The Powertrain Control Module (PCM) is the brain of a vehicle’s engine and transmission. Flashing the PCM allows for updates and modifications to improve performance, fuel efficiency, and fix various issues. To successfully flash a PCM, knowing the correct pinout is crucial. This guide provides a comprehensive overview of Pcm Flash Pinouts for a variety of Chinese car models.
Understanding PCM Flashing and Pinouts
PCM flashing involves reprogramming the module with new software. This process requires a specialized tool and a connection to the PCM’s flash memory. The pinout defines the specific pins on the PCM connector that need to be accessed for flashing. Using the incorrect pinout can lead to irreversible damage to the PCM.
PCM Flash Pinouts for Chinese Car Brands
This section details PCM flash pinouts for various Chinese car manufacturers and models, utilizing both ME17 and Delphi systems. Note that this information is for educational purposes and professional guidance is recommended before attempting any PCM flashing procedures.
ME17 Systems
- Great Wall/Lifan: ME17.8.8 (Models include ME17)
- Chery:
- 1.5L/1.6L/2.0L D4G15/E4G15/SQR484 (ME17.8.8)
- 2.0L D4G20 (ME17.8.8)
- 1.5L/1.5T/2.0T E4G15C/E4T15C/D4T20 (ME17U6)
- 1.6T F4J16 (MED17.8.10)
- Jetour: 1.6T F4J16 (MED17.8.10)
- GAC: 1.5T/2.0T 4A15M1/4B20M1 (ME17.8.8.1)
- Great Wall/Haval: MED17 (MED17.8.10)
- Geely: ME17 (ME17.8.8.1) – Direct ECU connection required for reading.
- Geely:
- 1.8T MED17 (MED17.8.10/TC1728)
- 1.5T MED17 (MED17.8.10/TC1782)
- MG: MED17 (MED17.8.10)
- Chevrolet (China Market): 1.5L Aveo/Sail 3 (ME17.8.8)
Delphi Systems
- GAC:
- 2.0T 4B20J1D (Delphi MT92.1)
- 2.0T 4B20J1D (Delphi MT95.1)
- Geely/Great Wall/LuxGen: MT80 K-Line/CAN-bus
- Great Wall/Haval: 1.5T, 2.0T (Delphi MT92/MT92.1)
- Changan:
- CS35PLUS 1.6L, Eado 1.5T (Delphi MT92.1)
- CS75PLUS 1.5T (Delphi MT92.1E)
- Great Wall/Tank: 3.0T Master/Slave (Delphi MT95.1) – No checksum
- Great Wall: 2.4L (Delphi MT62.1U)
- JAC:
- 1.5T (Delphi MT62.1)
- 1.5T (Delphi MT92.1E)
- Oting: 2.0T (Delphi MT95.1)
- Dongfeng: 2.0T (Delphi MT92)
- Huanghai: 2.4T (Delphi MT62.1)
- Changan:
- 1.5L (Delphi MT62.1)
- 1.5T (Delphi MT95.1)
- Chery: 1.5T PHEV (Delphi MT62.3)
- Dongfeng/Fengon:
- 2.0L (Delphi MT62/MT62.1)
- 1.5T (Delphi MT62.3)
- 1.8L (Delphi MT22.3)
- Dongfeng/Fengxing: 2.0L (Delphi MT62.1)
- Dongfeng/Fengshen:
- 1.5T (Delphi MT62.1U)
- 1.5T (Delphi MT62.3)
- Dongfeng/Oting: 2.4L (Delphi MT62.1U)
- Lifan: 1.8L (Delphi MT22.3)
- Southeast:
- 1.5L (Delphi MT22.3)
- 1.5T (Delphi MT62.1)
- Dongfeng/Nazhijie: 1.8T (Delphi MT62.1)
Conclusion
Finding the correct PCM flash pinout is paramount for successful PCM flashing. This guide provides a valuable resource for identifying pinouts for various Chinese car models. However, due to the complexity and potential risks involved, it’s strongly recommended to consult with a qualified automotive professional before attempting any PCM flashing procedures. Incorrect procedures can result in significant damage to the vehicle’s electronic systems. This information enables reading, writing, and checksum correction.