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Home >> Toyota >> 2018 >> RAV4 XLE, FWD >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Tire Pressure Warning System (Diagnostic Codes & Circuit Tests) (Except Hybrid) >> Tire Pressure Warning System >> DTC C2177-77: Initialization not Completed [12/2012 - ] >> Procedure

DTC C2177-77: Initialization not Completed [12/2012 - ]: Procedure

  1. CHECK FREQUENCY RECEIVING CONDITION 
    1. Check that the vehicle is not located in an area such as described below:
      1. Facilities or devices that use similar radio frequencies are located in the vicinity of the vehicle.

        HINT: 

        If the vehicle is located in an area such as the one described above, the tire pressure warning light may come on after blinking 1 minute only in a particular area due to interfering radio frequencies.

      2. Devices using similar radio frequencies are used in the vehicle.

        OK

        Facilities, or devices that use similar radio frequencies are not located in the vicinity of the vehicle.

        HINT: 

        Radio transmissions may be interrupted due to the surroundings, or devices installed by the user.

    Result: 

    NG 

    CHECK IF ANY DEVICE IS INSTALLED BY USER 

    Result: 

    OK 

    See step  2

  2. PERFORM INITIALIZATION 
    1. Perform initialization.

      Refer to INITIALIZATION [12/2012 - ]

    Result: 

    NEXT 

    See step  3

  3. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) 
    1. Turn the ignition switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the ignition switch to ON.
    4. Turn the Techstream on.
    5. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
    6. Check the values by referring to the table below.

      Chassis > Tire Pressure Monitor > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      ID 1 Tire Inflation Pressure ID1 tire inflation pressure min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2 , 0 psi)
      max.: Absolute pressure (abs) / 488.72 kPa (4.9 kgf/cm2 , 70 psi), Relative pressure (Gauge) / 388.72kPa (3.9 kgf/cm2 , 56 psi)
      Actual tire inflation pressure If N/A is displayed, data has not been received.*
      ID 2 Tire Inflation Pressure ID2 tire inflation pressure min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2 , 0 psi)
      max.: Absolute pressure (abs) / 488.72 kPa (4.9 kgf/cm2 , 70 psi), Relative pressure (Gauge) / 388.72kPa (3.9 kgf/cm2 , 56 psi)
      Actual tire inflation pressure If N/A is displayed, data has not been received.*
      ID 3 Tire Inflation Pressure ID3 tire inflation pressure min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2 , 0 psi)
      max.: Absolute pressure (abs) / 488.72 kPa (4.9 kgf/cm2 , 70 psi), Relative pressure (Gauge) / 388.72kPa (3.9 kgf/cm2 , 56 psi)
      Actual tire inflation pressure If N/A is displayed, data has not been received.*
      ID 4 Tire Inflation Pressure ID4 tire inflation pressure min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2 , 0 psi)
      max.: Absolute pressure (abs) / 488.72 kPa (4.9 kgf/cm2 , 70 psi), Relative pressure (Gauge) / 388.72kPa (3.9 kgf/cm2 , 56 psi)
      Actual tire inflation pressure If N/A is displayed, data has not been received.*
      ID 5 Tire Inflation Pressure ID5 tire inflation pressure min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2 , 0 psi)
      max.: Absolute pressure (abs) / 488.72 kPa (4.9 kgf/cm2 , 70 psi), Relative pressure (Gauge) / 388.72kPa (3.9 kgf/cm2 , 56 psi)
      Actual tire inflation pressure
      • If N/A is displayed, data has not been received.*
      • w/ Full Size Spare Tire

      HINT: 

      • *: It may take a few minutes until the values are displayed.
      • When no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270 degrees. Then rapidly release the tire pressure and recheck the data.

      Chassis > Tire Pressure Monitor > Data List 

      Tester Display
      ID 1 Tire Inflation Pressure
      ID 2 Tire Inflation Pressure
      ID 3 Tire Inflation Pressure
      ID 4 Tire Inflation Pressure
      ID 5 Tire Inflation Pressure

    Result: 

    All tire pressure readings are equal to specified values. 

    END 

    Result:  2

    Tire pressure values are not displayed. 

    GO TO DTC C2121/21 TO C2125/25:  DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2125/25: No Signal from Transmitter ID5; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC); DTC C2185/85: Transmitter ID5 not Received (Test Mode DTC) [12/2012 - ]