DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
This 155-page manual provides comprehensive repair and maintenance instructions for Weichai natural gas engines. It covers CNG, LNG, and LPG fuel systems, engine structure, and troubleshooting procedures for technicians.
WHAT IS INSIDE THIS DOCUMENT (CIRCUITS, PINOUTS & SECTIONS):
- General specifications and fuel types (CNG, LNG, LPG)
- Engine structure and component overview
- Maintenance and repair procedures
- Troubleshooting and fault diagnosis
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-126633
| Vehicle brand & model / Engine | Weichai Power |
|---|---|
| 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 Natural Gas Engine Repair Manual (CNG/LNG/LPG) 155 Pages (155p PDF) [#126633] |
| Category / Package | manual_pdf / cummins-cm |
| Exact size & SHA-256 checksum | 5,802,323 bytes • edaa00c31a702f20b3ccd9c5aa91f603d62903dc4449068b9463e754a3e938f1 |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file Weichai Natural Gas Engine Repair Manual (CNG/LNG/LPG) 155 Pages (155p PDF) [#126633] (Q/WCQTG0015) for?
This engineering .PDF file targets the CM2220 / CM2880 / CM2150 / CM876 control unit (Motorola / Freescale MPC55xx MCU) used on Weichai Power vehicles. Extracted ROM markers: Q/WCQTG0015.
Q: Is the dump Weichai Natural Gas Engine Repair Manual (CNG/LNG/LPG) 155 Pages (155p PDF) [#126633] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (5,802,323 bytes), the SHA-256 checksum (edaa00c31a702f20b3ccd9c5) and the internal firmware project identity (CM2220 / CM2880 / CM2150 / CM876).
Q: What wiring diagrams, pinouts and fault codes are inside the document Weichai Natural Gas Engine Repair Manual (CNG/LNG/LPG) 155 Pages (155p PDF) [#126633]?
This technical document (Weichai Natural Gas Engine Repair Manual (CNG/LNG/LPG) 155 Pages (155p PDF) [#126633]) contains wiring diagrams, ECU connector pinouts for CM2220 / CM2880 / CM2150 / CM876 and diagnostic test procedures for Weichai Power .
4. ALL RELATED FILES OF THIS FOLDER, BRAND & ECU (FIRMWARE, MAPS, DIAGRAMS, CODING & VIDEOS)
BUNDLE: cummins-cm
WHOLESALE PACK -97% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 6)
Download the whole set of related files (54 unique files in one archive)
Individually, all 54 paid files cost $4,785. Buying the whole pack applies the wholesale discount -97% (save $4,620) + 0 free diagrams/photos!
Retail total: $4,785
$165
Sibling files from the same folder / kit (12)
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.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Cummins ISM11 CM876 SN Repair Manual Volume 2 (2009) (667p PDF) [#22222] manual_pdf • 47,242,954 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Cummins ISF3.8 CM2220 Engine Repair Manual Vol 1 (2009) (506p PDF) [#57146] manual_pdf • 23,436,708 bytes | $35 Open → |
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.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | SINOTRUK C7 CAN Bus System Fault Diagnosis and Repair Training (95p PDF) [#77002] manual_pdf • 5,440,439 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Weichai Natural Gas Engine Repair Manual (CNG/LNG/LPG) - 162 Pages (162p PDF) [#82000] manual_pdf • 6,239,521 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 8DK SDEC (Shangchai).pdf manual_pdf • 4,413,616 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | INSITE tool Operating Instructions.pdf manual_pdf • 5,109,438 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Hino P11C Common Rail principle.pdf manual_pdf • 4,343,095 bytes | $35 Open → |
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.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | John enlighten manual.pdf manual_pdf • 7,650,199 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | INSITE8.3 cultivate 2018.pdf manual_pdf • 11,453,139 bytes | $35 Open → |
Firmware & Stock ROMs (.BIN / .HEX / .FRF) (10)
.E2P? .E2P — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Weichai.e2p eeprom_e2p • 8,192 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | WISEC10-P201-V170.hex firmware_bin • 18,630,618 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 161_DHP12Q2566.hex firmware_bin • 18,300,870 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | WISEC10-P200-V111.hex firmware_bin • 17,694,720 bytes | $110 Open → |
.S19? .S19 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 62925 222 222 333 222 222 111 Weichai In-House (WISE ECU) WISEC15 2021 yr 10 mo 29 sun 16 27 divide.s19 firmware_bin • 10,088,448 bytes | $110 Open → |
.HEX? .HEX — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P1499v301.hex firmware_bin • 4,415,981 bytes | $110 Open → |
.E2P? .E2P — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Weichai V47.e2p eeprom_e2p • 8,192 bytes | $110 Open → |
.S19? .S19 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | WISEC13-P230-V140.S19 firmware_bin • 18,841,600 bytes | $110 Open → |
.S19? .S19 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | WISEC13-P230-V161.S19 firmware_bin • 18,841,600 bytes | $110 Open → |
.S19? .S19 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | WISEC13-P230-V167.S19 firmware_bin • 18,841,600 bytes | $110 Open → |
