Toyota Camry Hybrid AHV40 Manual page 356

Pattern A: OFF ! READY ON (THS II is start)
Step
a) The driver holds the key and enters the vehicle.
When the driver presses the power switch once with the following conditions satisfied, the
main body ECU recognizes the power switch signal and transmits the key certification
request to the certification ECU.
b)
D Shift position is P.
D Brake pedal depressed.
D Power source is at OFF.
The certification ECU receives the certification request and transmits a request signal to the
c)
front/rear oscillators. These oscillators then transmit the request signal.
The brake pedal is depressed, so the main body ECU turns ON the green indicator light of
d)
the power switch.
The moment the key receives the request signal, it transmits its ID code to the tuner. The
e)
signal includes the response code.
f) The tuner receives this code and transmits it to the certification ECU.
The certification ECU judges and certifies the ID code, and transmits a key certification OK
g)
signal to the main body ECU.
h) After receiving the key certification OK signal, the main body ECU turns ON the ACC relay.
Stop Light Switch
BODY ELECTRICAL - SMART KEY SYSTEM
System Operation
b)
b)
d)
Local Communication
f)
Tuner
e)
c)
c)
Key
h)
Main Body
ECU
CAN
(CAN No.1 Bus)
g)
b)
Certification
ECU
c) c)
Front / Rear
Oscillators
BE-95
ACC Relay
THS ECU
b)
Shift Position Sensor
02HBE60Y
(Continued)