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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    Inspection procedure
    1 Check ignition or starter switch assy Check the ignition switch, as shown in the illustration and table. Standard: 2 Check fuse (ecu–b) Remove the fuse from the instrument panel j/b.  check the continuity of the fuse. Standard: continuity 3 Check relay (m ...

    Confirmation driving pattern
    Connect the hand–held tester or the obd ii scan tool to the dlc3.  record dtcs and the freeze frame data.  set the check mode using the hand–held tester .  read the value on the misfire counter for each cylinder when idling. If the value is displayed on the misfire c ...

    On–vehicle inspection
    1. Inspect for electrical door lock operation Hint: w/ power window: the door control switch is built in the master switch in the driver’s door and also in the passenger’s door. W/o power window: the door control switch is in the driver’s door and also in the passenger’s d ...