Toyota Corolla (E120): Circuit description

If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.

Wiring diagram

Inspection procedure

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    Warning lights
    Warning lights inform the driver of malfunctions in the indicated vehicle’s systems. *1: Vehicles without a smart key system: These lights turn on when the engine switch is turned to the “ON” position to indicate that a system check is being performed. They will turn off after the engi ...

    Noise occurs
    Inspection procedure 1 Check of speaker installation Check speaker installation condition.  Check that each speaker is securely installed. Standard: malfunction disappear. Hint: the radio is equipped with noise prevention system that does not work against the regular use of t ...

    Overhaul
    1. Drain clutch fluid 2. Disconnect clutch release cylinder to flexible hose tube Using sst, disconnect the flexible hose tube. Sst 09023–00100 Hint: use a container to catch the fluid. 3. Remove clutch release cylinder assy Remove the 3 bolts, clutch release cylinder assy ...