Toyota Corolla (E170) 2014–2019 Owners Manual / When trouble arises / Steps to take in an emergency / If you think something is wrong
Toyota Corolla (E170): 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 ● Vehicles without a multi-information display: High engine coolant temperature warning light comes on.
● Vehicles with a multi-information display: 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
Other materials:
Inspection procedure
Hint:
if different dtcs related to different systems that have terminal e2
as the ground terminal are output
simultaneously, terminal e2 may be open.
Read freeze frame data using the hand-held tester or the obd ii scan
tool. Freeze frame data records
the engine conditions when a malf ...
Circuit description
The p/t squib (lh) circuit consists of the airbag sensor assy center and seat
belt pretensioner (lh).
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0135/73 is recorded when a short is detected in the p/t squib (lh) circuit.
Wiring diagram
...
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove seat track upper rail cover rh
4. Remove seat track upper rail cover lh
5. Remove front seat assy lh
6. Remove seat position air bag sensor
Disconnect the connector of the seat position airbag sensor. ...