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:

Removal
HINT: Remove the RH side by the same procedure as the LH side. 1. REMOVE REAR WHEEL 2. DRAIN BRAKE FLUID NOTICE: Wash the brake fluid off immediately if it attaches to any painted surface. 3. SEPARATE REAR BRAKE TUBE NO.4 (a) Remove the clip and a disconnect, the rear brake flexible hos ...

Air outlet control servo motor
ON-VEHICLE INSPECTION 1. INSPECT AIR OUTLET CONTROL SERVO MOTOR (a) Remove the air outlet control servo motor. (b) Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, then check that the lever turns to "DEF" position. (c) Connect ...

Initialization
1. RESET  When the battery is reconnected: The back door is locked and therefore cannot be opened. Therefore, it is necessary to unlock the back door using the door control switch or transmitter switch.  Reset the power back door system: The power back door ECU records the ...