Toyota RAV4 manuals

Toyota RAV4 Service Manual: When servicing active torque control 4wd vehicles

Toyota RAV4 Service Manual / Introduction / Repair instruction / Precaution / When servicing active torque control 4wd vehicles

  1. The active torque control 4wd rav4 is equipped with the 4 wheel drive control system.

    If incorrect preparations or test procedures are used, the test will not only be unsuccessful, but may be dangerous as well.

Caution:

Notice:

  1. Therefore, before beginning any such servicing or test, be sure to check the following items:
  2. Whether the tires are touching the ground or jacked up
  3. Transmission gear position
  4. Maximum testing vehicle speed
  5. Maximum testing time

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. When using a braking force tester (not free roller type):

When performing measurements using a low-speed type (vehicle speed: below 0.5 Km/h or 0.3 Mph) brake tester, observe the following instructions.

  1. Press the 4wd lock-mode switch to off to disable the 4wd system.
  2. If the vehicle is equipped with the vehicle stability control (vsc) & traction control (trac) system, prohibit the system from activating.

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. Position the front wheels to be tested on the tester.
  2. Jack up the rear wheels.
  3. Ensure that the vehicle does not move using wires.
  4. Shift the transmission shift lever to the "n" position.
  5. Idle the engine, operate the brake booster and perform the test.

Caution:

The maximum driving time should be 1 minute.

  1. When using a braking force tester (free roller type): when performing measurements using a low-speed type (vehicle speed: below 0.5 Km/h or 0.3 Mph) brake tester, observe the following instructions.

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. Press the 4wd lock-mode switch to turn it off and disable the 4wd system.
  2. If the vehicle is equipped with the vehicle stability control (vsc) & traction control (trac) system, prohibit the system from activating.

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. Position the front wheels on the tester roller.
  2. Position the rear wheels on the free roller.
  3. Ensure that the vehicle does not move using wires.
  4. Shift the transmission shift lever to the "n" position.
  5. Idle the engine, operate the brake booster and perform the test.

Caution:

The maximum driving time should be 1 minute.

  1. When using a speedometer (not free roller type): observe the following instructions and then measure with the rear wheels.

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. Press the 4wd lock-mode switch to turn it off and disable the 4wd system.
  2. If the vehicle is equipped with the vehicle stability control (vsc) & traction control (trac) system, prohibit the system from activating.

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. Position the front wheels on the tester.
  2. Jack up the rear wheels.
  3. Ensure that the vehicle does not move using wires.
  4. Shift the transmission shift lever to the "d" position.

Caution:

  1. When using a speedometer (free roller type): observe the following instructions and then measure with the rear wheels.

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. Press the 4wd lock-mode switch to turn it off and disable the 4wd system.
  2. If the vehicle is equipped with the vehicle stability control (vsc) & traction control (trac) system, prohibit the system from activating.

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. Position the front wheels on the tester roller.
  2. Position the rear wheels on the free roller.
  3. Ensure that the vehicle does not move using wires.
  4. Shift the transmission shift lever to the "d" position.

Caution:

  1. Using chassis dynamometer

Toyota RAV4. When servicing active torque control 4wd vehicles


Toyota RAV4. When servicing active torque control 4wd vehicles


When performing high speed, high load measurements on a chassis dynamometer, observe the following instructions and then measure with the front wheels.

  1. If the vehicle is equipped with the vehicle stability control (vsc) & traction control (trac) system, prohibit the system from activating
  2. Ensure that the vehicle is securely fixed in place.

    Hint:

  1. On-vehicle wheel balancing: when performing on-vehicle wheel balancing on an active torque control 4wd vehicle, to prevent each wheel from being rotated at a different speed and in different directions, always be sure to observe the following precautions.

Toyota RAV4. When servicing active torque control 4wd vehicles


  1. All 4 wheels should be jacked up and lifted off of the ground completely.
  2. Press the 4wd lock-mode switch to turn it off and disable the 4wd system.

Caution:

Propeller shaft should be removed.

  1. If the vehicle is equipped with a vehicle stability control (vsc) system, prohibit the system from activating (see previous step).
  2. The parking brake lever should be fully released.
  3. None of the brakes should be applied.
  4. The wheels should be driven on the wheel balancer with the engine running.
  5. Carry out the wheel balancing with the transmission in the d position.

Hint:

For vehicles equipped with vehicle stability (vsc) system
Notices when using drum tester Before beginning testing, disable the vsc. To disable the vsc, turn the ignition switch off and connect sst to terminals 12 (ts) and 4 (cg) of the dlc ...

When towing active torque control 4wd vehicles
Use one of the methods shown below to tow the vehicle. If the vehicle has trouble in the chassis and drivetrain, use method 1 (flat bed truck). Notice: Do not use any towing method ot ...

Other materials:

Ecu power source circuit
Description This is the power source for the tire pressure warning ecu. Wiring diagram Inspection procedure Notice: It is necessary to register an id code after replacing the tire pressure monitor valve and/or the tire pressure warning ecu (see page tw-9). Inspect fuse (ecu-ig1) ...

Open in occupant classification ecu battery positive line
Description Dtc b1794 is set when a malfunction is detected in the occupant classification ecu battery positive line. Wiring diagram Inspection procedure Check for dtc Turn the ignition switch on. Clear the dtcs (see page rs-249). Hint: First clear dtcs stored in the ...

Brk relay
On-vehicle inspection Inspect brk relay Remove the brk relay from the engine room no. 1 Relay block. Measure the resistance of the relay. Standard resistance If the result is not as specified, replace the relay. ...

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