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TIRE PRESSURE WARNING SYSTEM, Diagnostic DTC:C2171/71

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DTC Code DTC Name
C2171/71 Transmitter ID not Registered
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DESCRIPTION

The IDs of each tire pressure warning valve and transmitter are registered to the tire pressure warning ECU and receiver.

When the ECU detects that a transmitter ID code is not registered in the ECU, this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
C2171/71 Transmitter ID not Registered Transmitter ID code is not registered. (When an ID code is unregistered for 3 minutes or more) Tire pressure warning ECU and receiver -
Note:

w/ ID Switching Function:

(Main) is displayed on the DTC screen for the DTCs even when the 2nd set of tires is selected.

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CAUTION / NOTICE / HINT

Note:

  • When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the GTS and write them down before removal.

  • It is necessary to perform initialization after registrationClick hereof the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.

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PROCEDURE


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    CONFIRM REGISTRATION CONDITION (REGISTERED ID CODES)


    1. Turn the engine switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the engine switch on (IG).

    4. Turn the GTS on.

    5. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

    6. Check the values by referring to the table below.


      1. Chassis > Tire Pressure Monitor > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Registered ID 1 Code Registered ID1 code

        min.: 0

        max.: FFFFFFF*1

        		 ID No. registered for transmitter ID1 displayed -
        Registered ID 2 Code Registered ID2 code

        min.: 0

        max.: FFFFFFF*1

        		 ID No. registered for transmitter ID2 displayed -
        Registered ID 3 Code Registered ID3 code

        min.: 0

        max.: FFFFFFF*1

        		 ID No. registered for transmitter ID3 displayed -
        Registered ID 4 Code Registered ID4 code

        min.: 0

        max.: FFFFFFF*1

        		 ID No. registered for transmitter ID4 displayed -






      1. Chassis > Tire Pressure Monitor > Data List
        Tester Display
        Registered ID 1 Code
        Registered ID 2 Code
        Registered ID 3 Code
        Registered ID 4 Code







      Tip:

      *1: Displayed only when the ID No. is not registered.

      OK
      The registered transmitter ID codes are displayed on the GTS.
      Result
      Proceed to
      OK
      NG

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    PERFORM REGISTRATION (TRANSMITTER ID)


    1. Perform registration.

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      Result
      Proceed to
      NEXT

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    PERFORM INITIALIZATION


    1. Perform initialization.

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      Result
      Proceed to
      NEXT

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    CONFIRM TIRE INFLATION PRESSURE (DATA LIST)


    1. Turn the engine switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the engine switch on (IG).

    4. Turn the GTS on.

    5. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

    6. Check the values by referring to the table below.


      1. 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) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

        		 Actual tire inflation pressure If N/A is displayed, data has not been received.*1
        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) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

        		 Actual tire inflation pressure If N/A is displayed, data has not been received.*1
        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) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

        		 Actual tire inflation pressure If N/A is displayed, data has not been received.*1
        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) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

        		 Actual tire inflation pressure If N/A is displayed, data has not been received.*1






      1. 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







      Tip:

      • *1: It may take a few minutes until the values are displayed.

      • When an "ID Tire Inflation Pressure" value has not 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 value.

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

    • A

      END

    • B

      REPLACE TIRE PRESSURE WARNING ECU AND RECEIVERClick here