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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 +B [02/2019 - 08/2020] >> Description

Check Bus 1 Line for Short to +B [02/2019 - 08/2020]: 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 +B when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3.

Symptom Trouble Area
There is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3.
  • Short to +B in CAN main bus wire
  • Short to +B in CAN branch wire
  • Central gateway ECU (network gateway ECU)
  • Forward recognition camera*1
  • Millimeter wave radar sensor assembly*1
  • 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
  • No. 2 CAN junction connector
  • No. 8 CAN junction connector
  • No. 1 CAN junction terminal

*1: w/ Pre-collision System

*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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