Toyota Camry owners & service manuals

Toyota Camry (XV70): Problem Symptoms Table

Toyota Camry Repair Manual XV70 (2018-2024) / Engine, Hybrid System / Cruise Control / Road Sign Assist System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
  • The road sign assist system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

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Road Sign Assist System

Symptom

Suspected Area

Link

"RSA Malfunction Visit Your Dealer" is displayed

Front camera system

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     Terminals Of Ecu

    TERMINALS OF ECU NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.

     Diagnosis System

    DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The road sign assist system displays a warning message on the multi-information display to inform the driver that the system is unavailable when it is malfuncti

     Dtc Check / Clear

    DTC CHECK / CLEAR CHECK FOR DTC (a) Check for DTCs (Test Failed / Pending / Confirmed). Body Electrical > Road Sign Assist > Trouble Codes Techstream Display Description Test Fai

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     Check Bus 2 Lines for Short Circuit

    DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 18 (CA4

     Components

    COMPONENTS ILLUSTRATION *1 FRONT FLOOR COVER LH *2 FRONT FLOOR COVER RH N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 NO. 1 ENGINE UNDER COVER *2 FRONT WHEEL OPENING EXTENSION PAD LH *3 FRONT WHEEL OPENING EXTE

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