INSPECTION PROCEDURE
PROCEDURE
1. CHECK CAN COMMUNICATION SYSTEM
(a) Select "CAN Bus Check" from the "System Selection Menu" screen on the Techstream.
(b) Select "Communication Malfunction DTC" from the "CAN Bus Check" screen, and then select "Enter".
Result:
B -- GO TO CAN COMMUNICATION SYSTEM See: Diagnostic Trouble Code Descriptions/CAN Communication System
A -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION
) See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled
Systems/How To Proceed With Troubleshooting
Up to 08/2009
CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: U1102: Lost Communication with Radar Sensor
U1102 - Lost Communication with Radar Sensor
DESCRIPTION
The millimeter wave radar sensor and driving support ECU transmit the data for general vehicle control and diagnosis function along the
communication line. The driving support ECU determines the curve radius information based on signals from the steering wheel and yaw rate and
acceleration sensor. The driving support ECU transmits the current vehicle speed and curve radius information to the millimeter wave radar sensor.
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