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Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Can Communication System (HV) - Circuit Tests (1 Of 9) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Headlight ECU RH Communication Stop Mode [12/2019 - 11/2023] >> Description

Headlight ECU RH Communication Stop Mode [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.
Detection Item Symptom Trouble Area
Headlight ECU RH Communication Stop Mode Communication stop for "HL AutoLeveling/AFS/AHS (Sub)" is indicated on the "Communication Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [12/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2021] , or refer to DIAGNOSIS SYSTEM [10/2021 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 11/2023]
  • Headlight ECU sub-assembly RH branch line or connector
  • Power source circuit of headlight ECU sub-assembly RH
  • Headlight ECU sub-assembly RH ground circuit
  • Headlight ECU sub-assembly RH