| 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.
C
Troubleshooting Examples of False-Alarm Occurrence from system characteristics (It’s not a problem) – Characteristics of EM Wave : EM Waves are reflected against all material and especially metal very well. Reflections of EM Waves are varies with the shape of object.