When a call is received, the following screen is displayed together with a sound.
To answer the phone

Press the
switch on the steering
wheel or select
.
To refuse a call
Press the
switch on the steering
wheel or select 
To adjust the incoming call volume
Turn the “PWR•VOL” knob. You can also adjust the volume using the steering switches.
International calls
Received international calls may not be displayed correctly depending on the cellular phone in use.
Making a call
Speaking on the phoneGeneral information
A large number of ECU controlled systems are used in the
SIENNA. In general, ECU controlled systems are considered
to be very intricate, requiring a high level of technical
knowledge to troubleshoot. However, most problem checking
procedures only involve inspecting the ECU controlled
system's c ...
Terminals of ECU
1. COMBINATION METER ASSEMBLY
*1: with Power Rear No. 2 Seat with Stowing Function
*2: with Theft Deterrent System
Waveform 1 (Reference) : Using an oscilloscope:
OK:
HINT:
As vehicle speed increases, the cycle of the signal
waveform narrows.
Wavefor ...
Diagnosis system
DESCRIPTION
(a) When troubleshooting OBD II (On-Board
Diagnostics) vehicles, an intelligent tester
(complying with SAE J1987) must be connected to
the DLC3 (Data Link Connector 3) of the vehicle.
Various data in the vehicle's ECM (Engine Control
Module) can be then read.
(b) OBD II regu ...