DTC B1507: Open in Turn Signal Circuit [08/2019 - ]: Description

These DTCs are stored when the combination meter assembly detects an open in a turn signal light circuit, or a short in a turn signal light circuit or the hazard warning 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 will not be stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	Note
B1507	Open in Turn Signal Circuit	Diagnosis Condition: Battery voltage is 10 V or more Malfunction Status: Open in front turn signal light circuit Open in rear turn signal light circuit	Harness or connector Combination meter assembly for TMK Made No. 1 headlight ECU sub-assembly 1 Headlight unit Front turn signal light socket 2 Front turn signal light bulb 2 Rear light cord 2 Rear turn signal light bulb 2 Rear light assembly 3 Rear light socket and wire 3 for TMMC Made Headlight assembly Front turn signal light socket 2 Front turn signal light bulb 2 Rear combination light assembly Rear light cord 2 Rear turn signal light bulb 2 Rear light assembly 3 Rear light socket and wire *3	DTC stored	-

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

B1507

Open in Turn Signal Circuit

Diagnosis Condition:

Battery voltage is 10 V or more

Malfunction Status:

Open in front turn signal light circuit
Open in rear turn signal light circuit

Harness or connector
Combination meter assembly

for TMK Made

No. 1 headlight ECU sub-assembly *1
Headlight unit
Front turn signal light socket *2
Front turn signal light bulb *2
Rear light cord *2
Rear turn signal light bulb *2
Rear light assembly *3
Rear light socket and wire *3

for TMMC Made

Headlight assembly
Front turn signal light socket *2
Front turn signal light bulb *2
Rear combination light assembly
Rear light cord *2
Rear turn signal light bulb *2
Rear light assembly *3
Rear light socket and wire *3

DTC stored

*1: w/ Automatic Headlight Beam Level Control System
*2: for Bulb Type Turn Signal Light
*3: for LED Type Turn Signal Light