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:

Air conditioning controls
Adjusting the temperature setting Turn the “TEMP” dial clockwise to increase the temperature and counterclockwise to decrease the temperature. The “SYNC” button The air conditioning system switches between individual (indicator( s) off) and simultaneous (indicators on) modes. Whe ...

Hazard warning switch
INSPECTION 1. HAZARD WARNING SIGNAL SWITCH ASSEMBLY Check that there is resistance between the terminals at each switch position as shown in the chart. Resistance Inspect illumination operation. Connect the positive (+) lead from the battery to the termina ...

Removal
1. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 2. DISCONNECT VENTILATION HOSE (a) Disconnect the ventilation hose from the ventilation valve. 3. REMOVE VENTILATION VALVE (a) Remove the ventilation valve. ...