| Circuit Diagram |

Signal Waveform
Inspection 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the fuel pressure regulator valve connector.
Description System Overview The System offers the following features: – Human / machine interface through a 1-stage button, for terminal switching and engine start. – Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the rear bumper. (Refer to Body - "Rear Bumper") 3. Remove the BSD unit (A) after loosening the mounting screws. Take care not to separate the bracket from rear bumper when removing the BSD sensor.