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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 118 (Can Communication System (HV) - Circuit Tests (1 Of 9) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Headlight ECU RH Communication Stop Mode [11/2023 - ] >> Description

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

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Detection Item Symptom Trouble Area
Headlight ECU RH Communication Stop Mode Communication stop for "Headlight Control (Sub)" is indicated on the "Communication Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [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
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