Toyota Corolla (E120): Problem symptoms table

Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

Repair

    Share this page:

    Other materials:

    Check open circuit
    For the open circuit in the wire harness in fig. 1, Perform a resistance check in step (b) or a voltage check in step (c) to locate the section. Check the resistance.  Disconnect connectors a and c and measure the resistance between them. Resistance: 1 Ω or les ...

    PCS (Pre-Collision System)
    The pre-collision system uses sensors to detect objects in the path of the vehicle. When the system determines that the possibility of a frontal collision with a detectable object is high, a warning operates to urge the driver to take evasive action and the potential brake pressure is increased to h ...

    Outside vehicle
    General maintenance Performing these maintenance checks on the vehicle in the owner’s responsibility. The owner may perform the maintenance or take the vehicle to a service center. Check the parts of the vehicle described below on a daily basis. In most cases, special tool are not requir ...