Toyota Corolla (E120): Precaution

  • Care must be taken to replace each part properly, because it could affect the performance of the brake system and result in a driving hazard. Replace the parts with the parts which have the same part number or equivalent.
  • It is very important to keep parts and the area clean when repairing the brake system.
  • If the vehicle is equipped with a mobile communication system, refer to the precaution in the introduction section.
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    Overhaul
    1. Precaution 2. Disconnect battery negative terminal 3. Inspect place front wheels facing straight ahead 4. Remove horn button assy Notice: if the airbag connector is disconnected with the ignition switch being at on, dtcs will be recorded.  using a torx socket wrench, loosen the ...

    Repair
    1. Steering off center repair procedure Inspect steering wheel off center.  Apply masking tape on the top center of the steering wheel and steering column upper cover.  Driving the vehicle on a straight line for 100 meters at a constant speed of 35 mph (56 km/h), and ho ...

    Circuit description
    Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...