Toyota Corolla (E210) 2019-2026 Owners Manual / When trouble arises / Steps to take in an emergency / If you think something is wrong
Toyota Corolla (E210): 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.
(Water dripping from the air conditioning after use is normal.)
- Flat-looking tires or uneven tire wear
- Engine coolant temperature gauge needle continually points higher than normal.
Audible symptoms
- Changes in exhaust sound
- Excessive tire squeal when cornering
- Strange noises related to the suspension system
- Pinging or other noises related to the engine
Operational symptoms
- Engine missing, stumbling or running roughly
- Appreciable loss of power
- Vehicle pulls heavily to one side when braking
- Vehicle pulls heavily to one side when driving on a level road
- Loss of brake effectiveness, spongy feeling, pedal almost touches the floor
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.
Restarting the engine
Follow the procedure below to restart the engine after the system is activated.
1. Turn the engine switch to ACC or 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:
Light control switch circuit
Wiring diagram
Inspection procedure
1 Check headlamp dimmer switch assy (light control switch)
2 Check wire harness (tvip ecu light control switch)
Disconnect the tvip ecu and light control switch connectors.
check the continuity between the terminals of the tvip
e ...
Check mode procedure
Hint:
hand–held tester only:
compared to the normal mode, the check mode has more sensing
ability to detect malfunctions. Furthermore, the same diagnostic
items which are detected in the normal mode can also be
detected in the check mode.
1. Check mode procedure(using the hand–held tester) ...
Inspection procedure
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the horn button assy.
for the oran ...


