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:
Engine rear oil seal
Components
Removal
1. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY (for
2WD)
HINT:
See page AX-163.
2. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY (for
4WD)
HINT:
See page AX-167.
3. REMOVE DRIVE PLATE AND RING GEAR SUBASSEMBLY
(a) Using SST, hold the crankshaft.
SST 09213-70011 (09213-70020), ...
How to proceed with
troubleshooting
HINT:
Use these procedures to troubleshoot the power door lock
control system.
The intelligent tester should be used in steps 3 and 5.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Interview the customer to confirm the trouble
3 INSPECT COMMUNICATION FUNCTI ...
Precaution
NOTICE:
When the ignition switch is turned off and the engine
temperature is high, the cooling fans may operate for
approximately 3 minutes.
After turning the ignition switch off, keep hands and
objects away from the fans when they are operating.
HINT:
If al ...
