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:

Removal (2005/11-2006/01)
Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove front door scuff plate lh Using a screwdriver, detach the 10 cla ...

Opening the fuel tank cap
Pull up the opener to open the fuel filler door. Turn the fuel tank cap slowly to open. Hang the fuel tank cap on the back of the fuel filler door. ...

Fastening and releasing the seat belt
To fasten the seat belt, push the plate into the buckle until a click sound is heard. To release the seat belt, press the release button A. â– Emergency locking retractor (ELR) The retractor will lock the belt during a sudden stop or on impact. It may also lock if you lean forward too quickly ...

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