Cara Membaca Kode Kerusakan Sistem EFI (DTC) Mercedes-Benz Secara Manual

Membaca Kode Kerusakan Sistem EFI (DTC) Mercedes-Benz Secara Manual 

Jika Lampu Check Engine ketika  mobil sedang hidup itu menandakan telah terjadi kerusakan yang terekam oleh sistem kontrol mesin.

ECU akan menyalakan lampu indikator check engine di dashboard dan menyimpan kode kerusakan atau DTC didalam memori ECU.

Kode DTC tersebut dapat dibaca dengan menggunakan alat scanner atau pada beberapa mobil  dapat dibaca secara manual

MERCEDES-BENZ

Model :

• C180/ 200/ 200K/220/230/230K / 280 (202)

• E200/220/280/320 (1 24) E200/230/280/320 (21 0)

• S280/320 (140), SLK 200(170), SL280 (129)

Year :

• 1993-98

Engine code :

• 104.941 / 942 / 943 / 944 / 945 / 991 / 992 / 994 / 995,

• 111.920 / 921, 111.940 / 941 / 942 /944 /945 / 946, 111.960 / 961, 111.970 / 974 / 975

System :

• Bosch HFM 

• Bosch HFM-SF1 

• Siemens PMS

Trouble codes :

• Two-digit flash type

Lokasi Data Link Connector (DLC)

Cara membaca  kode DTC 

• Putar Kunci Kontak OFF

• Jumper Terminal 1 dan 4 atau 1 dan 8 dengan kontak switch type Normally open (1 atau 2)

• Hubungkan Test lamp LED antara terminal 3 dan 4 atau 8 dan 16 (1 atau 2)

Catatan : Hubungkan Terminal positive Test lamp LED ke terminal 3 atau 16

• Putar Kuni kontak ON

• Operasikan kontak switch selama  2 – 4 detik

• Hitung kedipan Tes lamp LED. Catat Kode DTC dan lihat pada tabel kode DTC

• Pada Contoh ditampilkan Kode DTC 3 (3)

• Ulangi prosedur pemeriksaan. Catat Kode DTC. Lihat Tabel Kode DTC

• Putar Kunci Kontak OFF

Cara menghapus kode  DTC

• Putar Kunci Kontak OFF

• Jumper Terminal 1 dan 4 atau 1 dan 8 dengan kontak switch type Normally open (1 atau 2)

• Hubungkan Test lamp LED antara terminal 3 dan 4 atau 8 dan 16 (1 atau 2)

Catatan : Hubungkan Terminal positive Test lamp LED ke terminal 3 atau 16

• Putar Kuni kontak ON

• Operasikan kontak switch selama  2 – 4 detik

• Operasikan kontak switch selama  5 – 6 detik- BOSCH ECM -08/93

• Lampu LED menampilkan Kode DTC

• Operasikan kontak switch selama  6 – 8 detik

• Operasikan kontak switch selama  8 – 9 detik- BOSCH ECM -08/93

• Ulangi prosedur untuk menghapus semua kode DTC yang tersimpan

• Setelah menghapus Kode DTC 1 : Putar kunci kontak OFF

• Tunggu 2 Detik

• Putar Kunci Kontak ON

• Tunggu 10 detik

• Hidupkan Mesin

Daftar Kode Kerusakan (DTC) dan kemungkinan penyebab kerusakan

1 = No fault found


2 = Engine coolant temperature (ECT) sensor - electrical fault

Wiring, connector, ECT sensor, ECM


3 = Intake air temperature (IAT) sensor - electrical fault
Wiring, connector, IAT sensor, ECM


4 = Bosch HFM: Mass air flow (MAF) sensor - range/performance problem
Wiring, connector, intake leak, MAF sensor, ECM


4 = Siemens PMS: Manifold absolute pressure (MAP) sensor - vacuum leak
Hoses, ECM


5 = Idle speed control (ISC) actuator - malfunction
Wiring, connector, ISC actuator


6 = Throttle position (TP) sensor –rangelperformance problem
Wiring, connector, TP sensor, ECM


7 = Idle speed control (1%) actuator - malfunction
Wiring, connector, ISC actuator, ECM


8 = Idle speed control (ISC) - malfunction
Wiring, connector, intake leak, MAF sensor, throttlevalve tighff sticking


9 = Heated oxygen sensor (H02S) 1 - range/performance problem
Wiring, connector, H02S


10 = Heated oxygen sensor (H02S) 2 - range/performance
Wiring, connector, H02S problem


11 = Oxygen sensor heater 1 - electrical fault
Wiring, connector, H02S, ECM


12 = Oxygen sensor heater 2 - electrical fault
Wiring, connector, H02S, ECM


13 = Lambda regulation - system too lean/rich
Wiring, intakelexhaust leak, MAF sensor, fuel pressure, injector(s), ECM


