Toyota Corolla (E120): Door unlock detection switch circuit

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RCTA (Rear Cross Traffic Alert) function
The RCTA function uses the BSM rear side radar sensors installed behind the rear bumper. This function is intended to assist the driver in checking areas that are not easily visible when backing up. WARNING ■Cautions regarding the use of the system The driver is solely responsible for safe driving ...

Circuit description
The d squib circuit consists of the airbag sensor assy center, spiral cable sub–assy and horn button assy. It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b1180/17 is recorded when a short is detected in the d squib circuit (2nd step). Wiring diagra ...

No sound is heard from speaker in all modes
Wiring diagram Inspection procedure 1 Check lcd (liquid crystal display) for lighting Lcd illumination check  turn the ignition switch acc.  Turn the radio receiver assembly on. Standard: lcd illumination of the radio receiver assembly light. 2 Control fader and ...