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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 Lines for Short Circuit [11/2018 - 02/2019] >> Description

Check Bus 1 Lines for Short Circuit [11/2018 - 02/2019]: Description

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There may be a short circuit between the CAN main bus wire and/or CAN branch wire when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is below 54 Ω.

Symptom Trouble Area
Resistance between terminals 23 (CA1H) and 8 (CA1L) of central gateway ECU (network gateway ECU) is below 54 Ω.
  • Short in CAN main bus wire
  • Short 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
  • 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

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