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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 C2126-26: Transmitter ID not Received in Main Mode [12/2012 - ] >> Procedure

DTC C2126-26: Transmitter ID not Received in Main Mode [12/2012 - ]: Procedure

  1. IDENTIFY TRANSMITTER NOT RECEIVED 
    1. Set the tire pressure to the specified values.

      Refer to INSPECTION [12/2012 - 11/2013] , or refer to INSPECTION [11/2013 - ]

    2. Turn the ignition switch off.
    3. Connect the Techstream to the DLC3.
    4. Turn the ignition switch to ON.
    5. Turn the Techstream on.
    6. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
    7. 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.

      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
    8. Rapidly reduce the tire pressure for each wheel at least 40 kPa (0.4 kg/cm2 , 5.8 psi) within 30 seconds.
    9. Check the Data List.
      NOTE:
      • It may take a few minutes to display the updated tire pressure data.
      • When the "ID Tire Inflation Pressure" data 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 data.
      • Record the transmitter ID of which "ID Tire Inflation Pressure" data corresponds to each tire.
    10. After confirming that the "ID Tire Inflation Pressure" data for one tire has changed, repeat this procedure one by one. Identify the transmitter that corresponds to the DTC.

    Result: 

    All normal 

    END 

    Result: 

    One or more of transmitters abnormal 

    See step  2

  2. CHECK TRANSMITTER ID 
    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
      Registered ID 1 Code Registered ID1 code min.: 0, max.: FFFFFFF* ID No. registered for transmitter ID1 displayed
      • 8 Digit Number: for TMMC Made w/o Smart Key System
      • 7 Digit Number: except TMMC Made, and for TMMC Made w/ Smart Key System
      Registered ID 2 Code Registered ID2 code min.: 0, max.: FFFFFFF* ID No. registered for transmitter ID2 displayed
      • 8 Digit Number: for TMMC Made w/o Smart Key System
      • 7 Digit Number: except TMMC Made, and for TMMC Made w/ Smart Key System
      Registered ID 3 Code Registered ID3 code min.: 0, max.: FFFFFFF* ID No. registered for transmitter ID3 displayed
      • 8 Digit Number: for TMMC Made w/o Smart Key System
      • 7 Digit Number: except TMMC Made, and for TMMC Made w/ Smart Key System
      Registered ID 4 Code Registered ID4 code min.: 0, max.: FFFFFFF* ID No. registered for transmitter ID4 displayed
      • 8 Digit Number: for TMMC Made w/o Smart Key System
      • 7 Digit Number: except TMMC Made, and for TMMC Made w/ Smart Key System
      Registered ID 5 Code Registered ID5 code min.: 0, max.: FFFFFFF* ID No. registered for transmitter ID5 displayed
      • 8 Digit Number: for TMMC Made w/o Smart Key System
      • 7 Digit Number: except TMMC Made, and for TMMC Made w/ Smart Key System
      • w/ Full Size Spare Tire

      HINT: 

      *: 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
      Registered ID 5 Code
    7. Check the ID number on the identified transmitter by removing it from the tire and wheel.
      GTY472886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for TMMC Made w/o Smart Key System - -
      *1 Tire pressure warning valve and transmitter *2 Transmitter ID (8-digit number)
      GTY370662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A except TMMC Made, and for TMMC Made w/ Smart Key System - -
      *1 Tire pressure warning valve and transmitter *2 Transmitter ID (7-digit number)
    8. Confirm that the ID number on the transmitter and recorded transmitter ID match.

    Result: 

    Do not match 

    See step  4

    Result: 

    Match 

    See step  3

  3. REPLACE TIRE PRESSURE WARNING VALVE AND TRANSMITTER 
    1. Replace the tire pressure warning valve and transmitter.

      Refer to REMOVAL [12/2012 - ]

    Result: 

    NEXT 

    See step  4

  4. REGISTRATION OF TRANSMITTER ID 
    1. Perform registration.

      Refer to REGISTRATION [12/2012 - ]

    Result: 

    NEXT 

    See step  5

  5. PERFORM INITIALIZATION 
    1. Perform initialization.

      Refer to INITIALIZATION [12/2012 - ]

    Result: 

    NEXT 

    See step  6

  6. 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: 

    Tire pressure values are not displayed. 

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER:  REMOVAL [12/2012 - ] 

    Result: 

    All tire pressure readings are equal to specified values. 

    END 

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