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Home › Lexus › 2005 › LS 430 › Repair and Diagnosis › Restraints › Restraints Control Systems › Pre-Collision Safety System - Diagnostics › DTC B2002: Right Side Motor Line Malfunction Open › Circuit Description

Circuit Description

The seat belt control ECU receives information from the cruise control ECU assy (distance control ECU) through CAN communication and tightens the seat belt by operating the motor in the front seat outer belt assy RH.

NOTE: The pretensioner is built into the front seat outer belt assy RH. Be sure to follow the correct inspection procedure, as failure to follow the correct procedure (such as inspection of incorrect connectors) may activate the pretensioner.
RIGHT SIDE MOTOR LINE MALFUNCTION OPEN

DTC NO. DTC Detecting Condition Trouble Area
B2001
  • Open in the seat belt motor RH circuit continues for 1 second or more
  • Front seat outer belt assy RH
  • Wire harness (Seat belt control ECU - Front seat outer belt assy RH)
  • Seat belt control ECU
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