Toyota Sienna 2010-2026 Owners Manual: Fuel pump shut off system
To minimize the risk of fuel leakage when the engine stalls or when an airbag inflates upon collision, the fuel pump shut off system stops the supply of fuel to the engine.
Follow the procedure below to restart the engine after the system is activated.
- Vehicles without a smart key system
- Turn the engine switch to the “ACC” or “LOCK” position.
- Restart the engine.
- Vehicles with a smart key system
- Turn the engine switch to ACCESSORY mode or turn it off.
- Restart the engine
| NOTICE Before starting the engine Inspect the ground under the vehicle. If you find that fuel has leaked onto the ground, the fuel system has been damaged and is in need of repair. Do not restart the engine |
If you think something is
wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Fluid leaks under the vehicle
( ...
If a warning light turns on
or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
sys ...
Other materials:
System Too Lean/ System Too Rich
DTC P0171 System Too Lean (Bank 1)
DTC P0172 System Too Rich (Bank 1)
DTC P0174 System Too Lean (Bank 2)
DTC P0175 System Too Rich (Bank 2)
DESCRIPTION
The fuel trim is related to the feedback compensation value, not to the basic
injection time. The fuel trim
consists of both the short-term ...
Cursor or Map Rotates when Vehicle Stopped
INSPECTION PROCEDURE
1 CHECK CONDITION
Check with the customer if the vehicle has been turned
by a turntable.
OK:
Vehicle has not been turned by turntable.
HINT:
If the vehicle is turned on a turntable with the ignition
switch on, the system may store the angular velocity. As
a ...
Purpose of readiness tests
The On-Board Diagnostic (OBD II) system is
designed to monitor the performance of emissionrelated
components, and indicate any detected
abnormalities with DTCs (Diagnostic Trouble Codes).
Since various components need to be monitored in
different driving conditions, the OBD II system ...
