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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (Except HV) - Circuit Tests (1 Of 4) & Diagnostic Codes >> CAN COMMUNICATION SYSTEM (for Gasoline Model) >> Engine Stop and Start ECU Communication Stop Mode [10/2023 - ] >> Description

Engine Stop and Start ECU Communication Stop Mode [10/2023 - ]: Description

Detection Item Symptom Trouble Area
Engine Stop and Start ECU Communication Stop Mode Any of the following conditions are met:
  • Communication stop for "Stop and Go/Start" is indicated on the "Communication Bus Check" screen of the Techstream.

    Refer to PROBLEM SYMPTOMS TABLE [12/2021 - ]

  • Communication stop history for "Stop and Go/Start" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "Stop and Go/Start" is 6 or more.)

    Refer to PROBLEM SYMPTOMS TABLE [12/2021 - ]

  • Communication system DTCs (DTCs that start with U) that correspond to "Engine Stop and Start ECU Communication Stop Mode" in "DTC Combination Table" are output.

    Refer to DTC COMBINATION TABLE [10/2023 - ]

  • Engine stop and start ECU branch wire or connector
  • Power source circuit of engine stop and start ECU
  • Engine stop and start ECU ground circuit
  • Engine stop and start ECU