Toyota Harrier ASU60/ASU65 Brake Booster Pump Wiring Diagram

[Roland.O]

This factory diagram gives you the circuit paths, fuse locations and terminal pinouts for the A23 connector assembly. It gives you the technical procedures for verifying motor power distribution, trace open control circuits and fix brake assist warning faults. Without this diagram you risk accidental short circuits and permanently damaging control modues and total loss of power braking assist.

Common questions that this diagram answers​

• What is the pinout chart for the brake booster pump A23 connector on a Toyota Harrier ASU60/ASU65?
• How do I test the high-current power feed and ground loops for the brake booster pump on an ASU60/ASU65?
• What are the factory wire colours for the auxiliary brake assist pump harness on a Toyota Harrier ASU60/ASU65?

How to access the diagram​

Click on the link below to access the complete OEM Manual, within it you will find the Brake Booster Pump Wiring Diagram. 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.