Toyota Sienna Service Manual: 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 the authorized ignition key. If an attempt is made to start the engine using a non-authorized key, the transponder key ECU sends a signal to the ECM to prohibit fuel delivery and ignition, effectively disabling the engine.
How to proceed with
troubleshooting
HINT:
Use this procedure to troubleshoot the engine immobiliser
system.
The intelligent tester should be used in steps 4, 5 and 7.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROB ...
Other materials:
List of storage features
Auxiliary boxes
Cup holders
Door pockets
Bottle holders
Glove boxes
Console box (if equipped)
WARNING
Do not leave glasses, lighters or spray cans in the storage
spaces, as this
may cause the following when cabin temperature becomes high:
Glas ...
AVC-LAN Circuit
DESCRIPTION
Each unit of the audio system connected to the AVC-LAN (communication bus)
transfers the signal of
each switch by communication.
When a short to +B or short to ground occurs in this AVC-LAN, the audio system
will not function normally
as the communication is discontinued.
INSP ...
Throttle / Pedal Position Sensor / Switch "D"
Circuit Range / Performance
DTC P2121 Throttle / Pedal Position Sensor / Switch "D"
Circuit Range / Performance
HINT:
This DTC relates to the Accelerator Pedal Position (APP) sensor.
DESCRIPTION
Refer to DTC P2120
MONITOR DESCRIPTION
The accelerator pedal position sensor is mounted on the accelerator pedal ...
