Toyota Sienna Service Manual: Engine immobiliser

Security horn assembly

INSPECTION 1. INSPECT SECURITY HORN ASSEMBLY  Check operation of the horn. Standard If the result is not a ...

Engine immobiliser system

PARTS LOCATION SYSTEM DESCRIPTION The engine immobiliser system has been designed to prevent the vehicle from being stolen. This system uses a transponder key ECU that stores the key code of t ...

Other materials:

Diagnostic trouble code chart
If a DTC is displayed during the DTC check, check the parts listed in the table below and proceed to the page given. HINT: *1: Comes on MIL (Malfunction Indicator Lamp) light up *2: "DTC stored" mark means ECM memorizes the malfunction code if the ECM detects the DTC detection ...

Wireless remote control/ electronic key battery
Replace the battery with a new one if it is depleted. You will need the following items: Flathead screwdriver Lithium battery CR2032 Replacing the battery Vehicles without a smart key system Remove the cover using a coin protected with tape etc. Remove the deplete ...

For rear air conditioning system
ON-VEHICLE INSPECTION 1. INSPECT REAR AIR MIX CONTROL SERVO MOTOR (a) Inspect servo motor operation. (1) Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, then check that the arm turns to "HOT" side smoothly. (2) Connect the po ...