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

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    Circuit description
    The rotary solenoid type idle air control (iac) valve is located under the throttle body and intake air bypassing the throttle valve flows into the iac valve through the passage. In this way the intake air volume bypassing the throttle valve is regulated, controls the engine speed. The ...

    Speed sensor front lh
    Replacement Hint: replace the rh side by the same procedure as the lh side. 1. Remove front wheel 2. Remove front fender liner lh 3. Remove speed sensor front lh Disconnect the speed sensor wire harness clamp from the body.  disconnect the speed sensor connector. Remo ...

    Have the malfunction repaired immediately. (vehicles with a smart key system)
    After taking the specified steps to correct the suspected problem, check that the warning message and light go off. ■Warning buzzer ...