Lexus ES: System Diagram
SYSTEM DIAGRAM

Communication Table
| Sender | Receiver | Signal | Line |
| Radio Receiver Assembly | Multi-display Assembly | Camera information signal | GVIF |
| Radio Receiver Assembly | Rear Television Camera Assembly | Setting information signal | CAN |
| Steering Sensor | Rear Television Camera Assembly | Steering angle signal | CAN |
| ECM | Rear Television Camera Assembly | -
Vehicle information signal
-
Reverse signal
| CAN |
| Main Body ECU (Multiplex Network Body ECU) | Rear Television Camera Assembly | -
Luggage compartment door courtesy switch signal
-
Vehicle information signal
| CAN |
| Blind Spot Monitor Sensor*1 | Rear Television Camera Assembly | RCTA information signal | CAN |
| Clearance Warning ECU Assembly*2 | Rear Television Camera Assembly | Sonar information signal | CAN |
-
*1: w/ Blind Spot Monitor System
-
*2: w/ Parking Support Alert System
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TERMINALS OF ECU REAR TELEVISION CAMERA ASSEMBLY (a) Disconnect the T1 rear television camera assembly connector. (b) Measure the voltage on the wire harness side connector according to the value(s)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly. HINT: If CAN communication system DTCs are stored, they ma
DESCRIPTION This DTC is stored when the rear television camera assembly judges that it has an internal CAN malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area U1000
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DESCRIPTION This DTC is stored when the parking assist ECU detects a signal indicating a malfunction in the side television camera assembly RH via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area C2A62 Side Camera RH Internal Circuit A signal indicating
MONITOR DESCRIPTION The fuel pump control ECU has a self-diagnosis function. If there is an internal malfunction, the fuel pump control ECU sends a malfunction signal to the ECM via the FPC drive circuit. Based on the signal, the ECM judges that there is a malfunction in the fuel pump control ECU st
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