Toyota Sienna Service Manual: Adjustment
1. ADJUST BUZZER VOLUME
- Turn the knob on the clearance warning ECU to adjust the volume.
- Park / Neutral Position Switch Circuit
- Speed Signal Circuit
- Back Sonar Sensor LH Circuit
- Back Sonar Sensor RH Circuit
- Front Clearance Sonar Sensor LH Circuit
- Front Clearance Sonar Sensor RH Circuit
- Rear Clearance Sonar Sensor LH Circuit
- Rear Clearance Sonar Sensor RH Circuit
- No. 1 Clearance Warning Buzzer Circuit
- Clearance Warning ECU Power Source Circuit
- No. 2 Clearance Warning Buzzer Circuit
- Indicator Circuit
Terminals of ECU
1. CLEARANCE WARNING ECU
*1: with Front Clearance Sonar
2. AIR CONDITIONER AMPLIFIER ASSEMBLY
*1: with Front Clearance Sonar
*2: Manual A/C
*3: Auto A/C
Reference: ...
Park / Neutral Position Switch Circuit
DESCRIPTION
The clearance warning ECU receives the reverse or park position signal from
the park / neutral position
switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT CLEARANCE WARNING E ...
Other materials:
Mute Signal Circuit between Radio and Navigation Assembly and
Television Display Assembly
DESCRIPTION
The radio and navigation assembly controls the volume according to the MUTE
signal from the television
display assembly.
The MUTE signal is sent to reduce noise and a popping sound generated when
switching the mode, etc.
If there is an open in the circuit, noise can be heard ...
Canceling the power sliding door system (vehicles with power
sliding doors)
Turn the main switch off to disable
the power sliding door system.
Off
The sliding doors can only be
opened and closed manually.
On*
The power sliding door can be
opened and closed with the power
sliding door switches for the front
occupants or wireless remote control
even if ...
Reassembly
1. INSTALL POWER SLIDE DOOR TOUCH SENSOR LH
Install the touch sensor with the 4 screws.
Connect the connector.
Fix the wire harness inside the door panel with the
clip.
2. INSTALL REAR DOOR WIRE SUB-ASSEMBLY LH
Install the wire.
NOTICE:
When installing the wire, push the ...
