Toyota Sienna Service Manual: Parts location

Precaution

1. PRECAUTION OF HEADLIGHT BULB REPLACEMENT  When any defects such as deformation, crack, dent, chipping, etc. are identified on the discharge headlight (especially, on the light control ...

How to proceed with troubleshooting

1 VEHICLE BROUGHT TO WORK SHOP 2 CUSTOMER PROBLEM ANALYSIS 3 CHECK BODY MULTIPLEX COMMUNICATION SYSTEM Check for the DTC outputs. 4 DTC CHECK 5 DTC CHART 6 PROBLEM SYMPTOMS TABLE 7 TERMINA ...

Other materials:

Fold Seat Switch Circuit
DESCRIPTION When the fold seat switch is operated, a switch operation signal is sent to the fold seat control ECU. The ECU receives switch operation signals from each switch and activates the folding motor, reclining motor, and release actuator. WIRING DIAGRAM INSPECTION PROCEDURE 1 IN ...

For vehicles equipped with mobile communication systems
FOR VEHICLES EQUIPPED WITH MOBILE COMMUNICATION SYSTEMS (a) Install the antenna far away from the ECU and sensors of the vehicle electronic systems as possible. (b) Install an antenna feeder at least 20 cm (7.87 in.) away from the ECU and sensors of the vehicle electronic systems. For de ...

Precaution
1. PRECAUTION OF HEADLIGHT BULB REPLACEMENT  When any defects such as deformation, crack, dent, chipping, etc. are identified on the discharge headlight (especially, on the light control ECU), replace it with a new one.  Even if the operation seems to be normal, the failsafe ...