Mercedes-Benz CS1000 manual Pms

6 - 7 PMS

CS1000 Code Scanner OB15-11

OB15	MB	Description
019	(022)	O2 sensor voltage too large
020	(023)	O2 sensor, open circuit
021	(024)	O2 sensor signal illogical
022	(069)	Exhaust flap short to positive
023	(070)	Exhaust flap open circuit or short to ground
024		Not used
025	(025)	O2 sensor heater current (amps) too small
026	(026)	O2 sensor heater current (amps) too large
027	(027)	O2 sensor heater, short circuit
028		Not used
029		Not used
030		Not used
031	(028)	Fuel adaptation (lambda) control mixture too lean	(Intake air leak, fuel
		injectors, diaphragm pressure regulator)
032	(029)	Fuel adaptation (lambda) control mixture too rich	(Intake air leak, fuel
		injectors, diaphragm pressure regulator)
033	(030)	Injection valve cylinder 1/4 short to positive
034	(031)	Injection valve cylinder 1/4 open circuit or short to ground
035	(032)	Injection valve cylinder 2/3 short to positive
036	(033)	Injection valve cylinder 2/3 open circuit or short to ground
037	(064)	Input signal from IFZ, open circuit or short to positive
038	(065)	Input signal from IFZ, short to ground
039	(066)	IFZ system unresponsive
040	(067)	Input signal from IFZ incorrect
041		Not used
042		Not used
043		Not used
044		Not used
045	(034)	Self-adjustment too rich at Idle
		(Intake air leak, fuel injectors, diaphragm pressure regulator, wear engine)
046	(035)	Self-adjustment too lean at Idle
		(Intake air leak, fuel injectors, diaphragm pressure regulator, wear engine)
047	(036)	Self-adjustment too rich at Part load (Intake air leak, fuel injectors, diaphragm
		pressure regulator, wear engine)
048	(037)	Self-adjustment too lean at Part load
		(Intake air leak, fuel injectors, diaphragm pressure regulator, wear engine)
049		Not used

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