Toyota Sienna Service Manual: Power Source Circuit

Toyota Sienna Service Manual / Seat / Rear no. 2 Seat assembly (w/ Power Stowing Function) / On-vehicle inspection / 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)

Remove the fuses from the R/B No. 3.
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)

Remove the fold seat control ECU.
Disconnect the connectors from the fold seat control ECU.
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)

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:

Installation
HINT: Use the same procedures for the RH side and LH side. The procedures listed below are for the LH side. 1. INSTALL SIDE AIRBAG SENSOR LH Check that the ignition switch is off. Check that the battery negative (-) terminal is disconnected. CAUTION: Afte ...

Disassembly
1. Remove park/neutral position switch assembly (A) remove the nut, washer and control shaft lever. (B) using a screwdriver, unstake the nut stopper, and remove the lock nut and nut stopper. (c) Remove the 2 bolts and pull out the park/neutral position switch. 2. REMOVE BREATHER PLUG H ...

Towing with a wheel-lift type truck
From the front (2WD models) Release the parking brake. From the front (AWD models) Use a towing dolly under the rear wheels. From the rear Use a towing dolly under the front wheels. ...