Scion iA I (2015-2016) Rear sonar circuit

BLK WIRE BLU WIRE BODY ECU (LEFT END OF DASH) BRN WIRE CLEARANCE WARNING BUZZER 1 CLEARANCE WARNING ECU ASSEMBLY COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE LEFT REAR CENTER ULTRASONIC SENSOR 1 LEFT REAR ULTRASONIC SENSOR 1 LT GRN WIRE METER 1 FUSE MICROCOMPUTER ORG/ WIRE PNK WIRE RADIO RECEIVER ASSEMBLY (W/O MULTI DISPLAY) RED WIRE RELAY & FUSE BLOCK RIGHT END OF DASH) RIGHT REAR CENTER ULTRASONIC SENSOR 1 RIGHT REAR ULTRASONIC SENSOR 1 STEREO COMPONENT AMPLIFIER ASSEMBLY TRANSMISSION CONTROL MODULE (AUTOMATIC TRANSAXLE ASSEMBLY) VIO WIRE WARNING/ INDICATOR LIGHTS WHT WIRE YEL WIRE