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:
Back-up light assembly
COMPONENTS
REMOVAL
1. REMOVE BACK DOOR GARNISH CENTER
2. REMOVE BACK DOOR SIDE GARNISH LH
3. REMOVE BACK DOOR SIDE GARNISH RH
4. REMOVE BACK DOOR STRAP COVER SUBASSEMBLY
5. REMOVE BACK DOOR PULL STRAP
6. REMOVE BACK DOOR TRIM BOARD ASSEMBLY
7. REMOVE BACK-UP LIGHT ASSEMBLY
&n ...
Sound Signal Circuit between Radio and Navigation Assembly and
Stereo Component Amplifier
DESCRIPTION
The radio and navigation assembly sends a sound signal to the stereo
component amplifier through this
circuit.
The sound signal that has been sent is amplified by the stereo component
amplifier, and then is sent to
the speakers.
If there is an open or short in the circuit, s ...
Reassembly
1. INSTALL COOLER DRYER
(a) Using needle nose pliers, install the cooler dryer.
(b) Install a new O-ring on the cap.
(c) Sufficiently apply compressor oil to the fitting
surfaces of the O-ring and the cap.
Compressor oil:
ND-OIL 8 or equivalent
(d) Using a hexagon wrench 14 mm ( ...
