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Home >> Lexus >> 2024 >> LX 600 Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes & Symptom Tests >> Meter / Gauge System >> DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [12/2021 - ] >> Description

DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [12/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
B1507-18 Turn Signal Light Circuit Current Below Threshold Diagnosis Condition: 
  1. Battery voltage is 10 V or more

Malfunction Status: 

  • Open in front turn signal light circuit
  • Open in side turn signal light circuit
  • Open in rear turn signal light circuit
  • Headlight assembly
  • Headlight cord
  • Headlight ECU sub-assembly
  • Headlight turn signal LED unit (w/ Adaptive High Beam System)
  • Side turn signal light assembly
  • Outer mirror retractor
  • Outer mirror control ECU assembly (w/o Door Closer System)
  • Front multiplex network door ECU (w/ Door Closer System)
  • Rear combination light assembly
  • Rear combination light cord
  • Rear light assembly
  • Rear light socket and wire
  • Harness or connector
  • Combination meter assembly
Combination Meter A