ELECTRIC PARKING BRAKE SYSTEM, Diagnostic DTC:C1207/65

DTC Code DTC Name
C1207/65 Malfunction in Neutral/Reverse Position Switch

DESCRIPTION

DTC Code DTC Detection Condition Trouble Area
C1207/65

Either condition is met:


  • A defective or sticking park/neutral position switch signal.

  • A defective or sticking back-up light switch signal.

  • Back-up light switch

  • Park/neutral position switch

  • Harness or connector

  • Electric parking brake ECU (Parking brake with bracket actuator assembly)

WIRING DIAGRAM

A005722E02
*a Back-up Light Switch
*b Park/Neutral Position Switch
*c Electric Parking Brake ECU (Parking Brake with Bracket Actuator Assembly)
*d from IG Circuit

CAUTION / NOTICE / HINT

Note


  • Before performing work, turn the ignition switch off and wait approximately 20 seconds to make sure that the parking brake cannot operate.

  • When replacing the parking brake with bracket actuator assembly, perform zero point calibration Click here.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH - BATTERY/ELECTRIC PARKING BRAKE ECU)


    1. Disconnect the back-up light switch connector.

    2. A0059H1E02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Back-up Light Switch)
      *2

      Front view of wire harness connector

      (to Electric Parking Brake ECU)

      Disconnect the electric parking brake ECU connector.

    3. Measure the voltage and resistance according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      B5-2 (RB) - Body ground Ignition switch ON 11 to 14 V
      Standard Resistance
      Tester Connection Condition Specified Condition
      B5-1 (RL) - I1-15 (RSW) Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ELECTRIC PARKING BRAKE ECU/BODY GROUND)


    1. Disconnect the park/neutral position switch connector.

    2. Disconnect the electric parking brake ECU connector.

    3. A00599XE02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Park/Neutral Position Switch)
      *2

      Front view of wire harness connector

      (to Electric Parking Brake ECU)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      B17-2 (TMN) - I1-17 (NSW) Always Below 1 Ω
      B17-2 (TMN) - Body ground Always 100 kΩ or higher
      B17-1 (TME) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT BACK-UP LIGHT SWITCH


    1. Remove the back-up light switch Click here.

    2. A00582FE02
      *1 Released
      *2 Pushed in
      *3 Component without harness connected: (Back-up Light Switch)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 (RL) - 2 (RB) Pushed in Below 1 Ω
      Released 100 kΩ or higher

    NG

    REPLACE BACK-UP LIGHT SWITCH Click here

    OK

  4. INSPECT PARK/NEUTRAL POSITION SWITCH


    1. Remove the park/neutral position switch Click here.

    2. A005518E02
      *1 Released
      *2 Pushed in
      *3 Component without harness connected: (Park/Neutral Position Switch)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 (TME) - 2 (TMN) Pushed in Below 1 Ω
      Released 100 kΩ or higher

    NG

    REPLACE PARK/NEUTRAL POSITION SWITCH Click here

    OK

  5. RECONFIRM DTC


    1. Clear the DTCs Click here.

    2. Drive the vehicle forward and in reverse.

    3. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is output. A
      DTC is not output. B

    A

    REPLACE PARKING BRAKE WITH BRACKET ACTUATOR ASSEMBLY Click here

    B

    USE SIMULATION METHOD TO CHECK Click here