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Home >> Toyota >> 2025 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different car >> Section 316 (Can Communication System (Except HEV) (Early 2023, TMC) - Circuit Tests (1 Of 4) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made) >> Check CAN Communication Connection [09/2022 - 11/2022] >> Description

Check CAN Communication Connection [09/2022 - 11/2022]: Description

WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Trouble Area
Check CAN Communication Connection
  • CAN main bus line, CAN branch line or connector
  • Power source circuit of central gateway ECU (network gateway ECU)
  • Central gateway ECU (network gateway ECU) ground circuit
  • Central gateway ECU (network gateway ECU)
  • Power source circuit of DLC3
  • DLC3 ground circuit
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