6 - 7 hfm-sfi – Mercedes-Benz CS1000 User Manual
Page 124
6 -
7 HFM-SFI
CS1000 Code Scanner
OB15-11
OB15
MB
Description
124
048
(052)
Self-adjustment too lean at Lower part load
(Intake air leak, fuel injectors, diaphragm pressure regulator, wear engine)
049
(053)
Self-adjustment too rich at Upper part load
(Intake air leak, fuel injectors, diaphragm pressure regulator, wear engine)
050
(054)
Self-adjustment too lean at Upper part load
(Intake air leak, fuel injectors, diaphragm pressure regulator, wear engine)
051
(061)
Ignition system output stage 3, Cylinder 1 misfires
052
(062)
Ignition system output stage 3, Cylinder 6 misfires
053
(063)
Ignition system output stage 3, Current value not reached
054
(055)
Ignition system output stage 1, Cylinder 2 misfires
055
(056)
Ignition system output stage 1, Cylinder 5 misfires
056
(057)
Ignition system output stage 1, Current value not reached
057
(058)
Ignition system output stage 2, Cylinder 3 misfires
058
(059)
Ignition system output stage 2, Cylinder 4 misfires
059
(060)
Ignition system output stage 2, Current value not reached
060
(064)
Crankshaft signal incorrect
061
(065)
Crankshaft signal Magnet missing or Number of teeth incorrect
062
(066)
Crankshaft signal Speed incorrect, too high
063
(067)
Camshaft signal incorrect/not recognized
064
(068)
HFM circuit/trimming plug short to ground
065
(069)
HFM circuit/trimming plug open circuit or short to positive
066
(070)
TN speed signal (rpm) Output short to ground
067
(071)
TN speed signal (rpm) Output short to positive
068
(072)
Vehicle speed signal not recognized, short circuit
069
(073)
Vehicle speed signal implausibly high, short circuit
070
(074)
PSV relay K3/1 circuit short to positive
071
Not used
072
(076)
Fuel pump relay open circuit or short circuit
073
Not used
074
(077)
CO potentiometer Input short to positive
075
(079)
Knock sensor 1 signal open circuit
076
(080)
Knock sensor 2 signal open circuit
077
(081)
Ignition timing max retardation reached at least one cylinder
078
(082)
Ignition angle deviation between the individual cylinders too high
079
(083)
Knock control analysis, HFM control unit defective
080
(084)
Short-term self-adjustment Idle/Part-load fault
081
(085)
Air pump relay-module/switch-valve output, open circuit or short circuit