DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [11/2021 - ]: 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: 

• If there is an open in a front turn signal light circuit or rear turn signal light circuit, the turn signal lights on the side with the open circuit will blink faster than usual.
• If there is an open in a side turn signal light circuit, DTC B1507-18 will not be stored.

1. *A: Refer to the following tables to identify headlight assembly component names.
   W/ AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM
   
   

   Component
   Headlight ECU sub-assembly
   Headlight unit assembly - Headlight turn signal LED unit*1
   Front turn signal light socket and wire*2
   Front turn signal light bulb*2

   *1: for LED Type Turn Signal Light

   *2: for Bulb Type Turn Signal Light

   W/O AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM
   
   

   Component
   Front turn signal light socket
   Front turn signal light bulb

2. *B: Refer to the following tables to identify rear combination light assembly component names.

   Component
   Rear combination light socket and wire
   Rear combination light lens and body