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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Can Communication System - Circuit Tests (2 Of 4)) >> CAN COMMUNICATION SYSTEM (for 1Motor-HEV Model) >> Headlight ECU RH Communication Stop Mode [09/2023 - ] >> Description

Headlight ECU RH Communication Stop Mode [09/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
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 [09/2023 - ]
  • Headlight ECU (headlight assembly RH) branch line or connector
  • Power source circuit of headlight ECU (headlight assembly RH)
  • Headlight ECU (headlight assembly RH) ground circuit
  • Headlight ECU (headlight assembly RH)
  • Semiconductor power integration ECU
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