DTC U1102 Lost Communication with Radar Sensor: Description
WARNING: This page is about a different car, the 2006 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
The laser sensor and cruise control ECU (distance control ECU) transmit the data for general vehicle control and diagnosis function along the communication line.
The cruise control ECU (distance control ECU) determines the presumed R information based on the signal from the steering wheel and yaw rate sensor.
The cruise control ECU (distance control ECU) transmits the current vehicle speed and presumed R information to the laser sensor.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| U1102 | This trouble code is output when the ECM detects the communication error signal (from the cruise control ECU (distance control ECU) to the laser sensor) for 0.15 sec. or more while the dynamic laser cruise control is in operation. |
|