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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    Inspection procedure
    Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...

    Adjustment
    1. Check and adjust brake pedal height Inspect brake pedal height. Pedal height from asphalt sheet: m/t: 134.9 – 144.9 Mm (5.311 – 5.703 In.) A/t: 136.0 – 146.0 Mm (5.353 – 5.747 In.)  Disconnect the connector from the stop lamp switch.  Remove the stop lamp ...

    Manual air conditioning system∗
    Air conditioning controls ► Heater ► Air conditioning system ■ Adjusting the temperature setting ► Heater To adjust the temperature setting, turn the dial clockwise to increase the temperature. ► Air conditioning system To adjust the temperature setting, tu ...