Toyota Sienna Service Manual: Pressing Power Switch does not Turn on System
INSPECTION PROCEDURE
1 CHECK CABIN
- Check that conditions in the cabin are not likely to cause condensation.
HINT: This problem occurs when the cabin is humid and the temperature rapidly changes. This condition may produce condensation, resulting in a short circuit.
OK: Condensation is not likely to occur.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Noise Occurs
INSPECTION PROCEDURE
1 NOISE CONDITION
Check in which direction the noise comes from (front left
or right, or rear left or right).
Check in which direction the noise comes from.
...
No Sound can be Heard from Speakers
INSPECTION PROCEDURE
1 CHECK AUDIO SETTINGS
Enter the sound adjustment screen by pressing the
"SOUND" switch on the AUDIO display.
Set volume, fader, and balance to the in ...
Other materials:
Intake Air Temperature Circuit
DESCRIPTION
The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF)
meter, monitors the IAT.
The IAT sensor has a built-in thermistor with a resistance that varies according
to the temperature of the
intake air. When the IAT is low, the resistance of the thermistor i ...
Service and warranty
We recommend that you read this publication
thoroughly. Your vehicle is covered by the following
warranties:
New Vehicle Limited Warranty.
Rust Perforation Limited Warranty.
Federal Emissions System Defect Warranty.
Federal Emissions Performance Warranty.
California Emission Control System Lim ...
Installation
1. INSTALL TIRE PRESSURE WARNING ECU
(a) Connect the connector to the tire pressure warning
ECU.
(b) Install the tire pressure warning ECU with the screw.
2. INSTALL INSTRUMENT PANEL SAFETY PAD SUBASSEMBLY
HINT:
Refer to the instructions for INSTALLATION of the
instrument panel safety ...
