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:
Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting the cable to
prevent the airbag working.
3. REMOVE FRONT SEAT ASSEMBLY (for Manual Seat)
4. REMOVE ...
Checking and replacing
fuses
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch to the “LOCK” position (vehicles without a
smart key system) or off (vehicles with a smart key system).
Open the fuse box cover.
...
License plate 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
5. REMOVE BACK DOOR PULL STRAP
6. REMOVE BACK DOOR TRIM BOARD ASSEMBLY
7. REMOVE BACK DOOR GARNISH SUB-ASSEMBLY OUTSIDE
8. RE ...
