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Home >> Lexus >> 2016 >> GS F >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Occupant Classification System - Diagnostic Codes And Symptom Tests >> Occupant Classification System >> DTC B1782: Rear Occupant Classification Sensor LH Circuit Malfunction [10/2015 - ] >> Description

DTC B1782: Rear Occupant Classification Sensor LH Circuit Malfunction [10/2015 - ]: Description

The rear occupant classification sensor LH circuit consists of the occupant detection ECU and rear occupant classification sensor LH.

DTC B1782 is stored when a malfunction is detected in the rear occupant classification sensor LH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1782 Rear Occupant Classification Sensor LH Circuit Malfunction
  • The occupant detection ECU detects a line short, short to ground or B+, or an open in the rear occupant classification sensor LH circuit.
  • Rear occupant classification sensor LH malfunction
  • Occupant detection ECU malfunction
  • Front seat wire RH
  • Rear occupant classification sensor LH (Front seat adjuster assembly RH)*
  • Occupant detection ECU
DTC DETECTION CONDITIONS:

  Vehicle Condition
Pattern 1 Pattern 2 Pattern 3
Diagnosis Condition - - - -
Malfunction Status The occupant detection ECU detects a line short, short to ground or B+, or an open in the rear occupant classification sensor LH circuit. - -
Rear occupant classification sensor LH malfunction - -
Occupant detection ECU malfunction - -
Detection Time - - -
Number of Trips 1 trip 1 trip 1 trip

HINT: 

DTC will be output when conditions for either of the patterns in the table above are met.