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BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:U0232

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DTC Code DTC Name
U0232 Lost Communication with Blind Spot Monitor Slave Module
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DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH judges that there is a communication problem with the blind spot monitor sensor RH.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0232 Lost Communication with Blind Spot Monitor Slave Module The blind spot monitor sensor (master) cannot receive signals from the blind spot monitor sensor (slave)

  • CAN communication line

  • Blind spot monitor sensor LH

  • Blind spot monitor sensor RH
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

  • When checking for DTCs, make sure that the blind spot monitor main switch (warning canceling switch assembly) is on.

  • Inspect the fuses for circuits related to this system before performing the following procedure.

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PROCEDURE


  1. Click here

    CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BLIND SPOT MONITOR SENSOR RH)


    1. Disconnect the U47 blind spot monitor sensor RH connector.

    2. Disconnect the U48 blind spot monitor sensor LH connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      U47-1 (CA2P) - U48-1 (CA2P) Always Below 1 Ω
      U47-6 (CA2N) - U48-6 (CA2N) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE CAN LINE OR CONNECTOR

  2. Click here

    CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH POWER SOURCE TERMINAL)


    1. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      U47-5 (BRB) - Body ground Engine switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. Click here

    CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH GROUND TERMINAL)


    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      U47-10 (BRGD) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. Click here

    REPLACE BLIND SPOT MONITOR SENSOR RH


    1. Replace the blind spot monitor sensor RH.

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      Result
      Proceed to
      NEXT

  5. Click here

    RECHECK DTC


    1. Clear the DTCs.

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      1. Body Electrical > Blind Spot Monitor Master > Clear DTCs


    2. Recheck for DTCs and check if the same DTC is output again.


      1. Body Electrical > Blind Spot Monitor Master > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    • OK

      END

    • NG

      REPLACE BLIND SPOT MONITOR SENSOR LHClick here