Toyota Sienna Service Manual: 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.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT A/C COMPRESSOR
(a) Disconnect the A/C compressor connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance
2 CHECK HARNESS AND CONNECTOR (A/C COMPRESSOR - BODY GROUND)
(a) Disconnect the A/C compressor connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance 
3 CHECK HARNESS AND CONNECTOR (A/C COMPRESSOR - A/C AMPLIFIER)
(a) Disconnect the A/C compressor connector.
(b) Disconnect the A/C amplifier connector.
(c) Measure the resistance according to the value(s) in the table below
Standard resistance 
Result 
REPAIR OR REPLACE HARNESS OR CONNECTOR
Rear Air Outlet Damper Control Servo Motor Circuit
DESCRIPTION
This circuit turns the servo motor and changes each damper position by
receiving the signals from the A/
C amplifier.
The rear air outlet damper servo motor switches the air outlet ...
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,
procee ...
Other materials:
Checking the messages
Display the message inbox screen.
Select the desired message from the list.
Check that the message is displayed.
E-mails: Select “Mark
Unread” or “Mark Read” to
mark mail unread or read on
the message inbox screen.
This function is available when “Update Read Stat ...
Removal
CAUTION:
Wear safety gloves, because the sharp surfaces of the
seatback frame and seat adjuster may injure your
hand.
Work must be started more than 90 seconds after the
ignition switch is turned to the LOCK position and the
negative (-) terminal cable is disconnected from ...
PBD Pulse Sensor Malfunction
DTC B2222 PBD Pulse Sensor Malfunction
DESCRIPTION
A pulse sensor is built into the back door for a jam and foreign
object detection and for back door
position detection. The jam and foreign object detection feature of the
pulse sensor monitors the
operating speed of the back door whi ...
