Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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1 424 I,,,.,,,,,,, IAutodata ME RCE D ES-B E NZ I Engine management Model: C180/200/200W220/230/230K/280 (202) E200122012801320 (1 24) E200123012801320 (210) S2801320 (140) SLK200 (170) SL2801320 (129) . , Probable cause 1 32 I Knock sensor(s) (KS) - defective ( Wiring, KS 33 34 Ignition timing, knocking - maximum retardation reached Engine control module (ECM), knock control - internal fault 35 I Seconda~y air injection (AIR) pumplrelay - malfunction 1 Wiring, AIR pumplrelay, ECM 36 37 Evaporative emission (EVAP) canister purge valve - electrical fault Transmission shift control valve - electrical fault Fuel contamination, mechanical fault 38 I Camshaft position (CMP) actuator - malfunction I Wiring, mechanical fault, CMP actuator, ECM 39 I Exhaust gas recirculation (EGR) solenoid - malfunction I Wiring, EGR solenoid, hose(s) 40 41 Transmission overload protection switch - malfunction CAN data bus, ECM - malfunction ECM 42 1 111: CAN data bus, diagnostic module - malfunction I Wiring 1 104: CAN data bus - malfunction I Wiring 43 45 Engine control module (ECM), pin 50 - starter signal With cruise control system: Cruise control, inertia fuel shut-off (IFS) switch - active Wiring, EVAP canister purge valve, hose@), ECM Wiring, transmission shift control valve Wiring, transmission overload protection switch Wiring, ECM 46 I Intake manifold air control solenoid - malfunction I Wiring, intake manifold air control solenoid, ECM 48 49 Oxygen sensor heater relay 2 - electrical fault Engine control module (ECM) - supply voltage 50 I Engine control module (ECM) - internal fault I ECM -12192: Code may be displayed although no fault exists E-Class (1 24) -07193 Wiring Wiring, TP sensor, idle speed control (ISC) actuator Wiring, oxygen sensor heater relay, ECM Wiring, ignition switch, overvoltage protection relay

Model: C18012001200K122012301230K/280 (202) E200122012801320 (124) E200123012801320 (210) S2801320 (140) SLK200 (170) SL2801320 (129) Year: 1993-98 Engine code: 104.9411942194319441945, 104.991199219941995, 11 1.9201921, 11 1.9401941 1942194419451946, 111.9601961, 111.97019741975 System: Bosch HFM Bosch HFM-SF1 Siemens PMS Trouble codes: Three-digit MERCEDES-BEN2 Engine management C-Class, S-Class, SLK General information n Refer to the front of this manual for aeneral test conditions, terminology, detailed descriptions ofwiring faults and a general trouble shooter for electrical and mechanical faults. Trouble codes are displayed by using an LED connected to the data link connector (DLC). The ECM fault memory can also be checked using diagnostic equipment connected to the data link connector (DLC). Diagnostic equipment can also be used to erase data from ECM fault memory. More detailed fault diagnosis information can be obtained using diagnostic equipment connected to the data link connector (DLC). Accessing and erasing The engine control module (ECM) fault memory can only be accessed and erased usina " diaanostic eauioment v connected to the data link connector (DLC).'

Model: C18012001200K122012301230K/280 (202)<br />

E200122012801320 (124) E200123012801320 (210)<br />

S2801320 (140) SLK200 (170) SL2801320 (129)<br />

Year: 1993-98<br />

Engine code: 104.9411942194319441945, 104.991199219941995,<br />

11 1.9201921, 11 1.9401941 1942194419451946,<br />

111.9601961, 111.97019741975<br />

System: Bosch HFM Bosch HFM-SF1 Siemens PMS<br />

<strong>Trouble</strong> codes:<br />

Three-digit<br />

MERCEDES-BEN2<br />

Engine management<br />

C-Class, S-Class, SLK<br />

General information<br />

n Refer to the front of this manual for aeneral test conditions,<br />

terminology, detailed descriptions ofwiring faults <strong>and</strong> a<br />

general trouble shooter for electrical <strong>and</strong> mechanical faults.<br />

<strong>Trouble</strong> codes are displayed by using an LED connected to<br />

the data link connector (DLC).<br />

The ECM fault memory can also be checked using diagnostic<br />

equipment connected to the data link connector (DLC).<br />

<strong>Diagnostic</strong> equipment can also be used to erase data from<br />

ECM fault memory.<br />

More detailed fault diagnosis information can be obtained<br />

using diagnostic equipment connected to the data link<br />

connector (DLC).<br />

Accessing <strong>and</strong> erasing<br />

The engine control module (ECM) fault memory can only be<br />

accessed <strong>and</strong> erased usina " diaanostic eauioment<br />

v<br />

connected to the data link connector (DLC).'

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