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Repair Manual & Wiring Diagrams / Hongqi  /  2021 Hengqi H9 Maintenance Manual and Circuit Diagrams

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48V Motor Control Unit Start/Stop Motor Assembly 48V motor control system 48V battery control unit Power battery assembly 48V Battery Management System Central Gateway Controller Assembly ECU terminal Notes System diagram System Description Terminal resistance Part location 127_PDFsam_Diagnostic Trouble Code Table 169_PDFsam_diagnostic_troubleshooting_code_table 1_PDFsam_Diagnostic Trouble Code Table 211_PDFsam_Diagnostic_Fault_Code_Table 43_PDFsam_Diagnosis_Fault_Code_Table 85_PDFsam_Diagnostic Trouble Code Table Diagnostic Trouble Code Chart CAN communication system CAN communication system DCDC control unit DCDC assembly DCDC control system Dashboard assembly Sub-dash assembly Rear Sub-dash Assembly Garbage box assembly Steering column shield Instrument panel Front-facing camera and mount assembly Rear-mounted camera and bracket assembly Specification Environment Requirements Ultrasonic sensor assembly Parking radar controller assembly ECU terminal How to troubleshoot Fault Symptoms Table

What are the core differences between 17vin's data and those of other institutions?

Regional Focus: 17vin delves deep into automotive repair data in the Chinese market, holding significant advantages in terms of update timeliness and content completeness.
VIN Parsing Support: 17vin's core business encompasses VIN (Vehicle Identification Number) parsing services. When using our repair data, you can directly invoke the VIN parsing interface to swiftly and accurately locate the exclusive repair manual corresponding to the customer's vehicle, eliminating the need for manual screening and matching, and greatly enhancing repair efficiency.

Which brands' repair manuals and circuit diagrams can 17vin provide?

We primarily offer data for numerous Chinese automotive brands, including BYD, Geely, Chery, Great Wall, Li Auto, NIO, XPeng, Changan, GAC, SAIC, Hongqi, Dongfeng, and Wuling, covering over 95% of domestically available models from 2015 to the present, fully meeting mainstream repair demands. If you have specific brand requirements (not limited to Chinese automotive brands), simply specify the target brand, and we will exclusively plan and handle data integration for the relevant brand, flexibly adapting to your business scenarios.

What is the update cycle for 17vin's repair manuals and circuit diagrams?

Regular Updates to Keep Pace with Technological Evolution: The regular update cycle for the data is approximately one year, ensuring that the content remains synchronized with vehicle technological advancements and updates to repair standards, providing you with the latest and most accurate repair information.
Immediate Response to Special Update Needs: If you have update requirements due to business needs (such as urgent repairs for new models or supplementary specific technical data), we will provide immediate update services based on your actual scenarios, fully ensuring the timeliness of the data.

How are 17vin's repair manuals and circuit diagrams delivered?

Clear Data Specifications: The overall size of repair data and circuit diagrams for a single brand typically ranges from 5 to 25GB (with slight variations depending on the number of models and the level of detail in the data).
Secure and Convenient Delivery Method: Delivery is carried out in a combined format of "encrypted compressed package + online cloud storage." The cloud storage supports mainstream platforms such as OneDrive, ensuring both the security of the data and convenient access for your use.

Price Request

If you need to obtain technical documentation (repair manuals/wiring diagrams) for a specific vehicle model, please provide the following key information to help us accurately match the materials and respond promptly:
Brand & Vehicle Model Details:   (e.g., Jetour X70 PLUS 2026 Model, BYD E-VALI BEV Version)
Vehicle Identification Number (VIN):  
Please send the above information to: .
We will verify the material inventory as soon as possible and provide you with a detailed quotation and access plan.

17vin.com is a Professional platform for VIN decoding and parts searching, and we provide automotive aftermarket data service, including VIN decoding, parts serching by VIN, parts serchingby model list, OE searching etc.
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