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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 85 (Blind Spot Monitor System - Diagnostic Codes & Symptom Tests (Hybrid)) >> BLIND SPOT MONITOR SYSTEM (for HV Model) >> DTC U0233: Lost Communication with Blind Spot Monitor Master Module [04/2018 -] >> Procedure

DTC U0233: Lost Communication with Blind Spot Monitor Master Module [04/2018 -]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT 
    1. Turn the power switch off.
    2. Turn the power switch on (IG).
    3. Clear the DTCs.

      Body Electrical > Blind Spot Monitor Slave > Clear DTCs 

    4. Check for DTCs.

      Body Electrical > Blind Spot Monitor Slave > Trouble Codes 

      Result

      Result Proceed to
      DTC U0233 is output A
      No DTCs are output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 -] 

    Result: 

    See step  2

  2. REPLACE BLIND SPOT MONITOR SENSOR RH 

    Refer to REMOVAL [04/2018 -]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK DTC OUTPUT 
    1. Check for DTCs.

      Body Electrical > Blind Spot Monitor Slave > Trouble Codes 

      Result

      Result Proceed to
      DTC U0233 is output A
      No DTCs are output B

    Result: 

    REPLACE BLIND SPOT MONITOR SENSOR LH. Refer to  REMOVAL [04/2018 -] 

    Result: 

    END (BLIND SPOT MONITOR SENSOR RH WAS DEFECTIVE)