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Home >> Toyota >> 2023 >> Corolla LE >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System (Except 12.3 Inch) - Diagnostic Codes & Symptom Tests (1 Of 2) >> METER / GAUGE SYSTEM (except 12.3 Inch Display) >> DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [09/2022 - 11/2022] >> Description

DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [09/2022 - 11/2022]: Description

This DTC is stored when the combination meter assembly detects an open in a front turn signal light circuit or rear turn signal light circuit.

HINT: 

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. Auxiliary battery voltage is 10 V or more

Malfunction Status: 

  • Open in front turn signal light circuit
  • Open in rear turn signal light circuit
for TMC Made 
  • Headlight unit assembly
  • Rear Combination Light Assembly
  • Rear turn signal light LED
  • Harness or connector
  • Combination meter assembly

for TMMMS Made 

  • Headlight assembly*1
  • Front turn signal light socket*2
  • Front turn signal light bulb*2
  • Rear combination light cord
  • Rear turn signal light bulb
Combination Meter A
  1. *1: for LED Type Front Turn Signal Light
  2. *2: for Bulb Type Front Turn Signal Light