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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 76 (Can Communication System (HV) - Circuit Tests (3 Of 6)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Check Bus 1 Line for Short to GND [08/2020 - 12/2021] >> Description

Check Bus 1 Line for Short to GND [08/2020 - 12/2021]: 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 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.

Symptom Trouble Area
There is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) 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)
  • Forward recognition camera
  • Millimeter wave radar sensor assembly
  • Blind spot monitor sensor LH*2
  • Parking assist ECU*3
  • Television camera assembly*3, *5
  • Clearance warning ECU assembly*4
  • Swing grille actuator assembly*6
  • Radiator shutter sub-assembly*6
  • Inner rear view mirror assembly*1
  • No. 2 CAN junction connector
  • No. 8 CAN junction connector
  • No. 1 CAN junction terminal

*1: w/ Garage Door Opener System (for Digital Inner Mirror Type)

*2: w/ Blind Spot Monitor System

*3: w/ Panoramic View Monitor System

*4: w/ Intuitive Parking Assist System

*5: w/ Parking Assist Monitor System

*6: w/ Grille Shutter System

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