Diagnosis Technician Gasoline Engine Control System EFI Electronic
- Slides: 37
Diagnosis Technician >> Gasoline Engine Control System >>EFI (Electronic Fuel Injection) Deskripsi Manifold pressure sensor Throttle position sensor Air f. Rendahmeter Mesin ECU Injektor Sensor posisi camshaft Sensor oksigen Sensor temperatur air Sensor posisi Crankshaft (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Deskripsi Tipe EFI 1. L-EFI (Tipe kontrol aliran udara) 2. D-EFI (Tipe kontrol tekanan manifold) Udara Air f. Rendahmeter Intake manifold Deteksi intake air mass Intake manifold Manifold pressure sensor Injeksi Mesin Kecepatan mesin Mesin ECU Kontrol volume injeksi Mesin Injektor Deteksi intake manifold Bahan bakar pressure Injeksi Kecepatan mesin Mesin ECU Injector Bahan bakar Kontrol volume injeksi (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Deskripsi Main components Pengatur tekanan Pompa bahan bakar Saringan pompa bahan bakar Saringan bahan bakar Delivery pipe Pulsation damper Tangki bahan bakar Injector Pengatur tekanan Delivery pipe Pulsation damper Tangki bahan bakar Saringan bahan bakar Pompa bahan bakar Saringan pompa bahan bakar Pompa bahan bakar assembly (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Pompa Bahan Bakar Check valve Relife valve Motor Outlet port Pump impeller Inlet port Casing Blade Saringan pompa bahan bakar Bahan bakar Impeller (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Regulator Tekanan 1. Type 1 ke Injector katup ke Tangki bahan bakar Pengatur tekanan Saringan bahan bakar dari Pompa bahan bakar (1/2)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Regulator Tekanan 2. Tipe 2 ke Intake manifold Diaphragm Katup dari Delivery pipe ke Tangki bahan bakar Pulsation damper Pengatur tekanan Pipa kembali bahan bakar (2/2)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Pulsation Damper (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Injektor O-ring Kumparan Valve Grommet Plunger (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Saringan Bahan Bakar/Saringan Pompa Bahan bakar 1. Saringan bahan bakar/ 2. Saringan pompa bahan bakar Saringan bahan bakar (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar 1. Basic operation relay EFI relay bukaan rangkai an Pompa bahan bakar IG ST Ignition switch Mesin ECU FC Microprocessor E 1 STA Sinyal NE NE (1/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar relay EFI relay bukaan rangkaia n Pompa bahan bakar IG ST Ignition switch Mesin ECU FC Microprocessor E 1 STA Sinyal NE NE (1/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar relay EFI relay bukaan rangkaia n Pompa bahan bakar IG ST Ignition switch Mesin ECU FC Microprocessor E 1 STA Sinyal NE NE (1/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar relay EFI relay bukaan rangkai an Pompa bahan bakar IG ST Ignition switch Mesin ECU FC Microprocessor E 1 STA Sinyal NE NE (1/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar relay EFI relay bukaan rangkai an Pompa bahan bakar IG ST Ignition switch Mesin ECU FC Microprocessor E 1 STA Sinyal NE NE (1/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar DLC 1 +B FP relay EFI SST relay bukaan rangkai an DLC 1 Pompa bahan bakar IG ST Ignition switch Mesin ECU FC Microprocessor E 1 STA Sinyal NE NE (1/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar 2. Kontrol kecepatan pompa bahan bakar relay bukaan Pompa relay EFI rangka bahan bakar ian control A relay B IG ST Ignition switch Pompa bahan bakar Resistor Mesin ECU FP Microprocessor FC E 1 STA Sinyal NE NE (2/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar 2. Kontrol kecepatan pompa bahan bakar relay EFI Pompa bahan bakar ECU FP+ Pompa bahan bakar FP- FPC Mesin ECU D 1 (3/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar 3. Sistem shut-off pompa bahan bakar relay EFI relay bukaan rangkaia n Pompa bahan bakar IG ST Ignition switch Mesin ECU FC Microprocessor STA Sinyal NE NE E 1 GSFC GSW Center airbag sensor assembly (4/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Sistem Bahan Bakar Kontrol Pompa Bahan Bakar Reset switch Diagram sistem relay utama +B EFI Pompa bahan bakar inertia switch Link Contact point FP+ Pompa bahan FPbakar DI ECU FPC Pompa bahan bakar inertia switch Mesin ECU Pompa bahan bakar inertia Ball switch