Toyota Sienna Service Manual: How to troubleshoot ecu controlled systems

Vehicle lift and support locations

1. NOTICE ABOUT VEHICLE CONDITION WHEN JACKING UP VEHICLE (a) The vehicle must be unloaded before jacking up/ lifting up the vehicle. Never jack up/lift up a heavily loaded vehicle. (b) When re ...

General information

A large number of ECU controlled systems are used in the SIENNA. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoo ...

Other materials:

SRS Warning Light Remains ON
DESCRIPTION The SRS warning light is located on the combination meter assembly. When the SRS is normal, the SRS warning light comes on for approximately 6 seconds after the ignition switch is turned from the LOCK position to ON position, and then goes off automatically. If there is a mal ...

Installation
1. INSTALL PARKING BRAKE CABLE ASSEMBLY NO.3 (a) Install the parking brake cable LH guide to the parking brake cable assembly No. 3. (b) Connect the parking brake cable No. 3 to the parking brake cable equalizer. (c) Install the parking brake cable No. 3 with the 3 bolts and button. T ...

Types of child restraints
Child restraint systems are classified into the following 3 types according to the age and size of the child: Rear facing - Infant seat/convertible seat Forward facing - Convertible seat Booster seat Selecting an appropriate child restraint system Use a child rest ...