WinOLS & Damos Maps (.A2L / .KP / .OLS) (10)
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P_1434_4_2_0_1037556105(1).a2l damos_a2l • 21,392,598 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P_1434_2_1_0_CTHIS02879.a2l damos_a2l • 19,877,306 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Weichai P_949_791_FF_SCR.a2l damos_a2l • 12,765,556 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P532-V407.a2l damos_a2l • 10,164,190 bytes | $190 Open → |
.A2L? .A2L — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P532_V406.a2l damos_a2l • 10,124,820 bytes | $190 Open → |
.OLS? .OLS — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 10A-P200-V151 Precision Map Definition 66.OLS winols_ols • 9,451,129 bytes | $165 Open → |
.OLS? .OLS — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 10A-P200-V161 Precision Map Definition 66.OLS winols_ols • 9,425,447 bytes | $165 Open → |
.OLS? .OLS — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 10A-P201-V167SCRDPF accurate 32768 map definition (1).ols winols_ols • 9,134,716 bytes | $165 Open → |
.OLS? .OLS — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | P230-173 Chinese language map definition 66.ols winols_ols • 7,131,318 bytes | $165 Open → |
.OLS? .OLS — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | WISEC13-P230-V161.ols winols_ols • 6,781,875 bytes | $165 Open → |
Parameterization, Tools & Archives (.XML / .ZIP / .RAR / .7Z / .ISO) (10)
.RAR? .RAR — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 1_Cummins summary plan.rar archive_pack • 21,791,727 bytes | $75 Open → |
.ZIP? .ZIP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | WISEC10-P201-V170.zip archive_pack • 49,419,152 bytes | $75 Open → |
.RAR? .RAR — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Xinjiang 2.rar archive_pack • 48,673,580 bytes | $75 Open → |
.ZIP? .ZIP — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | CN6 (Euro-6) act independently A2L(1).zip archive_pack • 16,699,694 bytes | $75 Open → |
.RAR? .RAR — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | A19-0022 arrange 5 diesel fuel DTS CN6 (Euro-6) technical training technical documentation Schematic Diagram + malfunction diagnostics Bosch Cummins Yunnei Weichai Yuchai Delong 400M.rar archive_pack • 366,064,724 bytes | $75 Open → |
.RAR? .RAR — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Cummins summary plan.rar archive_pack • 72,185,377 bytes | $75 Open → |
.XML? .XML — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | MD1_V40C_R04.xml container_oem • 44,020,408 bytes | $55 Open → |
.XML? .XML — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | A2L-V500.xml container_oem • 33,795,157 bytes | $55 Open → |
.XML? .XML — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | A2L-V420.xml container_oem • 33,378,032 bytes | $55 Open → |
.XML? .XML — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | A2L-V301.xml container_oem • 20,252,734 bytes | $55 Open → |
Manuals, Diagrams & Photos (.PDF / .PNG) (4)
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Jiangxi Diesel Common Rail Training: Bosch, Delphi, and VW Engine Principles (145p PDF) [#121761] wiring_doc • 11,000,468 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Special Fault Code Clearing Methods for Diesel ECU Systems (16p PDF) [#32390] wiring_doc • 9,082,368 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Bosch Electronic Common Rail System Training: Weichai Landking Engine (33p PDF) [#2134] wiring_doc • 4,413,876 bytes | $35 Open → |
.PDF? .PDF — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | Yuchai China VI Delphi DCM7.24 DTC Fault Code List (29p PDF) [#32391] wiring_doc • 1,398,762 bytes | $35 Open → |
Video Courses & Teardowns (.MP4) (8)
.MP4? .MP4 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 27. installation oil sump.mp4 vip_video_course • 49,464,700 bytes | $85 Open → |
.MP4? .MP4 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 17. cylinder head and go forward windpipe installation.mp4 vip_video_course • 48,056,959 bytes | $85 Open → |
.MP4? .MP4 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 5. installation crankshaft general short name for Chengdu.mp4 vip_video_course • 47,856,860 bytes | $85 Open → |
.MP4? .MP4 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 15. rocker arm general adornment.mp4 vip_video_course • 45,951,511 bytes | $85 Open → |
.MP4? .MP4 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 18. adjustment valve interval.mp4 vip_video_course • 45,027,626 bytes | $85 Open → |
.MP4? .MP4 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 2. press adornment jar set.mp4 vip_video_course • 44,587,627 bytes | $85 Open → |
.MP4? .MP4 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 25. empty press Ji and its appendix installation.mp4 vip_video_course • 44,498,801 bytes | $85 Open → |
.MP4? .MP4 — Automotive ECU Engineering FileVerified binary firmware, WinOLS calibration map pack, or dealer technical schematic for ECU programming and diagnostics. | 23. low pressure / voltage YouTube and oil rail provide YouTube installation.mp4 vip_video_course • 43,603,500 bytes | $85 Open → |