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:

Disassembly
1. INSPECT UNDERDRIVE PLANETARY GEAR PRELOAD HINT: (See page AX-260) 2. REMOVE FRONT PLANETARY GEAR NUT (a) Using SST, loosen the staked part of the lock nut. SST 09930-00010 (09931-00010, 09931-00020), 09387-00050 (b) Place the underdrive planetary gear in a soft jaw vise. NOTIC ...

For vehicles equipped with srs airbag and seat belt pretensioner
The SIENNA is equipped with a Supplemental Restraint System (SRS). CAUTION: Failure to carry out the service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing and lead to serious injury. Furthermore, if a mistake is made when servicing SRS, it is poss ...

Steering Angle Sensor Circuit Malfunction
DTC C1231/31 Steering Angle Sensor Circuit Malfunction DESCRIPTION The steering angle sensor signal is sent to the skid control ECU through the CAN communication system. When there is a malfunction in the communication, it will be detected by the diagnosis function. WIRING DIAGRAM INS ...