Toyota RAV4 manuals

Toyota Sienna Service Manual: Folding Motor Circuit

DESCRIPTION

The fold seat control ECU receives a switch operation signal from the fold seat switch and activates the folding motor. At this time, the Hall IC (seat cushion position sensor) detects the actuation signal. The fold seat control ECU uses signals from the Hall IC (seat cushion position sensor) to detect if an object if an object is caught or if any other abnormal condition has occurred.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT FOLD SEAT CONTROL ECU

INSPECT FOLD SEAT CONTROL ECU

  1. Remove the fold seat control ECU.
  2.  Measure the voltage according to the value(s) in the table below.

Standard voltage: LH side

Standard voltage

RH side

Standard voltage

2 CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - FOLDING MOTOR)

CHECK HARNESS AND CONNECTOR

  1. Disconnect the connector from the fold seat control ECU.
  2.  Disconnect the connector from the fold seat motor.
  3. Measure the resistance according to the value(s) in the table below.

Standard resistance: LH side

Standard resistance

RH side

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Fold Seat Switch Circuit
DESCRIPTION When the fold seat switch is operated, a switch operation signal is sent to the fold seat control ECU. The ECU receives switch operation signals from each switch and activates the fold ...

Reclining Motor Circuit
DESCRIPTION The fold seat control ECU receives a switch operation signal from the power rear no. 2 seat switch and the fold seat switch, and activates the reclining motor. At this time, the Hall ...

Other materials:

High pitched horn
COMPONENTS REMOVAL 1. REMOVE FRONT BUMPER COVER 2. REMOVE HIGH PITCHED HORN  Disconnect the connector.  Remove the bolt and horn. INSPECTION 1. INSPECT HIGH PITCHED HORN  Apply battery voltage and check operation of the horn, as shown in the table. Standard ...

Operation check
NOTICE: Inspection should be started after conforming that the items listed in the "CUSTOMIZE PARAMETER" for the power back door system have defaulted to the initial settings 1. CHECK OPENING OPERATION Conditions necessary for the power back door to open: Power back d ...

On-vehicle inspection
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. With the curtain shield airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front pillar garn ...

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