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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 127 (Tire Pressure Warning System - Diagnostic Codes & Symptom Tests (Hybrid)) >> TIRE PRESSURE WARNING SYSTEM (for HV Model) >> DTC C2171: Transmitter ID not Registered (Main) [04/2018 -] >> Procedure

DTC C2171: Transmitter ID not Registered (Main) [04/2018 -]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CONFIRM REGISTRATION CONDITION (REGISTERED ID CODES) 
    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
    6. Read the Data List according to the display on the Techstream.

      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 -

      HINT: 

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

      Chassis > Tire Pressure Monitor > Data List 

      Tester Display
      Registered ID 1 Code
      Registered ID 2 Code
      Registered ID 3 Code
      Registered ID 4 Code

      OK

      The registered transmitter ID codes are displayed on the Techstream.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 -] 

    Result: 

    NG 

    See step  2

  2. PERFORM REGISTRATION (TRANSMITTER ID) 
    1. Perform registration.

      Refer to REGISTRATION [04/2018 - 08/2019] , or refer to REGISTRATION [08/2019 -]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. PERFORM INITIALIZATION 
    1. Perform initialization.

      Refer to INITIALIZATION [04/2018 -]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) 
    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
    6. Read the Data List according to the display on the Techstream.

      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

      HINT: 

      • *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.

      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

      Result

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

    Result: 

    A 

    END 

    Result: 

    B 

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 -] 

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