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 RH judges that there is a communication error with the blind spot monitor sensor LH.

DTC No. DTC Detection Condition Trouble Area
U0232 The blind spot monitor sensor RH cannot receive signals from the blind spot monitor sensor LH.

  • CAN communication Line

  • Blind spot monitor sensor LH

  • Blind spot monitor sensor RH

WIRING DIAGRAM

A01HU27E12

INSPECTION PROCEDURE

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.

PROCEDURE


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


    1. Disconnect the O28 blind spot monitor sensor RH connector.

    2. Disconnect the T10 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
      O28-1 (CA2P) - T10-1 (CA2P) Always Below 1 Ω
      O28-6 (CA2N) - T10-6 (CA2N) Always Below 1 Ω

    NG

    REPAIR OR REPLACE CAN LINE OR CONNECTOR

    OK

  2. 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
      T10-5 (BLB) - Body ground Power switch on (IG) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. 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
      T10-10 (BLGD) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. REPLACE BLIND SPOT MONITOR SENSOR LH


    1. Replace the blind spot monitor sensor LH Click here.


    NEXT

  5. 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.

    NG

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

    OK

    END (BLIND SPOT MONITOR SENSOR LH WAS DEFECTIVE)