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:

Reassembly
1. Install position indicator slide cover (a) Install the position indicator slide cover No.2 to the position indicator slide cover. 2. INSTALL POSITION INDICATOR SLIDE COVER (a) Install the position indicator slide cover to the shift lever assembly. (b) Install the shift lever slide cov ...

Laser Sensor Power Source Circuit
DESCRIPTION This circuit provides power to the laser sensor. The laser sensor emits radio waves towards an object in front and measures the distance and direction of the object by receiving the beam reflections. Based on the reflections, the sensor calculates the difference in speed between t ...

Tire pressure warning system
Your vehicle is equipped with a tire pressure warning system that uses tire pressure warning valves and transmitters to detect low tire inflation pressure before serious problems arise. Vehicles with compact spare tire: The compact spare tire is not equipped with the tire pressure warning valve ...