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:

Perform signal check
HINT: When entering signal check mode, the tire pressure warning ECU sets all the signal check DTCs first. After completing signal check for each inspection item, the DTCs for systems that are determined to be normal by the tire pressure warning ECU will be erased. The DTCs f ...

Dtc check / clear
1. DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE): (a) DTC check (1) Using SST, connect terminals TC and CG of the DLC3. SST 09843-18040 (2) Turn the ignition switch to the ON position. (3) Read the DTCs from the ABS warning light on the combination meter. HINT: If no code appears, inspe ...

IG Power Source Circuit
DESCRIPTION The main power source is supplied to the A/C amplifier when the ignition switch is turned to the ON position. The power source is used for operating the A/C amplifier and servo motor, etc. WIRING DIAGRAM INSPECTION PROCEDURE HINT: Start the engine before inspection. Check ...