Toyota Corolla (E120): Circuit description

The cruise control ecu assy power source supplies power to the actuator and sensors, etc., When terminal gnd and the case of the cruise control ecu assy are grounded.

Wiring diagram

Inspection procedure

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    Circuit description
    The p/t squib (lh) circuit consists of the airbag sensor assy center and seat belt pretensioner (lh). It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b0135/73 is recorded when a short is detected in the p/t squib (lh) circuit. Wiring diagram ...

    Inspection procedure
    Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

    Speed sensor front lh
    Replacement Hint: replace the rh side by the same procedure as the lh side. 1. Remove front wheel 2. Remove front fender liner lh 3. Remove speed sensor front lh Disconnect the speed sensor wire harness clamp from the body.  disconnect the speed sensor connector. Remo ...