Toyota Camry owners & service manuals

Toyota Camry: 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.
  • When an open circuit or frozen indication is displayed by the self-check function, check for DTCs and troubleshoot according to each inspection procedure.
General

Symptom

Suspected Area

Link

System does not operate at all

Proceed to "Clearance Warning ECU Power Source Circuit"

Check that the CAN communication system is operating normally

Check that the Meter / gauge system is operating normally

-

Clearance warning ECU assembly

System cannot be turned off

Check that the CAN communication system is operating normally

Check that the Meter / gauge system is operating normally

-

Steering pad switch assembly

Spiral cable sub-assembly

Clearance warning ECU assembly

Sonar Function

Symptom

Suspected Area

Link

Frozen indication is displayed in self-check function

Proceed to "Sensor Frozen Indication (Dirty or Frozen)"

Combination meter assembly (shift selection) operates normally, but detection operates when shift lever is in P, or detection does not operate when shift lever is in any position other than P (front sonar)

Check that the CAN communication system is operating normally

Clearance warning ECU assembly

Combination meter assembly (shift selection) operates normally, but detection operates when shift lever is not in R, or does not operate with shift lever in R (rear sonar)

Check that the CAN communication system is operating normally

Clearance warning ECU assembly

Combination meter assembly (speedometer) operates normally, but detection does not operate when vehicle speed meets operation condition, or detection operates when vehicle speed does not meet operation condition (front sonar)

Check that the CAN communication system is operating normally

Clearance warning ECU assembly

Buzzer Function

Symptom

Suspected Area

Link

Sonar detection operation is normal but buzzer operation is intermittent

Check that the temporary mute function is not operating

-

Proceed to "No. 1 Clearance Warning Buzzer Circuit"

Clearance warning ECU assembly

Display Function

Symptom

Suspected Area

Link

Detection operation is normal but clearance sonar indicator does not illuminate

Check that the CAN communication system is operating normally

Combination meter assembly (LED): Perform Active Test (Indicat. Clearance Sonar LCD)

Combination meter assembly

Clearance warning ECU assembly

Detection operation is normal but all displays do not appear

Check that the CAN communication system is operating normally

Clearance warning ECU assembly

Detection operation is normal but sonar displays do not appear on the multi-information display

Check that the CAN communication system is operating normally

Combination meter assembly

Clearance warning ECU assembly

Detection operation is normal but sonar displays do not appear on the radio and display receiver assembly

Check that the CAN communication system is operating normally

Radio and display receiver assembly

Rear television camera assembly

Television camera controller

Clearance warning ECU assembly

Detection operation is normal but sonar displays do not appear on the on the headup display

Check that the CAN communication system is operating normally

Meter mirror sub-assembly

Clearance warning ECU assembly

    READ NEXT:

     Terminals Of Ecu

    TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the R39 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector accordin

     Diagnosis System

    DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the GTS to the vehicle and reading v

     Dtc Check / Clear

    DTC CHECK / CLEAR CHECK DTC (a) Connect the GTS to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the intuitive parking assist system on. (d) Turn the GTS on. (e) Enter the following menus

    SEE MORE:

     Parking Support Brake function (rear-crossing vehicles)

    If a radar sensor detects a vehicle approaching from the right or left at the rear of the vehicle and the system determines that the possibility of a collision is high, this function will perform brake control to reduce the likelihood of an impact with the approaching vehicle. Examples of syste

     Unable To Connect To Call Center

    DESCRIPTION This may occur when the intensity of telephone radio frequency was very weak, or the safety connect system has a malfunction and a DTC is set. PROCEDURE 1. CHECK COMMUNICATION SERVICE CONDITION (a) Move the vehicle. (1) If the vehicle is outside the communication service

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