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 combination light assembly
COMPONENTS REMOVAL 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE REAR COMBINATION LIGHT ASSEMBLY Remove the 2 bolts. Disengage the 2 pins and separate the rear combination light assembly as shown in the illustration. Disconnect the connector a ...

If the shift lever cannot be shifted from P
If the shift lever cannot be shifted with your foot on the brake pedal, there may be a problem with the shift lock system (a system to prevent accidental operation of the shift lever). Have the vehicle inspected by your Toyota dealer immediately. The following steps may be used as an emergency ...

Disassembly
1. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY (a) Align the matchmarks on the steering intermediate shaft assembly and main shaft. (b) Remove the bolt and steering intermediate shaft assembly. 2. REMOVE KEY CYLINDER LIGHT ASSEMBLY (w/o Engine Immobiliser System) 3. REMOVE TRANSPONDER K ...