POWER TRUNK LID SYSTEM, Diagnostic DTC:B2251

DTC Code DTC Name
B2251 PBD/PTL Closer Switch

DESCRIPTION

DTC B2251 is output if there is a malfunction in the half latch switch circuit of the luggage door closer assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC Output from
B2251 PBD/PTL Closer Switch When luggage door is opening or closing, malfunction occurs in half-latch switch, striker switch circuit of luggage door closer assembly.

  • Luggage closer motor assembly

  • Harness or connector

  • Luggage door closer assembly

 ○ Luggage closer motor assembly

WIRING DIAGRAM

B006CCPE02
*1 Half Latch Switch
*2 Luggage Door Closer Assembly
*3 Luggage Closer Motor Assembly

CAUTION / NOTICE / HINT

Note


  • If a luggage closer motor assembly DTC is output, the luggage compartment door closer and power trunk lid stops operating.

  • If the replacement, removal and installation of the luggage closer motor assembly or disconnection of the connectors of the luggage closer motor assembly has been performed, initialize the power trunk lid system.

    Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Back Door > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > Back Door > Trouble Codes
      OK
      DTC B2251 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. READ VALUE USING GTS


    1. Read the Data List according to the display on the GTS.

      Click here


      Body Electrical > Back Door > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Half Latch SW Luggage closer motor assembly (half latch switch) signal OFF or ON

      ON: Luggage door closer assembly open-latched

      OFF: Luggage door closer assembly full-latched or half-latched

      		 -

      Body Electrical > Back Door > Data List
      Tester Display
      Half Latch SW
      OK
      The Data List display changes according to luggage compartment door operation.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here

    NG

  3. INSPECT LUGGAGE DOOR CLOSER ASSEMBLY


    1. Remove the luggage door closer assembly.

      Click here

      B006FDOC01
      *a

      Component without harness connected

      (Luggage Door Closer Assembly)

      		 *b Open
      *c Half latch - -

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      6 (FSW) -7 (E) Open Below 1 Ω
      Half latch 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE LUGGAGE DOOR CLOSER ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (LUGGAGE CLOSER MOTOR ASSEMBLY - LUGGAGE DOOR CLOSER ASSEMBLY)


    1. Disconnect the L10 luggage closer motor assembly connector.

    2. Disconnect the L12 luggage door closer assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L10-7 (HAF) - L12-6 (FSW) Always Below 1 Ω
      L10-7 (HAF) or L12-6 (FSW) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR