Toyota Sienna 2010-2026 Owners Manual: Brake fluid
Checking fluid level
The brake fluid level should be between the “MAX” and “MIN” lines on the tank.
- “MAX” line
- “MIN” line
Adding fluid
Lift the cover off.
Make sure to check the fluid type and prepare the necessary item.
Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss of braking efficiency.
Use only newly opened brake fluid.
| WARNING When filling the reservoir Take care as brake fluid can harm your hands and eyes and damage painted surfaces. If fluid gets on your hands or in your eyes, flush the affected area with clean water immediately. If you still experience discomfort, see a doctor. |
| NOTICE If the fluid level is low or high It is normal for the brake fluid level to go down slightly as the brake pads wear out or when the fluid level in the accumulator is high. If the reservoir needs frequent refilling, there may be a serious problem. |
Radiator and condenser
Check the radiator and condenser and clear away any foreign objects.
If either of the above parts is extremely dirty or you are not sure of
their condition, have your vehicle inspected by your Toy ...
Battery
Check the battery as follows:
Battery exterior
Make sure that the battery terminals are not corroded and that
there are no loose connections, cracks, or loose clamps.
Terminals
Hold-down ...
Other materials:
Symptom confirmation and diagnostic trouble code
HINT:
The diagnostic system in the SIENNA has various
functions.
The first function is the Diagnostic Trouble Code
(DTC) check. A DTC is a code stored in the ECU
memory whenever a malfunction in the signal circuits
to the ECU occurs. In a DTC check, a previous
malfunction's DTC can be ...
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 SERVICE HOLE PLATE
8. REMOVE REAR SPOILER COVER (W/ REAR
SPOIL ...
Laser Sensor Power Source Circuit
DESCRIPTION
This circuit provides power to the laser sensor. The laser sensor emits radio
waves towards an object in
front and measures the distance and direction of the object by receiving the
beam reflections. Based on
the reflections, the sensor calculates the difference in speed between t ...
