Toyota Camry Hybrid AHV40 Manual page 357

BE-96
Step
i) The main body ECU turns ON the ACC relay, and then turns ON the IG1and IG2 relays.
The certification ECU checks that the power source has switched from OFF to IG-ON, and
j)
transmits a steering unlock signal to the main body ECU and ID code box.
k) The main body ECU receives this signal and supplies power to the steering lock ECU.
The steering lock ECU receives the steering unlock signal via the ID code box, and releases
l)
the steering lock.
After checking the steering unlock condition, the certification ECU transmits an HV
m)
immobilizer disengage signal to the ID code box.
The ID code box certifies the disengage signal of the certification ECU, transmits the HV
n)
immobilizer disengage signal to the THS ECU, and disengages the HV immobilizer.
After checking that the steering is in the unlocked condition, the main body ECU transmits
o)
a hybrid start signal to the THS ECU.
p) At this time, the main body ECU will turn OFF the indicator light of the power source switch.
Power Switch
CAN
(CAN No.1 Bus)
BODY ELECTRICAL - SMART KEY SYSTEM
p)
Main Body ECU
Certification ECU
System Operation
i)
i)
IG1 and IG2 Relays
k)
Steering Lock ECU
Local
Communication
o)
ACC Relay
l)
j), m)
ID Code Box
n)
THS ECU
02HBE61Y