Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Seat / Rear no. 2 Seat assembly (w/ Power Stowing Function) / 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 voltage: 10 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

3 PROBLEM SYMPTOMS TABLE

Result

Result

4 OVERALL ANALYSIS AND TROUBLESHOOTING*

Terminals of ECU
On-vehicle Inspection

5 REPAIR OR REPLACE

6 CONFIRMATION TEST

END

System description

1. DESCRIPTION OF POWER REAR NO. 2 SEAT WITH STOWING FUNCTION A power rear no. 2 seat with stowing function has been adopted for the third-row seats. The power rear no. 2 seat wit ...

Initialization

HINT: The seatback position is initialized at the factory before shipment, so initialization is not normally required. There is an initialization function for cases when reinitializati ...

Other materials:

Installation
1. INSTALL CENTER REAR SEAT LAP TYPE BELT ASSEMBLY (for 8-Passenger) HINT: Refer to the instructions for reassembly of the rear No. 1 seat assembly (for center seat). Install the center rear seat lap type belt assembly with the bolt. Torque: 42 N*m (430 kgf*cm, 31 ft.*lbf) 2. I ...

Removal
1. REMOVE REAR DOOR SCUFF PLATE 2. REMOVE REAR DOOR WEATHERSTRIP 3. REMOVE BACK DOOR WEATHERSTRIP 4. REMOVE BACK DOOR SCUFF PLATE 5. REMOVE FRONT QUARTER TRIM PANEL ASSEMBLY Remove the floor anchor cover. Remove the bolt and disconnect the No. 2 rear seat outer belt assem ...

Indicators
The indicators inform the driver of the operating state of the vehicle’s various systems. *1: If equipped *2: These lights turn on when the engine switch is turned to the “ON” position (vehicles without a smart key system) or IGNITION ON mode (vehicles with a smart key system) to ...