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Home >> Toyota >> 2022 >> Corolla LE >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System (Except HEV) - Diagnostic Codes (1 Of 2) >> METER / GAUGE SYSTEM (for Gasoline Model) >> DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [01/2019 - 03/2019] >> Description

DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [01/2019 - 03/2019]: 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
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 rear turn signal light circuit
  • Headlight ECU sub-assembly*1
  • Headlight unit assembly*2
  • Front turn signal light socket*3
  • Front turn signal light bulb*3
  • Rear combination light cord
  • Rear combination light LED LH*4
  • Rear combination light LED RH*4
  • Rear turn signal light bulb*5
  • Harness or connector
  • Combination meter assembly
  1. *1: w/ AFS
  2. *2: for LED Type Front Turn Signal Light
  3. *3: for Bulb Type Front Turn Signal Light
  4. *4: for LED Type Rear Turn Signal Light
  5. *5: for Bulb Type Rear Turn Signal Light