Toyota RAV4 manuals

Toyota Sienna Service Manual: Power Source Circuit

DESCRIPTION

Power is supplied to the fold seat control ECU through the L-RR2 SEAT and R-RR2 SEAT fuses.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT FUSE (L-RR2 SEAT, R-RR2 SEAT)

INSPECT FUSE (L-RR2 SEAT, R-RR2 SEAT)

  1. Remove the fuses from the R/B No. 3.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

2 CHECK HARNESS AND CONNECTOR (POWER SOURCE)

CHECK HARNESS AND CONNECTOR (POWER SOURCE)

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

Standard voltage: LH side

Standard voltage

RH side

Standard voltage

3 CHECK HARNESS AND CONNECTOR (GROUND)

CHECK HARNESS AND CONNECTOR (GROUND)

  1. 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

Indicator Circuit
DESCRIPTION This system has two indicator lights. One of the indicator lights is built into the fold seat switch. This indicator light receives power from the fold seat control ECU. It comes on or ...

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 ...

Other materials:

On-vehicle inspection
1. INSPECT REAR AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT REAR AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)  Perform a diagnostic system check.  When the quarter panel of the vehicle or ...

Headlight leveling switch
ON-VEHICLE INSPECTION 1. HEADLIGHT LEVELING SWITCH  Connect the battery positive (+) lead to the terminal 1 and the battery negative (-) lead to the terminal 5.  Measure the resistance between the terminal 4 and the battery negative (-) lead when headlight leveling switch ...

Inspection
1. INSPECT REAR DRIVE SHAFT ASSEMBLY LH (a) Check that there is no remarkable play in the radial direction of the outboard joint. (b) Check that the inboard joint slides smoothly in the thrust direction. (c) Check that there is no remarkable play in the radial direction of the inboard ...

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