DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
This 1-page wiring diagram details the Bosch EDC17CV54 ECU connections for a Yunnei diesel engine. It covers OBD pinouts, 24V power distribution, fuel system sensors, and EGR/SCR control circuits for repair and calibration.
WHAT IS INSIDE THIS DOCUMENT (CIRCUITS, PINOUTS & SECTIONS):
- OBD diagnostic connector pinout (pins 3, 6, 7, 11, 14)
- Main 24V power supply and relay control circuits
- Common rail fuel pressure sensor and injector wiring
- EGR valve and actuator control circuit
- Turbocharger actuator and VGT control
- Engine sensor inputs (MAP, IAT, ECT, Crankshaft)
- SCR and DPF aftertreatment system connections
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-137015
| Vehicle brand & model / Engine | Yuchai / Quanchai / Yunnei / SDEC CN5 / Euro-5 |
|---|---|
| ECU family & processor (MCU) | EDC17CV44 / EDC17CV54 / EDC17C81 / EDC17C53 / Infineon TriCore TC1767 / TC1797 |
| Internal ROM project (Project ID) | — |
| Calibration identifier (STC) | — |
| Bosch software number (10SW / 1037) | — |
| Bosch hardware number (0281 / 0261) | — |
| Compatibility code block (CompID) | — |
| Engineering file name | Bosch EDC17CV54 ECU Wiring Diagram for Yunnei Diesel Engine (SCR/EGR) (1p PDF) [#137015] |
| Category / Package | wiring_doc / bosch-edc17cv44-c81 |
| Exact size & SHA-256 checksum | 1,329,926 bytes • ace42874c6dc2c9f223850931abf3babb0e91fbc058e49769011b9ac8aeeb507 |
| Engineering passwords / kit PIN codes | Included in delivery kit (1 items matched from the password DB) |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file Bosch EDC17CV54 ECU Wiring Diagram for Yunnei Diesel Engine (SCR/EGR) (1p PDF) [#137015] (K51, K52, HA1256, Bosch EDC17CV54, K56, K55, Y10003104, EDC17CV54) for?
This engineering .PDF file targets the EDC17CV44 / EDC17CV54 / EDC17C81 / EDC17C53 control unit (Infineon TriCore TC1767 / TC1797 MCU) used on Yuchai / Quanchai / Yunnei / SDEC vehicles. Extracted ROM markers: K51, K52, HA1256, Bosch EDC17CV54, K56, K55, Y10003104, EDC17CV54.
Q: Is the dump Bosch EDC17CV54 ECU Wiring Diagram for Yunnei Diesel Engine (SCR/EGR) (1p PDF) [#137015] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (1,329,926 bytes), the SHA-256 checksum (ace42874c6dc2c9f22385093) and the internal firmware project identity (EDC17CV44 / EDC17CV54 / EDC17C81 / EDC17C53).
Q: What wiring diagrams, pinouts and fault codes are inside the document Bosch EDC17CV54 ECU Wiring Diagram for Yunnei Diesel Engine (SCR/EGR) (1p PDF) [#137015]?
This technical document (Bosch EDC17CV54 ECU Wiring Diagram for Yunnei Diesel Engine (SCR/EGR) (1p PDF) [#137015]) contains wiring diagrams, ECU connector pinouts for EDC17CV44 / EDC17CV54 / EDC17C81 / EDC17C53 and diagnostic test procedures for Yuchai / Quanchai / Yunnei / SDEC .
4. ALL RELATED FILES OF THIS FOLDER, BRAND & ECU (FIRMWARE, MAPS, DIAGRAMS, CODING & VIDEOS)
BUNDLE: bosch-edc17cv44-c81
WHOLESALE PACK -96% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 7)
Download the whole set of related files (39 unique files in one archive)
Individually, all 39 paid files cost $3,680. Buying the whole pack applies the wholesale discount -96% (save $3,515) + 0 free diagrams/photos!
Retail total: $3,680
$165
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