DTC Detection Logic

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detection condition

B121A-15

FR FOG LAMP LH PWR SPLY CIRC

(Front fog lamp left hand power supply circuit)

[CIRC SHORT TO BATT OR OPEN]

Diagnosis condition

When front fog lamp ON conditions are satisfied (smart FET inside IPDM E/R is ON)

Signal (terminal)

Front fog lamp LH power supply and ground circuit

Threshold

Circuit open or short to power supply are detected

Diagnosis delay time

1 second or less