DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [02/2019 - 12/2021]: Description

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1507-18

Turn Signal Light Circuit Current Below Threshold

Diagnosis Condition:

Auxiliary 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 unit assembly*1
Headlight ECU sub-assembly*1
Front turn signal light socket*5
Side turn signal light assembly*2
Front turn signal and parking light bulb (front turn signal bulb)*3
Front turn signal light bulb (front turn signal bulb)*4
Outer rear view mirror assembly*2
Rear combination light socket and wire
Combination meter assembly
Harness or connector
Instrument panel junction block assembly

*1: w/ Headlight ECU
*2: w/ Side Turn Signal Light
*3: w/ Side Marker Light
*4: w/o Side Marker Light
*5: w/ Headlight ECU without AFS