Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Check and replace ecu

Notice:

Toyota RAV4. Check and replace ecu


  1. First, check the ecu ground circuit. If it is faulty, repair it. If it is normal, the ecu could be faulty.

    Temporarily replace the ecu with a normally functioning one and check if the problem symptoms occur. If the problem symptoms disappear, replace the original ecu.

  1. Measure the resistance between the ecu ground terminal and body ground.

    Standard resistance: Below 1 ù

  2. Disconnect the ecu connector. Check the ground terminal on the ecu side and wire harness side for bending, corrosion or foreign matter. Lastly, check the contact pressure of the female terminals.
Check for short circuit
If the wire harness is ground shorted (fig. 5), Locate the section by conducting a resistance check with the body ground (below). Check the resistance with the body ground. Disconne ...

Terms
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Other materials:

Combination meter ecu communication stop mode
Description Wiring diagram Inspection procedure Notice: Turn the ignition switch off before measuring the resistances of the main wire and the branch wire. After the ignition switch is turned off, check that the key reminder warning system and light reminder warning system ...

Test mode procedure
Test mode check Hint: When entering the test mode, the tire pressure warning ecu sets all the test dtcs first. After completing the test mode for each inspection item, the dtcs that are determined normal by the tire pressure warning ecu will be erased. The dtcs for other inspec ...

Disassembly
Remove sliding roof drive gear subassembly Remove the claw and room light bracket. Remove the 2 bolts and drive gear. Remove sliding roof drain hose joint lh Remove the screw and joint. Remove sliding roof drain hose joint rh Hint: Use the same proced ...

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