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 found2 = 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 - defectiveWiring, ignition am plifier, 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 - malfunctionWiring, 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