DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
This technical document provides the complete pinout for the 81-pin engine control unit connector of the 2010-2012 Buick Excelle 1.6L L91 engine. It details the specific functions of each terminal, including ignition, fuel injection, and sensor inputs.
WHAT IS INSIDE THIS DOCUMENT (CIRCUITS, PINOUTS & SECTIONS):
- 81-pin ECU connector pinout layout
- Ignition coil timing control pins
- Fuel injector control signals
- Engine speed and coolant temperature sensor inputs
- Throttle position and 5V reference voltage
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-126281
| Vehicle brand & model / Engine | GM: Buick / Chevrolet / Cadillac |
|---|---|
| ECU family & processor (MCU) | OEM ECU & Electronic Modules / OEM MCU |
| 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 | 2010-2012 Buick Excelle 1.6L L91 ECU 81-Pin Connector Pinout (3p PDF) [#126281] |
| Category / Package | wiring_doc / generic-ecu |
| Exact size & SHA-256 checksum | 872,823 bytes • f0ef5a8e3373ead6c9336a5fb36d64fe3aff8dc0411ab3016fab3bfc8efbf436 |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file 2010-2012 Buick Excelle 1.6L L91 ECU 81-Pin Connector Pinout (3p PDF) [#126281] (2010-2012 Buick Excelle 1.6L L91 ECU 81-Pin Connector Pinout (3p PDF) [#126281]) for?
This engineering .PDF file targets the OEM ECU & Electronic Modules control unit (OEM MCU MCU) used on GM: Buick / Chevrolet / Cadillac vehicles. Extracted ROM markers: 2010-2012 Buick Excelle 1.6L L91 ECU 81-Pin Connector Pinout (3p PDF) [#126281].
Q: Is the dump 2010-2012 Buick Excelle 1.6L L91 ECU 81-Pin Connector Pinout (3p PDF) [#126281] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (872,823 bytes), the SHA-256 checksum (f0ef5a8e3373ead6c9336a5f) and the internal firmware project identity (OEM ECU & Electronic Modules).
Q: What wiring diagrams, pinouts and fault codes are inside the document 2010-2012 Buick Excelle 1.6L L91 ECU 81-Pin Connector Pinout (3p PDF) [#126281]?
This technical document (2010-2012 Buick Excelle 1.6L L91 ECU 81-Pin Connector Pinout (3p PDF) [#126281]) contains wiring diagrams, ECU connector pinouts for OEM ECU & Electronic Modules and diagnostic test procedures for GM: Buick / Chevrolet / Cadillac .
4. ALL RELATED FILES OF THIS FOLDER, BRAND & ECU (FIRMWARE, MAPS, DIAGRAMS, CODING & VIDEOS)
BUNDLE: generic-ecu
WHOLESALE PACK -91% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 9)
Download the whole set of related files (31 unique files in one archive)
Individually, all 30 paid files cost $1,895. Buying the whole pack applies the wholesale discount -91% (save $1,730) + 1 free diagrams/photos!
Retail total: $1,895
$165
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