Toyota RAV4 manuals

Toyota RAV4 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:

Front seats
Adjustment procedure Manual seat Seat position adjustment lever Seatback angle adjustment lever Vertical height adjustment lever (driver’s side only) Power seat (driver’s side only) Seat position adjustment switch Seatback angle adjustment switch seat cushion (f ...

Test mode procedure
Hint: By switching the skid control ecu from normal mode to test mode, abnormality detection sensitivity is enhanced and troubleshooting can be conducted efficiently. Perform a sensor check in test mode after the speed sensor or sensor rotor has been repaired or replaced. If the igniti ...

Disassembly (2006/01- )
Remove front axle inboard joint boot no. 2 Clamp One touch type: using a screwdriver, remove the no. 2 Inboard joint boot clamp, as shown in the illustration. Claw engagement type: using needle-nose pliers, remove the no. 2 Inboard joint boot clamp, as shown in the illustra ...

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