The steering wheel switches can be used to operate a connected cellular phone.
Operating a telephone using the steering wheel switches

Calling the message sender
Bluetooth® phone
settingsEject Error/ Elevator Error/ Clamp Error
DTC 63-45 Eject Error
DTC 63-51 Elevator Error
DTC 63-52 Clamp Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
63-45
Magazine cannot be ejected.
Radio and navigation assembly
63-51
Mechanical error occurs during elevator ...
ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the theft deterrent (warning) ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
Remove the ECU-B fuse from the engine room J/B.
Measure the resistance.
Standard resistance:
Below 1 Ω
2 CHECK INSTRUMENT PANEL ...
Yaw Rate Sensor Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Yaw Rate Sensor
Communication Stop
Mode
"Yaw rate/ Deceleration sensor" is not displayed on
the "Communication Bus Check" screen of the
intelligent tester
Applies to & ...