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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 45 (Can Communication System (HEV) - Circuit Tests (3 Of 6)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Open in Bus 3 Main Bus Line [01/2019 - 09/2022] >> Description

Open in Bus 3 Main Bus Line [01/2019 - 09/2022]: Description

WARNING: This page is about a different variant/trim than selected.

There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.

Symptom Trouble Area
Resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.
  • CAN main bus lines or connector
  • Central gateway ECU (network gateway ECU)
  • No. 6 CAN junction connector

This malfunction is not related to the lines of a CAN branch or to ECUs or sensors connected to a CAN branch.

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