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:

Reassembly
1. INSTALL FRONT DISC (a) Aligning the matchmarks, install the front disc. HINT: Select the installation position where the disc has the minimum runout. 2. INSPECT DISC RUNOUT (a) Temporarily fasten the disc with the hub nuts. Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf) (b) Using a ...

Installation
1. INSTALL KNOCK CONTROL SENSOR Install the 2 knock control sensors with the 2 bolts as shown in the illustration. Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) Connect the 2 knock control sensor connectors. 2. INSTALL INTAKE MANIFOLD 3. INSTALL FUEL MAIN TUBE SUB-ASSEMBLY 4 ...

Freeze frame data
1. FREEZE FRAME DATA (a) Whenever a DTC is detected or the ABS operates, the skid control ECU stores the current vehicle (sensor) state as freeze frame data. The skid control ECU stores the number of times (maximum: 31) the ignition switch has been turned from OFF to the ON position since th ...