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BACK DOOR CLOSER SYSTEM, Diagnostic DTC:B2250

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DTC Code DTC Name
B2250 Back Door Closer Operation Malfunction
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DESCRIPTION

The power back door ECU (power back door motor unit) receives signals from the latch switch, sector switch, back door courtesy switch and pawl switch, which are built into the back door lock. Based on these switch signals, the latch position of the back door lock is determined.

DTC No. DTC Detection Condition Trouble Area
B2250 While the back door closer is operating, a malfunction is detected in position information from the sector switch within a specified amount of time.

  • Back door lock assembly

  • Wire harness or connector

  • Power back door ECU (Power back door motor unit)
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WIRING DIAGRAM

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INSPECTION PROCEDURE

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PROCEDURE


  1. Click here

    INSPECT BACK DOOR LOCK ASSEMBLY (SECTOR SWITCH)


    1. Remove the back door lock assembly (Click here).

    2. A019N4HE01

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

      Standard Resistance
      Measurement Condition Condition Specified Condition
      6 (DLSW) - 7 (E) Sector gear in neutral position (sector switch on) Below 1 Ω
      6 (DLSW) - 7 (E) Sector gear not in neutral position (sector switch off) 10 kΩ or higher
      Table 1. Text in Illustration
      *1

      Component without harness connected

      (Back Door Lock Assembly)

      		 *2 Sector Switch
      *3 Sector Gear - -

  2. Click here

    CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK - POWER BACK DOOR ECU)


    1. A019NQ0E04

      Disconnect the Y10 back door lock connector and P33 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Y10-6 (DLSW) - P33-24 (POS) Always Below 1 Ω
      Y10-7 (E) - Body ground Always Below 1 Ω
      Y10-6 (DLSW) - Body ground Always 10 kΩ or higher
      Table 2. Text in Illustration
      *1

      Front view of wire harness connector

      (to Back Door Lock Assembly)
      *2

      Front view of wire harness connector

      (to Power Back Door ECU (Power Back Door Motor Unit))

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    REPLACE BACK DOOR LOCK ASSEMBLYClick here

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    REPLACE POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT)Click here

  5. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR