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Giảng viên: Nguyễn Văn Nhu Trường: ĐH CN GTVT
Trang 2KÊNH CHIA SẺ KIẾN THỨC CÔNG NGHỆ Ô TÔ
Utt Car - Trung tâm đào tạo điện ô tô đời mới UY TÍN – CHẤT LƯỢNG
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Abbreviations
List of automotive abbreviations which may be used in shop manual ABS Anti-lock Brake System
A/C Air Conditioning, Air Conditioner ACC Adaptive Cruise Control/Accessory
ACEA Association des Constructers Europeens d' Automobiles (The European Automobile Manufactures Association)
AFS Adaptive Front lighting System A/F Air Fuel Ratio
AHB Advanced Hydraulic Booster ALR Automatic Locking Retractor
API American Petroleum Institute APP Accelerator Pedal Position APPROX Approximately
A/T Automatic Transmission ATDC After Top Dead Center ATF Automatic Transmission Fluid
BCM Battery Condition Monitor BDC Bottom Dead Center BTDC Before Top Dead Center
CLV Calculated Load Value
CMBS Collision Mitigation Brake System CMP Camshaft Position
CPB Clutch Pressure Backup CPC Clutch Pressure Control CPU Central Processing Unit
CVT Continuously Variable Transmission CVTF Continuously Variable Transmission Fluid
Trang 4CYP Cylinder Position DIFF Differential
DLC Data Link Connector DLI Distributor Less Ignition DOHC Double Overhead Camshaft DOT Department of Transportation DPF Diesel Particulate Filter DPI Dual Point Injection DPSF Dual Pump System Fluid DTC Diagnostic Trouble Code EBD Electronic Brake Distribution ECM Engine Control Module ECT Engine Coolant Temperature EGR Exhaust Gas Recirculation EGT Exhaust Gas Temperature ELD Electrical Load Detector EPR Evaporator Pressure Regulator EPS Electrical Power Steering ETCS Electronic Throttle Control System EVAP Evaporative Emission
FRP Fuel Rail Pressure
FWD Front Wheel Drive
HDS Honda Diagnostic System
HID High Intensity Discharge HIM Honda Interface Module HO2S Heated Oxygen Sensor HPS Hydraulic Power Steering
HVAC Heating, Ventilation, and Air Conditioning IAB Intake Air Bypass
IAC Idle Air Control IACV Idle Air Control Valve
Page 2 of 5 Abbreviations 2887
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Trang 5IAR Intake Air Resonator IAT Intake Air Temperature ICM Ignition Control Module
ID or I.D Inside Diameter
i-DSI Intelligent-Dual & Sequential Ignition i-DTEC Intelligent Diesel Technology IG or IGN Ignition
IMA Idle Mixture Adjustment Integrated Motor Assisted IMMOBI Immobilizer (Immobiliser)
IMRC Intake Manifold Runner Control IMT Intake Manifold Tuning
IQA Injector Quantity Adjustment (Diesel model) ISV Intake Shutter Valve
LCD Liquid Crystal Display LED Light Emitting Diode LEV Low Emission Vehicle
LHD Left Handle Drive
LSD Limited Slip Differential L4 In-line Four Cylinder (engine)
MAP Manifold Absolute Pressure
MBS Mainshaft Brake System
MCM Motor Control Module MCU Moment Control Unit
MICS Multiplex Integrated Control System MICU Multiplex Integrated Control Unit MIL Malfunction Indicator Lamp
MPI Multi Point Injection
M/T Manual Transmission MTF Manual Transmission Fluid
MVCI Modular Vehicle Communication Interface NOx Oxides of Nitrogen
Page 3 of 5 Abbreviations 2887
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Trang 6OBD On-board Diagnostic OD or O.D Outside Diameter
OPDS Occupant Position Detection System
PAIR Pulsed Secondary Air Injection PCM Powertrain Control Module
PCV Positive Crankcase Ventilation/ Proportioning Control Valve
PGM-FI Programmed-fuel Injection PGM-IG Programmed Ignition
PL Pilot Light or Pressure Low
PSF Power Steering Fluid PSP Power Steering Pressure
SAE Society of Automotive Engineers SCS Service Check Signal
SOHC Single Overhead Camshaft
TCM Transmission Control Module TCS Traction Control System
TFT Thin Film Transistor
Trang 7TP Throttle Position
TPMS Tyre Pressure Monitoring System TWC Three Way Catalytic Converter
VCM Variable Cylinder Management VIN Vehicle Identification Number VSA Vehicle Stability Assist VSS Vehicle Speed Sensor
VTEC Variable Valve Timing & Valve Lift Electronic Control VVIS Variable Volume Intake System
V6 V-engine Six Cylinder (engine)
4A/T 4-speed Automatic Transmission 5A/T 5-speed Automatic Transmission 6A/T 6-speed Automatic Transmission 5M/T 5-speed Manual Transmission 6M/T 6-speed Manual Transmission
D4 Drive (1st through 4th gear) D3 Drive (1st through 3rd gear)
Trang 106PGM-FI System Description - Electronic Control
Fail-Safe Function
Updated Function MIL Bulb Check
Self Shut Down (SSD) Mode
Engine Compartment ECM/PCM
The engine control module (ECM)/powertrain control module (PCM) consists of a CPU memory (storage unit) and inputs/outputs that control the fuel injection, injection timing, idling and electronic throttle control system (ETCS).
When a malfunction occurs in the signal from a sensor or from another control unit, the ECM/PCM ignores that signal and substitutes a pre-programmed value that allows the engine to continue running This causes a Confirmed DTC to be stored and the MIL to come on.
The ECM/PCM has a rewritable ROM The ROM can acquire the latest software version using the MVCI.
When the ignition switch is turned to ON (II) or the engine start/stop button is pressed to select the ON mode, the ECM/PCM turns on the MIL via the F-CAN circuit for about 15 to 20 seconds to check the bulb condition.
After the ignition switch is turned to LOCK (0) or the engine start/stop button is pressed to select the OFF mode, the ECM/PCM stays on for up to an hour If an ECM/PCM connector is disconnected during this time, the ECM/PCM may be damaged To cancel this mode, disconnect the negative cable from the battery or jump the SCS line with the HDS after the ignition switch is turned to LOCK (0) or the engine start/stop button is pressed to select the OFF mode.
For serviceability and weight reduction, the wire harness has been shortened The ECM/PCM is now positioned in the engine compartment
To ensure ECM/PCM operation in the engine compartment, the ECM/PCM main body and the connectors are water-proof When diagnostic/troubleshooting is done at the ECM/PCM connector, use the terminal test port above the terminal you need to check, not the wire side.
Page 1 of 1 PGM-FI System Description - Electronic Control 6653
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