Toyota Sienna 2010-2025 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:
Fail-safe chart
1. FAIL-SAFE FUNCTION
When communication fails in any of the main wires
(communication lines) due to a short circuit or other
causes, the fail-safe function, which is specified for
each system, operates to prevent the system from
malfunctioning.
The table below shows the effects on eac ...
Maintenance
requirements
To ensure safe and economical driving, day-to-day care and regular
maintenance are essential. It is the owner’s responsibility to
perform regular checks. Toyota recommends the following maintenance:
General maintenance
General maintenance should be performed on a daily basis. This can
be done ...
Open or Short Circuit in ABS Solenoid Relay Circuit
DESCRIPTION
The ABS solenoid relay is built in the brake actuator assembly. This relay
supplies power to each ABS
solenoid. If the initial check is OK, after the ignition switch is turned to the
ON position, the relay goes on.
WIRING DIAGRAM
Refer to DTCs C0226/21, C0236/22, C0246/23 ...
