BACK DOOR CLOSER SYSTEM, Diagnostic DTC:B2250

DTC Code DTC Name
B2250 Back Door Closer Operation Malfunction

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)

WIRING DIAGRAM

A01NCVEE02

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT BACK DOOR LOCK ASSEMBLY (SECTOR SWITCH)


    1. Remove the back door lock assembly Click here.

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

      A01NHD1E01
      Standard Resistance
      Tester Connection 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
      Text in Illustration
      *1

      Component without harness connected

      (Back Door Lock Assembly)

      		 *2 Sector Switch
      *3 Sector Gear - -

    NG

    REPLACE BACK DOOR LOCK ASSEMBLY Click here

    OK

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


    1. A01NE6YE04
      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))

      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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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