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Home >> Toyota >> 2008 >> Camry Base, Automatic >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Tire & Wheel (Except Hybrid) >> Tire Pressure Warning System >> DTC C2177/77 Initialization not Completed >> Inspection Procedure

Inspection Procedure

NOTE:
  • When replacing the tire pressure warning ECU, read the IDs stored in the old ECU using Techstream and write them down before removal.
  • It is necessary to perform initialization (See INITIALIZATION  ) after registration (See REGISTRATION  ) of the transmitter IDs into the tire pressure warning ECU after the ECU and/or valve and transmitter has been replaced.
  1. CHECK FREQUENCY RECEIVING CONDITION 
    1. Check if the vehicle is located in an area such as the one 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 described above, the tire pressure warning light may turn on only in a particular location.

      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 frequency may be interrupted due to vehicle surroundings or devices installed by the user.

    NG: CHECK IF ANY DEVICE IS INSTALLED BY USER 

    OK: Go to next step 

  2. PERFORM INITIALIZATION 
    1. Perform initialization (See INITIALIZATION  ).
  3. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) 
    1. Turn the ignition switch off.
    2. Connect Techstream to the DLC3.
    3. Turn the ignition switch on (IG) and turn the tester on.
    4. Enter the following menus:
      1. Select: Chassis / Tire Pressure Monitor / Data List
    5. Check the values by referring to the table below.

      Tire Pressure Monitor 

      TIRE PRESSURE MONITOR DATA LIST

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      ID1 Tire Inflation Pressure ID1 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure /-100 kPa(-1 kgf/cm2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/ cm2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1 kgf/ cm2 , -14 psi) is displayed for relative pressure, data has not been received.*
      ID2 Tire Inflation Pressure ID2 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure /-100 kPa(-1 kgf/cm2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/ cm2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1 kgf/ cm2 , -14 psi) is displayed for relative pressure, data has not been received.*
      ID3 Tire Inflation Pressure ID3 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure /-100 kPa(-1 kgf/cm2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/ cm2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1 kgf/ cm2 , -14 psi) is displayed for relative pressure, data has not been received.*
      ID4 Tire Inflation Pressure ID4 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure / -100 kPa (-1 kgf/cm2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/ cm2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm2 ,0 psi) is displayed for absolute pressure or -100 kPa (-1 kgf/ cm2 , -14 psi) is displayed for relative pressure, data has not been received.*
      ID5 Tire Inflation Pressure ID5 tire inflation pressure / min.: Absolute pressure / 0 kPa (0 kgf/cm2 , 0 psi), Relative pressure / -100 kPa (-1 kgf/cm2 , -14 psi) max.: Absolute pressure / 637.5 kPa (6.5 kgf/ cm2 , 92 psi), Relative pressure / 537.5 kPa (5.4 kgf/cm2 , 78 psi) Actual tire inflation pressure If 0 kPa (0 kgf/cm2 , 0 psi) is displayed for absolute pressure or -100 kPa (-1 kgf/ cm2 , -14 psi) is displayed for relative pressure, data has not been received.*
      HINT:
      • *: It may take about 2 or 3 minutes until the values are displayed.
      • If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270°. Then rapidly release the tire pressure and recheck it.

      Result 

      RESULT CHART

      Condition Proceed to
      Tire pressure values are not displayed. A
      All tire pressure readings are equal to specified values. B

    B : END 

    A: Go TO DTC C2121/21 TO C2125/25 

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