Toyota RAV4 manuals

Toyota Sienna Service Manual: Initialization



HINT: Before starting the following procedure, make sure that the seatback position is stored in the fold seat control ECU and reclining motor (the seatback position is initialized).

  1.  Press and hold the stowing/return switch.
  2.  Within 10 seconds of pressing and holding the stowing/return switch, press the folding switch 5 times with the stowing/return switch held down.

HINT: If any of the following is performed during the initialization release steps, the release steps will be canceled.

  1.  If the folding switch is pressed 5 times within 10 seconds of pressing and holding the stowing/return switch, the initialization release operation is complete.

HINT: After the initialization release steps are completed, turn the ignition switch to the ON position and check that the 3rd SEAT indicator on the combination meter is on. If the 3rd SEAT indicator remains off even after the initialization release steps are completed, perform the initialization release steps again.



  1. Press the stowing/return switch to set the seat to the original state.
  2. Press and hold the power rear no. 2 seat switch until the seat is completely folded down.
  3. Continue pressing the power rear no. 2 seat switch for another 1 second with the seat folded down.

    Initialization is complete and the buzzer sounds.


How to proceed with troubleshooting
HINT:  Use these procedures to troubleshoot the power folding seat system.  *: Use the intelligent tester. 1 VEHICLE BROUGHT TO WORKSHOP 2 INSPECT BATTERY VOLTAGE Standard volta ...

Problem symptoms table
HINT:  Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspect Area" co ...

Other materials:

Check for short circuit
(a) If the wire harness is ground shorted (Fig. 5), locate the section by conducting a resistance check with the body ground (below).   (b) Check the resistance with the body ground. (1) Disconnect connectors A and C and measure the resistance. Standard resistance (Fig. 6) HIN ...

ECU Power Source Circuit
DESCRIPTION The position control ECU and switch assembly (power seat control switch and ECU) is contained in the switch assembly. During manual operation, only one switch signal is accepted. If signals are input from 2 or more switches simultaneously, all of them are ignored, except when s ...

Terminals of ecm
Sfi system Hint: The standard normal voltage between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The check results should be compared with the standard normal voltage for that pair of te ...

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