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 |
| CAN |
| Main Body ECU (Multiplex Network Body ECU) | Rear Television Camera Assembly |
| 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
READ NEXT:
Terminals Of Ecu
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)
Lost Communication with ECM / PCM "A" (U0100,U0126,U0140,U0163,U0233,U1110)
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
CAN Communication Failure (Message Registry) (U1000)
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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Open in One Side of Bus 5 Branch Line
DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in
Check Bus 4 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 22 (CA2H) and 7 (CA
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