Toyota Sienna Service Manual: System diagram

Definition of terms

Terms Definitions Monitor Description Description of what ECM monitors and how to detect malfunctions (monitoring purpose and details). Related DTCs A gro ...

How to proceed with troubleshooting

HINT: The intelligent tester can be used in steps 2, 3, 4, 6 and 9. 1 VEHICLE BROUGHT TO WORKSHOP 2 CONNECT INTELLIGENT TESTER TO DLC3 HINT: If the display indicates a communication fault in th ...

Other materials:

Wireless remote control
Vehicles without a smart key system (type A) Locks all doors Unlocks all doors Sounds the alarm Vehicles without a smart key system (type B) Locks all doors Unlocks all doors Opens and closes the left side power sliding door Opens and closes the right sid ...

On-vehicle inspection
1. INSPECT THROTTLE BODY (a) Listen to the throttle control motor operating sounds. (1) Turn the ignition switch to the ON position. (2) When pressing the accelerator pedal position sensor lever, listen to the running motor. Make sure that no friction noise comes from the motor. If fricti ...

Disassembly
1. REMOVE RETURN TUBE NO.2 (a) Using SST, remove the return tube No. 2. SST 09023-12701 2. REMOVE STEERING LEFT TURN PRESSURE TUBE (a) Using SST, remove the left turn pressure tube. SST 09023-38201 (b) Remove the 2 O-rings from the left turn pressure tube. 3. REMOVE STEERING RIGH ...