Acceleration Link Contact point (OFF) Ball Contact point (ON) Normal Pegerakan Mendeteksi tabrakan (5/5)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Metode Injeksi Bahan Bakar dan Waktu Pengapian Kontrol Durasi Injeksi Indipendent (Sequential) grup Simultan 360 720 sudut Crankshaft (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Metode Injeksi Bahan Bakar dan Waktu Pengapian Kontrol Durasi Injeksi Independent (Sequential) Intake stroke Ignition Injeksi bahan bakar 1 2 3 4 0 360 720 1080 sudut Crankshaft (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Metode Injeksi Bahan Bakar dan Waktu Pengapian Kontrol Durasi Injeksi grup Intake stroke Ignition 2 grup 1 5 3 6 2 4 3 grup 1 5 3 6 2 4 4 grup 1 8 4 3 6 5 7 2 0 Injeksi bahan bakar 360 720 1080 sudut Crankshaft (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Metode Injeksi Bahan Bakar dan Waktu Pengapian Kontrol Durasi Injeksi Simultan Intake stroke Ignition Injeksi bahan bakar 1 2 3 4 0 360 720 1080 sudut Crankshaft (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Bahan bakar. Durasi injeksi dasar+durasi injeksi koreksi Start enrichment ON Start Warm-up Air-fuel ratio Acceleration Fuel cut-off enrichment Koreksi feedback Power enrichment koreksi temp. Intake air Various corrections and signals (1/1)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi 1. Start enrichment START ON Panj ang durasi injeksi Pend ek Ren dah Coolant temp. ( C) 400 rpm Ting gi kondisi normal keadaan start 200 rpm Hysteresis (1/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi 2. Warm-up enrichment Besar Jumlah koreksi durasi injeksi Kecil Ren dah 0 Coolant temp. ( C) Ting gi (2/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi 3. Air-fuel ratio Koreksi feedback (Untuk kebanyakan model) Berbagai Koreksi Sensor oksigen Rich 0. 45 V Lean ECU Rich Penentuan Mesin ECU Lean Koreksi feedback Menurun Meningkat (3/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi Air-fuel ratio learned control Rasio koreksi 1. 2 Rich mixture 1. 2 1. 0 a 0. 8 a a Jangkaua n koreksi 0. 8 Lean mixture Nilai Central feedback kondisi normal Over life time (4/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Sensor rasio udarabahan bakar 3. 3 V Mesin ECU AF- 3. 0 V Sensor rasio udara(V) bahan bakar (V) 4. 2 1 Sensor oksigen 2. 2 0. 1 11 19 14. 7 Air-fuel ratia Sensor oksigen output AF+ Data of A/F sensor Berbagai Koreksi Output characteristics Rich Rasio udarabahan bakar teoritis Lean Sensor oksigen Injection volume A/F sensor Disorder A/F sensor Sensor oksigen Koreksi pada proporsi konstan Koreksi cepat (5/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi Mesin ECU Volume injeksi Menurun Variable resistor Richer Meningkat Leaner Injektor Idle mixture adjusting screw Rich mixture Lean mixture SST 180 (6/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi 4. Acceleration enrichment Besar Volume koreksi Kecil Perubahan jumlah intake air Besar Akselerasi tiba-tiba Besar Volume koreksi Akselerasi pelan Kecil Waktu (7/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi 5. Fuel cut-off Kecepatan mesin Fuel cut-off Rendah Injection resumption Temperatur pendingin Tinggi (8/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi 6. Power enrichment (9/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi Koefisien koreksi 7. Koreksi suhu intake udara 1. 0 Re nda h 20 (68) Tingg i temperatur Intake air C ( F) (10/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi 8. Voltage correction Koreksi voltase Sinyal inspeksi On Off Terb uka Tertu tup durasi injeksi koreksi (msec) Injektor benar terbuka waktu delay operasi standar Ren dah Battery voltage (V) 14 Ting gi (11/11)
Diagnosis Technician >> Gasoline Engine Control System >>EFI
Diagnosis Technician >> Gasoline Engine Control System >>EFI Kontrol Durasi Injeksi Berbagai Koreksi dan Sinyal Berbagai koreksi Sensor Signal Meteran aliran udara/ Manifold pressure sensor VG / PIM Sensor posisi Crankshaft NE Sensor posisi camshaft G Sensor temperatur air THW Durasi injeksi dasar Start enrichment Koreksi Warm-up feedback Acceleration Fuel cut-off enrichment Rasio udara- enrichment bahan bakar Power enrichment IDL Sensor posisi Throttle Sensor oksigen VTA OX 1 A, OX 1 B (1/1)
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