Toyota Sienna Service Manual: How to proceed with troubleshooting

Check and replace ecu

NOTICE: • The connector should not be disconnected from the ECU. Perform the inspection from the backside of the connector on the wire harness side. • When no measuring condition is s ...

Operation flow

HINT: Perform troubleshooting in accordance with the procedures below. The following is an outline of basic troubleshooting procedures. Confirm the troubleshooting procedures for the circuit you a ...

Other materials:

Installation
1. INSTALL HEADLIGHT ASSEMBLY  Connect the connectors.  Install the headlight assembly with the bolt and 3 screws. 2. INSTALL FRONT BUMPER ASSEMBLY 3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 4. VEHICLE PREPARATION FOR HEADLIGHT AIMING 5. PREPARATION FOR HEADLIGHT AIMI ...

Precaution
CAUTION:  The vehicle is equipped with a Supplemental Restraint System (SRS). It consists of a driver airbag, front passenger airbag, front seat side airbag, curtain shield airbag, and front seat belt pretensioner. Failure to carry out service operations in the correct sequence co ...

Power Slide Door LH does not Operate When Satellite Switch is Pressed
DESCRIPTION  The power slide door operates only when the power slide door main switch is ON (switch free: orange paint on the top of the switch appears). The power slide door ECU LH controls the power slide door LH, which activates the slide door motor to open / close the slide do ...