This is the original OEM manual of the 2010 Toyota 4Runner wiring diagrams in a simple PDF file format.
It is the same manual that your local Toyota dealer mechanics use to diagnose and repair your car.
This manual contains circuit wiring diagrams of each electrical system, wiring route diagrams and harnesses, and an electric diagram showing the location of relays, etc. It is the same manual that your local Toyota dealer is using when repairing your Lexus.
You can download the full OEM service and workshop repair manual from here.
|File Size||10.5 MB|
|Delivery Method||Instant Download|
This wiring diagrams manual provides information on the electrical circuits installed on vehicles by dividing them into a circuit for each system.
The actual wiring of each system circuit is shown from the point where the power source is received from the battery as far as each ground point. (All circuit diagrams are shown with the switches in the OFF position.)
When troubleshooting any problem, first understand the operation of the circuit where the problem was detected (see System Circuit section), the power source supplying power to that circuit (see Power Source section), and the ground points (see Ground Point section). See the System Outline to understand the circuit operation.
When the circuit operation is understood, begin troubleshooting of the problem circuit to isolate the cause. Use Relay Location and Electrical Wiring Routing sections to find each part, junction block and wiring harness connectors, wiring harness and wiring harness connectors and ground points of each system circuit. Internal wiring for each junction block is also provided for a better understanding of the connection within a junction block.
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Download: 2010 Toyota 4Runner Wiring Diagrams
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