Toyota Sienna Service Manual: Multiplex Communication Circuit
DESCRIPTION 
INSPECTION PROCEDURE
1 GO TO CAN COMMUNICATION SYSTEM
(a) Refer to the CAN communication system (See page CA- 7).
(b) If the CAN communication system is operating normally, proceed to the next step.
2 GO TO MULTIPLEX COMMUNICATION SYSTEM (BEAN)
(a) Refer to the multiplex communication system (See page MP-4).
END
Compressor Solenoid Circuit
DESCRIPTION
In this circuit, the compressor receives a refrigerant compression demand
signal from the A/C amplifier.
Based on this signal, the compressor changes the amount of compressor output. ...
Blower Motor Circuit
DESCRIPTION
The blower motor is operated by signals from the A/C amplifier. Blower motor
speed signals are
transmitted by changes in the Duty Ratio.
Duty Ratio
The duty ratio is the ratio of ...
Other materials:
Short in Driver Side Squib Circuit
DTC B0100/13 Short in Driver Side Squib Circuit
DESCRIPTION
The driver side squib circuit consists of the center airbag sensor assembly,
the spiral cable and the
steering pad. The circuit instructs the SRS to deploy when deployment conditions
are met. DTC B0100/13
is recorded when a short ci ...
Inspection
1. INSPECT REAR SPEED SENSOR
(a) Remove the seat cushion and seatback.
(b) Disconnect the speed sensor connector.
(c) Measure the resistance between terminals 1 and 2
of the speed sensor connector
OK:
Resistance:
1.1 +- 0.2 kΩ at 25 +- 5 °C
(d) Measure the resistance between ea ...
Cellular Phone cannot Send / Receive
INSPECTION PROCEDURE
1 CHECK BLUETOOTH SETTINGS
Check if the Bluetooth settings are correct.
OK:
Bluetooth settings are correct.
2 CHECK CELLULAR PHONE
Check if the cellular phone is Bluetooth compatible.
HINT:
Some versions of Bluetooth compatible cellular phones
may not function ...
