Toyota Hilux GUN125 GUN126 Main Body ECU BCM Connector Pinout Toyota Hilux GUN125 GUN126 Main Body ECU BCM Connector Pinout

Toyota Hilux GUN125 GUN126 Main Body ECU BCM Connector Pinout

technical diagrams PDF #6254

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Technician-focused OEM reference for the Toyota Hilux GUN125/GUN126 Main Body ECU / BCM connectors G302, G303 and G304, including connector diagrams, Toyota connector housing part numbers, numbered cavities, terminal references and factory wire-color information. Click To Read More


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Format: Instant Digital Download (PDF)

This technician-focused OEM reference provides the Main Body ECU / BCM connector interfaces for the Toyota Hilux GUN125/GUN126. Years covered: 2015, 2016, 2017, 2018, 2019, 2020, 2021.

Included Connector References

  • G302 numbered cavities 1–30 (OEM Part No: 90980-12E98)
  • G303 numbered cavities 1–27 (OEM Part No: 90980-12C63)
  • G304 numbered cavities 1–30 (OEM Part No: 90980-12C62)

The document includes the applicable OEM connector diagrams together with the terminal and wire-color information strictly as per the original OEM documentation.

Useful For

  • Main Body ECU / BCM connector identification
  • BCM pinout reference
  • Terminal-position identification
  • Connector housing identification using OEM part numbers
  • Replacement connector housing lookup
  • Harness continuity planning
  • Main Body ECU wiring and harness inspection
  • Identifying the correct Main Body ECU connector before electrical diagnosis
  • Avoiding diagnosis of the wrong Main Body ECU connector or terminal

Technical Scope

This product contains verified OEM Main Body ECU connector and terminal information from the applicable Toyota wiring documentation. A link to the complete OEM manual is provided.

Circuit functions, signal names, test values or other technical information not provided in the OEM documentation are not inferred or added.

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