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:

Rear Airbag Sensor LH Circuit Malfunction
DTC B1155/39 Rear Airbag Sensor LH Circuit Malfunction DESCRIPTION The rear airbag sensor LH circuit consists of the center airbag sensor assembly and rear airbag sensor LH. If the center airbag sensor assembly receives signals from the rear airbag sensor LH, it judges whether or not the ...

Removal
1. REMOVE FRONT SEAT INNER BELT ASSEMBLY HINT: Refer to the instructions for disassembly of the front seat assembly (for flat type). Refer to the instructions for disassembly of the front seat assembly (for manual seat). Refer to the instructions for disassembly of the fro ...

Display check mode
HINT: This mode checks the color display on the display. Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle. 1. ENTER DIAGNOSTIC MODE 2. D ...