Toyota RAV4 manuals

Toyota RAV4 Service Manual: General information

A large number of ecu controlled systems are used in the rav4. In general, ecu controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoot. However, most problem checking procedures only involve inspecting the ecu controlled system's circuits one by one. An adequate understanding of the system and a basic knowledge of electricity is enough to perform effective troubleshooting, accurate diagnoses and necessary repairs.

For using intelligent tester

Toyota RAV4. General information


Connect the cable of the intelligent tester to the dlc3, turn the ignition switch on and attempt to use the tester. If the display indicates that a communication error has occurred, there is a problem either with the vehicle or with the tester.

* If communication is normal when the tester is connected to another vehicle, inspect the dlc3 of the original vehicle.

* If communication is still not possible when the tester is connected to another vehicle, the problem may be in the tester itself. Consult the service department listed in the tester's instruction manual.

How to troubleshoot ecu controlled systems
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How to proceed with troubleshooting
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Other materials:

Camshaft position sensor "a" circuit (bank 1 or single sensor)
Description The camshaft position (cmp) sensor consists of a magnet and an iron core which is wrapped with copper wire, and is installed onto the cylinder head. When the camshaft rotates, each of 3 teeth on the camshaft passes through the cmp sensor. This activates the internal magnet in ...

Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. Vehicles without a smart key system: turn the engine switch to the “lock” position. Vehicles with a smart key system: turn the engine switch off. Aft ...

Terminals of ecm
Check ecm Disconnect the a9 and b30 connectors. Measure the voltage and resistance of the wire harness side connectors. If the result is not as specified, there may be a malfunction on the wire harness side. ...

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