DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
This 1-page engineering schematic details the wiring for the PCM128HD-0H2.2 CNG engine control unit. It covers sensor inputs, ignition outputs, and connector pinouts for Weichai CNG engines.
WHAT IS INSIDE THIS DOCUMENT (CIRCUITS, PINOUTS & SECTIONS):
- PCM128HD-0H2.2 CNG ECU main wiring diagram
- Connector pinouts for J1-A, J1-B, J1-C, J2-A, J2-B
- Cylinder ignition coil and spark plug wiring
- Sensors: NGP, NGT, ECT, NGTP, humidity
- Actuators: Low-pressure shutoff valve, exhaust control valve
- Oxygen sensor and fuel system connections
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-76955
| Vehicle brand & model / Engine | Sinotruk / Howo / Sitrak (MAN) |
|---|---|
| ECU family & processor (MCU) | CM2220 / CM2880 / CM2150 / CM876 / Motorola / Freescale MPC55xx |
| 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 | Weichai CNG Engine PCM128HD-0H2.2 ECU Wiring Diagram (1p PDF) [#76955] |
| Category / Package | wiring_doc / cummins-cm |
| Exact size & SHA-256 checksum | 235,639 bytes • 6330bdf64be21b5c65944166c6b7d364e663b67dd94ce7d54909328ee46c7690 |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file Weichai CNG Engine PCM128HD-0H2.2 ECU Wiring Diagram (1p PDF) [#76955] (9971-1380-01, J2-A, J1-C, J1-B, PCM128HD-0H2.2, J1-A, J2-B) for?
This engineering .PDF file targets the CM2220 / CM2880 / CM2150 / CM876 control unit (Motorola / Freescale MPC55xx MCU) used on Sinotruk / Howo / Sitrak (MAN) vehicles. Extracted ROM markers: 9971-1380-01, J2-A, J1-C, J1-B, PCM128HD-0H2.2, J1-A, J2-B.
Q: Is the dump Weichai CNG Engine PCM128HD-0H2.2 ECU Wiring Diagram (1p PDF) [#76955] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (235,639 bytes), the SHA-256 checksum (6330bdf64be21b5c65944166) and the internal firmware project identity (CM2220 / CM2880 / CM2150 / CM876).
Q: What wiring diagrams, pinouts and fault codes are inside the document Weichai CNG Engine PCM128HD-0H2.2 ECU Wiring Diagram (1p PDF) [#76955]?
This technical document (Weichai CNG Engine PCM128HD-0H2.2 ECU Wiring Diagram (1p PDF) [#76955]) contains wiring diagrams, ECU connector pinouts for CM2220 / CM2880 / CM2150 / CM876 and diagnostic test procedures for Sinotruk / Howo / Sitrak (MAN) .
4. ALL RELATED FILES OF THIS FOLDER, BRAND & ECU (FIRMWARE, MAPS, DIAGRAMS, CODING & VIDEOS)
BUNDLE: cummins-cm
WHOLESALE PACK -95% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 7)
Download the whole set of related files (41 unique files in one archive)
Individually, all 41 paid files cost $3,640. Buying the whole pack applies the wholesale discount -95% (save $3,475) + 0 free diagrams/photos!
Retail total: $3,640
$165
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Firmware & Stock ROMs (.BIN / .HEX / .FRF) (6)
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.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | ORG0000003507.hex firmware_bin • 6,754,832 bytes | $110 Open → |
.S19? .S19 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Sinotruk Yunnei YN33 computer chip optimize DTS a brush.S19 firmware_bin • 1,310,738 bytes | $110 Open → |
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WinOLS & Damos Maps (.A2L / .KP / .OLS) (10)
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.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Sinotruk P1158_V760_FF_SCR_1037523507.a2l damos_a2l • 12,071,123 bytes | $190 Open → |
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.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Sinotruk P1708V454.a2l damos_a2l • 24,538,179 bytes | $190 Open → |
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Parameterization, Tools & Archives (.XML / .ZIP / .RAR / .7Z / .ISO) (9)
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.ZIP? .ZIP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | ESI-II and ECI-CFV gas Ji diagnostics software 160225.zip archive_pack • 44,939,936 bytes | $75 Open → |
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Manuals, Diagrams & Photos (.PDF / .PNG) (4)
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