BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:U0232

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

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

WIRING DIAGRAM

A011Q8UE12

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.

PROCEDURE


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


    1. Disconnect the Q51 blind spot monitor sensor RH connector.

    2. Disconnect the Q50 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
      Q51-1 (CA2P) - Q50-1 (CA2P) Always Below 1 Ω
      Q51-6 (CA2N) - Q50-6 (CA2N) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE CAN LINE OR CONNECTOR

    OK

  2. 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
      Q51-5 (BRB) - Body ground Power switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. 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
      Q51-10 (BRGD) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. REPLACE BLIND SPOT MONITOR SENSOR RH


    1. Replace the blind spot monitor sensor RH.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  5. RECHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Blind Spot Monitor Master > Clear DTCs

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


      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 LH Click here