Toyota Harrier ASU60 ASU65 8AR-FTS Engine Harness Routing

[Roland.O]

This diagram gives the layout paths, grounding junctions, structural brackets and retainers for the 8AR-FTS engien wiring loom. It gives the OEM data required for harness routing verification, tracing signal paths and locating areas of heat damage around the turbocharger assembly. Misrouting the primary engine loom without OEM specs poses a severe risk of pinching or placing cables close to high temp turbo components. These can result in short circuits, communication dropouts, extended diagnostic time and engine fires.

Common questions that this diagram answers​

1. How is the main engine wiring loom routed on a Toyota Harrier ASU60/ASU65 with the 8AR-FTS engine?
2. Where are the factory wiring harness brackets located for the 8AR-FTS turbocharger assembly?
3. What path does the sensor wiring harness take from the ECU to the fuel injection rail on an ASU60/ASU65 Harrier?
4. Where can I find the official factory "Wire and Wire" diagram for the ASU60/ASU65 Toyota Harrier turbo engine?
5. How do I securely tie down the alternator and starter wire harness on an 8AR-FTS Harrier powertrain?

How to access the diagram​

Click on the link below to access the complete OEM Manual, within it you will find the Engine Harness Routing. I have given the screenshot below to help you quickly navigate to the section where the diagram is located. Once you find it, you can then print or save it. Let me know if you face any challenges or have any questions and I will be happy to answer in the thread below. Please note that the year in the document is not the YOM but the document release date so it covers the entire model range. Also note the document applies to all countries where the model is sold Including Singapore, Australia, Malaysia, Kenya, UK, New Zealand, etc.