Toyota Corolla (E170) 2014–2019 Owners Manual / When trouble arises / Steps to take in an emergency / Fuel pump shut off system
Toyota Corolla (E170): 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 1 Turn the engine switch to the “ACC” or “LOCK” position.
2 Restart the engine.
► Vehicles with a smart key system 1 Turn the engine switch to ACCESSORY mode or turn it off.
2 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.
Other materials:
Inspection procedure
1 Check voltage at ig2 of airbag sensor assy center
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector of the airbag sensor assy center.
connect the negative (–) terminal cable to the battery,
and wa ...
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...
Engine mechanical
Preparation
Sst
Recomended tools
Ssm
Equipment
Exhaust
Preparation
Equipment
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