TIRE PRESSURE WARNING SYSTEM, Diagnostic DTC:C2141, C2142, C2143, C2144

DTC Code DTC Name
C2141 Transmitter ID1 Error
C2142 Transmitter ID2 Error
C2143 Transmitter ID3 Error
C2144 Transmitter ID4 Error

DESCRIPTION

The tire pressure warning valve and transmitters that are installed in the tire and wheel assemblies measure the tire pressure of each wheel. The measured values are transmitted to the tire pressure warning ECU and receiver in the vehicle as radio waves. The ECU compares the measured tire pressure values with the tire pressure threshold. When the measured tire pressure value is less than this threshold, the warning light in the combination meter assembly illuminates.

When the internal circuit of a tire pressure warning valve and transmitter is malfunctioning, one of these DTCs is output.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
C2141 Transmitter ID1 Error If an "ERROR" signal is received 3 times consecutively, the tire pressure warning valve and transmitter will be judged as defective and a DTC will be output.

  • Tire pressure warning valve and transmitter

  • Tire pressure warning ECU and receiver

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C2142 Transmitter ID2 Error If an "ERROR" signal is received 3 times consecutively, the tire pressure warning valve and transmitter will be judged as defective and a DTC will be output.

  • Tire pressure warning valve and transmitter

  • Tire pressure warning ECU and receiver

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C2143 Transmitter ID3 Error If an "ERROR" signal is received 3 times consecutively, the tire pressure warning valve and transmitter will be judged as defective and a DTC will be output.

  • Tire pressure warning valve and transmitter

  • Tire pressure warning ECU and receiver

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C2144 Transmitter ID4 Error If an "ERROR" signal is received 3 times consecutively, the tire pressure warning valve and transmitter will be judged as defective and a DTC will be output.

  • Tire pressure warning valve and transmitter

  • Tire pressure warning ECU and receiver

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Tech Tips

It is necessary to perform the following procedure to identify the tire pressure warning valve and transmitter that is malfunctioning because it cannot be identified by the output DTC.

CAUTION / NOTICE / HINT

Note


  • When replacing the tire pressure warning ECU and receiver, first use the GTS to record all of the current IDs and registered tires with transmitters (4 or 5 tires) of the tire pressure warning valve and transmitter registered to the tire pressure warning ECU and receiver.

  • It is necessary to perform initialization after registration Click here of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU and/or one of the valve and transmitters has been replaced.

PROCEDURE


  1. IDENTIFY TRANSMITTER CORRESPONDING TO DTC (TIRE POSITION)


    1. Turn the power switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the power switch on (IG).

    4. Turn the GTS on.

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

    6. Display the "ID Tire Position" value for each wheel using the GTS.

    7. Refer to the following chart and check the wheel position of the DTC and transmitter match.


      Chassis > Tire Pressure Monitor > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      ID 1 Tire Position ID1 Tire Position No Information or FL or FR or RL or RR or Spare or Judging ID1 tire position is displayed If no tire position information is stored, "No Information" will be displayed.
      ID 2 Tire Position ID2 Tire Position No Information or FL or FR or RL or RR or Spare or Judging ID2 tire position is displayed If no tire position information is stored, "No Information" will be displayed.
      ID 3 Tire Position ID3 Tire Position No Information or FL or FR or RL or RR or Spare or Judging ID3 tire position is displayed If no tire position information is stored, "No Information" will be displayed.
      ID 4 Tire Position ID4 Tire Position No Information or FL or FR or RL or RR or Spare or Judging ID4 tire position is displayed If no tire position information is stored, "No Information" will be displayed.

      Tech Tips

      Refer to the following chart for the Data List items that correspond to the DTCs.

      DTC No. Detection Item Data List
      C2141 Transmitter ID1 Error ID1 Tire Position
      C2142 Transmitter ID2 Error ID2 Tire Position
      C2143 Transmitter ID3 Error ID3 Tire Position
      C2144 Transmitter ID4 Error ID4 Tire Position

      Chassis > Tire Pressure Monitor > Data List
      Tester Display
      ID 1 Tire Position
      ID 2 Tire Position
      ID 3 Tire Position
      ID 4 Tire Position
      Result
      Proceed to
      NEXT

    NEXT

    REPLACE CORRESPONDING TIRE PRESSURE WARNING VALVE AND TRANSMITTER Click here