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Ecu
Descripción: Catalogo Ecu
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Descripción: ECU definiciones
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The Need for Power ….. Economy …. And Emission!
EUROChip Tuning of Indonesia
What is OBD-I / OBD-II? What Does OBD-II Controls? What is ECU Remapping? ECU Tuning Methods Technologies Involved What’s the benefit of ECU Remap? What kind of Performance Gain Can I Expect? What cars / ECU can be remapped? FAQs on ECU Remapping Q&A
Standard for Better Emission
OBD = On Board Diagnostic Reporting System OBD-I = Level 1 Std => Not really a standard, each manufacturer had different method of reporting system and different Diagnostic Connectors. OBD-II = Level 2 Std => Std Diagnostic Port, Full Control for Engine Ops, Chassis, and accessories.
1.
(Reserved)
2.
SAE-J1850 (+)
3.
(Reserved)
4.
Chassis Ground Signal Ground CAN (high) K-Line
5. 6. 7.
9.
(Reserved) (Reserved)
10.
SAE-J1850 (-)
11.
(Reserved) (Reserved) (Reserved)
8.
12. 13.
14. 15. 16.
CAN (low) L-Line Battery (+)
=> Ford, GM.
=> New Standards in 2008 for all. => Chrysler, European, Asian.
STRINGENT EMISSION CONTROL
Catalytic Converter efficiency (2 Oxygen Sensors) Engine misfire Electrical Integrity Idle Control Throttle Position Sensors Transmission actuators …….. Many more ………….
The Quest for POWER
Optimizing A/F ratio and ignition timing for part and full throttle acceleration. Optimizing A/F ratio for Cruising. Remove Flat Spots (Smoothing Drivability). Slightly Increase RPM Limiter. Remove Speed Limiter. Optimize Torque Limiter. Adjust Ignition Timing. Adjust Fuel Compensator. Adjust Boost (for Turbo / SC applications). AFM Calibration Throttle Position vs Fuel Enrichment Many… many… more….
Pre-OBD => Re-chipping. OBD-I => Re-chipping or Re-flashing thru Proprietary Diagnostic Connector (Serial Programming). OBD-II => Re-chipping or Re-flashing thru OBD-II port (Serial Programming), or programming using BDM Tool (Specific to Motorola MPC5XX based Processors).
OBD-II Standards (and Future Standards). OBD / II to ECU Protocol Interfacing and Programming. ECU Technology => More Stringent Control over Emission, thus tighter engine operation tolerance. ECU Maps scrambling. Checksum algorithm.
More efficient engine operation, thus more fuel efficient => For normal driving behavior, fuel consumption is LESS. More power => Engine is tuned to within its mechanical potential => More power is available when needed. In plain term: YOUR CAR IS MORE FUN TO DRIVE!!! ….. And MORE DRIVABLE.
7% - 15% Horsepower Increase for normally aspirated (N/A) engine (Depending on how optimized the stock engine is). 10% - 15% Torque Increase for N/A engine. 10% - 50% Horsepower Increase for Forced Induction (FI) engines, depending on boost level, gasoline or Diesel engines. 30% - 75% Torque increase for FI engines, gasoline or Diesel engines. Much better part throttle operations, remove flat spots. More torque below peak torque => better drivability. Much better passing power from peak torque to redline.
Most Cars whose ECUs have separate Data Chips. Usually Bosch and Siemens based and licensees. Additionally: Delphi, Sagem, Marelli, VDO, etc.
Why did manufacturers NOT optimize the ECU in the first Place? Will my car consume more fuel? Will it void my car warranty? Will it shorten the life of my engine? Will it have long term negative effect on my car?
