left O2 sensor, after TWC [KAT])