Toyota Corolla (E170): Device registration/connection flow

Audio unit

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    Circuit description
    In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...

    Toyota Safety Sense 3.0
    The Toyota Safety Sense 3.0 consists of the driving assist systems and contributes to a safe and comfortable driving experience: WARNING ■Toyota Safety Sense 3.0 The Toyota Safety Sense 3.0 operates under the assumption that the driver will drive safely, and is designed to help reduce the impact t ...

    Throttle body assy
    Components Removal & installation and disassembly & reassembly 1. Drain coolant 2. Remove cylinder head cover no.2 Remove 2 nuts, 2clips and the cylinder head cover no. 2. 3. Remove air cleaner cap sub–assy Disconnect the maf connector.  disconnect the vsv co ...