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Automatic High Beam System (Diagnostic Codes & Circuit Tests): Overview Lexus ES XV60

Exterior Lights 3 illustrations ~136 words

DESCRIPTION

When DTCs for the following systems are stored, this DTC is stored simultaneously.

  1. Lane departure alert system malfunction
  2. CAN communication system malfunction
DTC No.DTC Detection ConditionTrouble Area
B124BMalfunction in automatic high beam system (Detected for 2 seconds or more)Lane departure alert system CAN communication system Lane departure warning camera Driving support ECU assembly*1 Main body ECU (multiplex network body ECU)
  1. *1: w/ Dynamic Radar Cruise Control System

Scheme 195

Scheme 195: WIRING DIAGRAM

Scheme 196

Scheme 196
  1. w/ Dynamic Radar Cruise Control System
  2. w/o Dynamic Radar Cruise Control System

This DTC is stored when the main body ECU (multiplex network body ECU) detects malfunctions in the lane departure warning camera.

DTC No.DTC Detection ConditionTrouble Area
B124CMalfunction in lane departure warning camera (automatic high beam camera) (Detected for 2 seconds or more)Lane departure warning camera Driving support ECU assembly*1 Main body ECU (multiplex network body ECU)
  1. *1: w/ Dynamic Radar Cruise Control System

This DTC is stored when the CAN communication system is malfunctioning.

DTC No.DTC Detecting ConditionTrouble Area
U0182Lost communication with lane departure warning camera (Detected for 5 seconds or more)CAN communication system

The main body ECU (multiplex network body ECU) detects auto high beam switch signals.

The automatic high beam system can be turned on and off by operating the auto high beam switch.

Scheme 197

Scheme 197: WIRING DIAGRAM

See also:
REMOVAL [06/2012 - ]