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:

Disassembly
1. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY (a) Align the matchmarks on the steering intermediate shaft assembly and main shaft. (b) Remove the bolt and steering intermediate shaft assembly. 2. REMOVE KEY CYLINDER LIGHT ASSEMBLY (w/o Engine Immobiliser System) 3. REMOVE TRANSPONDER K ...

Coolant
Replacement 1. REMOVE NO. 1 ENGINE UNDER COVER (See page EM-26) 2. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 3. DRAIN ENGINE COOLANT (a) Loosen the radiator drain cock plug. HINT: Collect the coolant in a container and dispose of it according to the regulations in your area. (b ...

Summary of the Blind Spot Monitor
The Blind Spot Monitor is a system that has 2 functions: The Blind Spot Monitor function Assists the driver in making the decision when changing lanes The Rear Cross Traffic Alert function Assists the driver when backing up These functions use same sensors. BSM main switch Pre ...

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