14 = Bosch HFM: Injector 1 - circuit malfunction
Wiring, injector, ECM

14 = Siemens PMS: Injector 1 & 4 - circuit malfunction
Wiring, injector, ECM


15 = Bosch HFM: Injector 2 - circuit malfunction
Wiring, injector, ECM


15 = Siemens PMS: lnjector 2 & 3 - circuit malfunction
Wiring, injector, ECM


16 = Injector 3 - circuit malfunction
Wiring, injector, ECM


17 = Injector 4 - circuit malfunction
Wiring, injector, ECM


18 = Injector 5 - circuit malfunction
Wiring, injector, ECM


19 = Injector 6 - circuit malfunction
Wiring, injector, ECM


20 = Bosch HFM: Fuel trim (FT), idle speed - Range / performance probtem
Intakelexhaust teak, injector@), fuel pressure, H02S, ECM

20 = Siemens PMS: Fuel trim (FT) – range / perfomance problem
lntake/exhaust leak, injector, fuel pressure H02S, EVAP system, ECM


21 = 111: Ignition amplifierlignition coil, cylinder 1 8 4 - defective
Wiring, ignition amplifier, ignition coil, ECM


21 = 104: Ignition amplifierlignition coil, cylinder 1 and  6 - defect
Wiring, ignition amplifier, ignition coil, ECM


22 = Bosch HFM: Ignition amplifier/lignition coil, cylinder 1 - defective
Wiring, ignition amplifier, ignition coil, ECM


22 = Siemens PMS: Ignition amplifierlignition coil, cylinder 2 and 3 - defective
Wiring, ignition amplifier, ignition coil, ECM


22 = 104: Ignition amplifierlignition coil, cylinder 2 dan 5 - defective
Wiring, ignition amplifier, ignition coil, ECM


23 = 111: Ignition amplifier ignition coil, cylinder 2 and 3- defective
Wiring, ignition amplifier, ignition coil, ECM

23 = 104: Ignition amplifierlignition coil, cylinder 3 and 4 - defective
Wiring, ignition amplifier, ignition coil, ECM


24 = Crankshaft position (CKP) sensor - malfunction
Wiring, air gap, flywheel ring gear damaged, CKP sensor

25 = Camshaft position (CMP) sensor - incorrect signal
Wiring, CMP sensor

26 = Engine control module (ECM) coding plug - electrical fault
Wiring, ECM

27 = Engine control module (ECM), RPM signal - output
Wiring, RPM sensor, ECM

28 = ABS control module/engine control module (ECM) communication - signal
Wiring, VSS, ABS control module trouble code stored


29(2) = Intake manifold heater relav - malfunction
Wiring, intake manifold heater relay, ECM

30 = Fuel pump relay - defective
Wiring, fuel pump relay


31 = Without cat: CO adjustment resistor - malfunction
Wiring, CO adjustment resistor, ECM


32 = Knock sensor(s) (KS) - defective
Wiring, KS


33 = Ignition timing, knocking - maximum retardation reached
Fuel contamination, mechanical fault


34 = Engine control module (ECM), knock control - internal fault
ECM


35 = Secondary air injection (AIR) pump relay - malfunction
Wiring, AIR pumplrelay, ECM


36 = Evaporative emission (EVAP) canister purge valve - electrical fault
Wiring, EVAP canister purge valve, hose@), ECM


37 = Transmission shift control valve - electrical fault
Wiring, transmission shift control valve


38 = Camshaft position (CMP) actuator - malfunction
Wiring, mechanical fault, CMPactuator, ECM


39 = Exhaust gas recirculation (EGR) solenoid - malfunction
Wiring, EGR solenoid, hose(s)


40 = Transmission overload protection switch - malfunction
Wiring, transmission overload protection switch


41 = CAN data bus, ECM - malfunction
Wiring, ECM


42 = 111: CAN data bus, diagnostic module - malfunction
Wiring


42 = 104: CAN data bus - malfunction
Wiring


43 = Engine control module (ECM), pin 50 - starter signal
Wiring


45 = With cruise control system: Cruise control, inertia fuel shut-off (IFS) switch - active
Wiring, TP sensor, idle speed control (ISC) actuator


46 = Intake manifold air control solenoid - malfunction
Wiring, intake manifold air control solenoid, ECM


48 = Oxygen sensor heater relay 2 - electrical fault
Wiring, oxygen sensor heater relay, ECM


49 = Engine control module (ECM) - supply voltage
Wiring, ignition switch, overvoltage protection relay


50 = Engine control module (ECM) - internal fault
ECM

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