Dtc B124A Automatic High Beam Mirror

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - LIGHTING EXT

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FOR DTC

DTC B124A Automatic High Beam Mirror

DTC B124C Automatic High Beam Camera

DESCRIPTION

This DTC is stored when the main body ECU detects malfunctions in the inner rear view mirror assembly.

DTC CodeDTC Detection ConditionTrouble Area
B124AMalfunction in inner rear view mirrorInner rear view mirror assembly
B124CMalfunction in inner rear view mirror camera portionInner rear view mirror assembly

WIRING DIAGRAM

Dtc B124A Automatic High Beam Mirror. LIGHTING EXT. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

  • NOTICE:
  • First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication and LIN communication malfunctions before troubleshooting this symptom.
1.CHECK FOR DTC

Clear the DTCs ().

Check for DTCs ().

  • OK:
  • DTC B124A or B124C is not output.
NG
REPLACE INNER REAR VIEW MIRROR ASSEMBLY ()
OK
USE SIMULATION METHOD TO CHECK ()