Starting the engine
Changing the engine switch positions
The steering wheel is locked and the key can be removed. (The key can be removed only when the shift lever is in p.)
Some electrical components such as the audio system can be used.
All electrical components can be used.
For starting the engine.

Turning the key from “acc” to “lock”

If the engine does not start
The engine immobilizer system may not have been deactivated. („_P. 76) Contact your toyota dealer.
When the steering lock cannot be released
When starting the engine, the engine
switch may seem stuck in the “lock”
position. To free it, turn the key while turning
the steering wheel slightly left and
right. 
Key reminder function
A buzzer sounds if the driver’s door is opened while the engine switch is in the “lock” or “acc” position to remind you to remove the key.
Caution
When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
Caution when driving
Do not turn the engine switch to the “lock” position while driving. If, in an emergency, you must turn the engine off while the vehicle is moving, turn the engine switch only to the “acc” position to stop the engine. An accident may result if the engine is stopped while driving.
Notice
To prevent battery discharge
Do not leave the engine switch in the “acc” or “on” position for long periods of time without the engine running.
When starting the engine
Engine (ignition) switch
(vehicles with a
smart key system)Fuel pump control circuit
Description
When the engine is cranked, the starter relay drive signal output from the
star terminal of the ecm is
input into the sta terminal of the ecm, and ne signal generated by the
crankshaft position sensor is also
input into the ne+ terminal. Thus, the ecm interprets that the engine is ...
Terminals of ecu
Check instrument panel junction block (main body ecu)
Disconnect the ib and ie junction block connectors.
Measure the voltage and resistance of the wire
harness side connectors.
Reconnect the ib and ie junction block connector.
Measure the voltage of the wire harness ...
Multiplex communication circuit
Description
The air conditioning amplifier communicates data with the ecm and combination
meter through the can
communication system.
Wiring diagram
Inspection procedure
Check dtc
Clear the dtc (see page ac-127).
Read the dtc (see page ac-127).
Result
Go to can ...