Cẩm Nang Sửa Chữa Hệ Thống Điện Xe Honda Civic 2012

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Cẩm nang sửa chữa

Giảng viên: Nguyễn Văn Nhu Trường: ĐH CN GTVT

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KÊNH CHIA SẺ KIẾN THỨC CÔNG NGHỆ Ô TƠ

Utt Car - Trung tâm đào tạo điện ơ tơ đời mới UY TÍN – CHẤT LƯỢNG

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<b>Abbreviations </b>

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

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CYP 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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IAR 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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OBD 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

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TP 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)

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<b>PGM-FI System Description - Electronic Control </b>

<b>Fail-Safe Function </b>

<b>Updated Function MIL Bulb Check </b>

<b>Self Shut Down (SSD) Mode </b>

<b>Engine Compartment ECM/PCM </b>

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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