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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 77 (Can Communication System (HV) - Circuit Tests (4 Of 6)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Check Bus 2 Line for Short to GND [11/2018 - 02/2019] >> Description

Check Bus 2 Line for Short to GND [11/2018 - 02/2019]: Description

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

There may be a short circuit between one of the CAN bus wires and GND when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.

Symptom Trouble Area
There is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.
  • Short to GND in CAN main bus wire
  • Short to GND in CAN branch wire
  • Central gateway ECU (network gateway ECU)
  • ECM
  • Hybrid vehicle control ECU assembly
  • Inverter with converter assembly
  • Brake booster with master cylinder assembly (skid control ECU)
  • No. 3 CAN junction connector
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