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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Pre-Collision) >> Pre-Collision System >> DTC B2000 Short to B+ in Seat Belt Motor RH Circuit >> Description

DTC B2000 Short to B+ in Seat Belt Motor RH Circuit: Description

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

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

CAUTION: The pretensioner is built into the front seat outer belt assembly RH. Be sure to follow the correct inspection procedure, as failure to follow the correct procedure (such as inspection of incorrect connectors) may deploy the pretensioner.
DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. DTC Detection Condition Trouble Area
B2000
  • Short to B+ in the seat belt motor RH circuit continues for 1 second or more
  • Short in the seat belt motor RH circuit
  • Front seat outer belt assembly RH
  • Wire harness (seat belt control ECU - front seat outer belt assembly RH)
  • Seat belt control ECU