Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2006SIENNA FWD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONU CODE CHARTSU0235COMMUNICATION ERROR FROM DISTANCE CONTROL ECU TO LASER RADAR SENSOR
2006 Toyota Sienna FWD V6-3.3L (3MZ-FE)
Communication Error From Distance Control ECU to Laser Radar Sensor
2006 Toyota Sienna FWD V6-3.3L (3MZ-FE)SECTION Communication Error From Distance Control ECU to Laser Radar Sensor
DTC U0235/72 Communication Error from Distance Control ECU to Laser Radar Sensor
DESCRIPTION
The laser radar sensor and distance control ECU always communicate the data for vehicle general control and diagnosis function each other via communication line.
The distance control ECU determines the presumed R information based on the signal from the steering wheel and yaw rate sensor.
The distance control ECU transmits the current vehicle speed and presumed R information to the laser radar sensor.
INSPECTION PROCEDURE
DESCRIPTION
DTC Detection Condition:
The laser radar sensor and distance control ECU always communicate the data for vehicle general control and diagnosis function each other via communication line.
The distance control ECU determines the presumed R information based on the signal from the steering wheel and yaw rate sensor.
The distance control ECU transmits the current vehicle speed and presumed R information to the laser radar sensor.
Wiring Diagram:
Step 1:
Step 2:
INSPECTION PROCEDURE
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.