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Home >> Toyota >> 2025 >> RAV4 Plug-In Hybrid XSE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 478 (Electric Parking Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (1 Of 2)) >> ELECTRIC PARKING BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C13A2: Engine Switch/Power Switch Malfunction [11/2018 - 02/2019] >> Procedure

DTC C13A2: Engine Switch/Power Switch Malfunction [11/2018 - 02/2019]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK HARNESS AND CONNECTOR (IG POWER SOURCE CIRCUIT - PARKING BRAKE ECU ASSEMBLY) 
    1. Turn the power switch off.
    2. Disconnect the parking brake ECU assembly connector.
      GTY939016Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Parking Brake ECU Assembly)
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      M35-5 (IG) - Body ground Power switch on (IG) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 02/2019]

      Chassis > Electric Parking Brake > Clear DTCs 

    2. Turn the power switch off.
    3. Check for DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 02/2019]

      Chassis > Electric Parking Brake > Trouble Codes 

      Result

      Proceed to
      DTC is output
      DTC is not output

    Result: 

    DTC is output 

    REPLACE PARKING BRAKE ECU ASSEMBLY. Refer to  REMOVAL [11/2018 - 02/2019] 

    Result: 

    DTC is not output 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]