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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. DTC Detection Condition Trouble Area
U0232 The blind spot monitor sensor LH cannot receive signals from the blind spot monitor sensor RH.

  • 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 inspection procedure.

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PROCEDURE


  1. Click here

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


    1. Disconnect the U9 blind spot monitor sensor RH connector.

    2. Disconnect the U8 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
      U9-1 (CA2P) - U8-1 (CA2P) Always Below 1 Ω
      U9-6 (CA2N) - U8-6 (CA2N) Always Below 1 Ω

    • OKClick here
    • NG

      REPAIR OR REPLACE CAN LINE OR CONNECTOR

  2. Click here

    CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)


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

      Standard Voltage
      Tester Connection Condition Specified Condition
      U9-5 (BRB) - Body ground Power switch on (IG) 11 to 14 V

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. Click here

    CHECK HARNESS AND CONNECTOR (GROUND TERMINAL)


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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U9-10 (BRGD) - Body ground Always Below 1 Ω

    • 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 (Click here).


  5. Click here

    CHECK DTC


    1. Clear the DTCs (Click here).

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

      OK
      No DTCs are output.

    • OK

      END (BLIND SPOT MONITOR SENSOR RH WAS DEFECTIVE)

    • NG

      REPLACE BLIND SPOT MONITOR SENSOR LH (Click here)