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Home >> Toyota >> 2018 >> RAV4 LE, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Lane Departure Alert System - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> Lane Departure Alert System >> DTC C1AA7: Skid Control Buzzer Circuit [12/2012 - 10/2015] >> Procedure

DTC C1AA7: Skid Control Buzzer Circuit [12/2012 - 10/2015]: Procedure

  1. CHECK HARNESS AND CONNECTOR (SKID CONTROL BUZZER ASSEMBLY - LANE DEPARTURE WARNING CAMERA AND BATTERY) 
    1. Disconnect the G74 skid control buzzer assembly connector.
    2. Disconnect the Q13 lane departure warning camera connector.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      G74-2 (IG1) - Body ground Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G74-1 (BZ) - Q13-8 (BZ) Always Below 1 Ω
      G74-1 (BZ) - Body ground Always 10 kΩ or higher

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. INSPECT SKID CONTROL BUZZER ASSEMBLY 
    1. Remove the skid control buzzer assembly.

      Refer to REMOVAL [12/2012 - 10/2015] .

    2. Inspect the skid control buzzer assembly.

      Refer to INSPECTION [12/2012 - 10/2015] .

    Result: 

    OK 

    REPLACE LANE DEPARTURE WARNING CAMERA. Refer to  REMOVAL [12/2012 - 10/2015]  . 

    Result: 

    NG 

    REPLACE SKID CONTROL BUZZER ASSEMBLY. Refer to  REMOVAL [12/2012 - 10/2015]  .