Download MB Fault Code Manual 1988-2000

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PMS (PEC) Fuel Injection - Digital
Engines
111 (4 cylinders, 1.8/2.0L engine)
Model Years
1994-97
PMS Stored Fault Codes
Only Stored Fault Codes illuminate the Check Engine Light.(Code Scanner will display the fault code numbers listed under OB15,
Mercedes factory numbers are listed under MB.)
OB15
MB
Description
001
(002)
Coolant temperature sensor, short circuit
002
(003)
Coolant temperature sensor, open circuit
003
(004)
Coolant temperature sensor, incorrect
004
(006)
Intake air temperature sensor, short circuit
005
(007)
Intake air temperature sensor, open circuit
006
(009)
PMS Control unit, Intake manifold pressure implausible
007
(010)
PMS Control unit, No Intake manifold pressure
008
(011)
Idle speed contact closed signal incorrect
009
(068)
Idle speed contact open circuit
010-011
Not used
012
(013)
Potentiometer throttle valve, value too high
013
(014)
Potentiometer throttle valve, value too low
014
(016)
Potentiometer throttle valve drive value too high/incorrect
015
(017)
Potentiometer throttle valve drive value too low/incorrect
016
(019)
Idle speed control at lower control stop area, malfunction
017
(020)
Idle speed control at upper control stop area, malfunction
018
(021)
Idle speed control in limp home-mode (emergency operation)
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
028-030
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
041-044
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)
25