SLIDE DOOR CLOSER SYSTEM, Diagnostic DTC:B2255

DTC Code DTC Name
B2255 Slide Door Closer Switch LH Malfunction

DESCRIPTION

This DTC is output when a half latch switch ON signal and full latch switch OFF signal are sent to the ECU simultaneously due to a switch malfunction.

DTC No. DTC Detection Condition Trouble Area
B2255 Slide door closer switch LH malfunction

  • Rear slide door lock assembly LH

  • No. 2 rear door wire

  • Slide door motor unit LH (Power slide door ECU LH)

WIRING DIAGRAM

A01CAVPE07

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (POSITION SWITCH)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Enter the following menus: Body / Rear Left Door / Data List.

    4. Check if the switch is functioning properly.

      Rear Left Door (Power Slide Door ECU LH)
      Tester Display Measurement Item / Range Normal Condition Diagnosis Note
      Half Switch Status of the half latch switch / OFF or ON

      OFF: Slide door half latched → fully closed

      ON: Slide door open → half latched

      		 -
      Full Switch Status of the full latch switch / OFF or ON

      OFF: Slide door fully closed

      ON: Slide door open → fully closed

      		 -
      OK
      When the switch is operating, the intelligent tester should display as shown in the above table.

    NG

    INSPECT REAR SLIDE DOOR LOCK ASSEMBLY LH (FULL LATCH SWITCH, HALF LATCH SWITCH) Click here

    OK

    REPLACE SLIDE DOOR MOTOR UNIT LH (POWER SLIDE DOOR ECU LH) Click here

  2. INSPECT REAR SLIDE DOOR LOCK ASSEMBLY LH (FULL LATCH SWITCH, HALF LATCH SWITCH)


    1. Disconnect the L4 rear slide door lock assembly LH connector.

    2. A01CB9WE01

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

      Standard Resistance
      Full Latch Switch
      Tester Connection Condition Specified Condition
      L4-6 (FUL) - L4-7 (E1) Open Below 1 Ω
      L4-6 (FUL) - L4-7 (E1) Half latch Below 1 Ω
      L4-6 (FUL) - L4-7 (E1) Full latch 10 kΩ or higher
      L4-6 (FUL) - L4-7 (E1) Over latch 10 kΩ or higher
      Half Latch Switch
      Tester Connection Condition Specified Condition
      L4-5 (HAF) - L4-7 (E1) Open Below 1 Ω
      L4-5 (HAF) - L4-7 (E1) Half latch 10 kΩ or higher
      L4-5 (HAF) - L4-7 (E1) Full latch 10 kΩ or higher
      L4-5 (HAF) - L4-7 (E1) Over latch 10 kΩ or higher

    NG

    REPLACE REAR SLIDE DOOR LOCK ASSEMBLY LH Click here

    OK

  3. CHECK NO. 2 REAR DOOR WIRE (REAR SLIDE DOOR LOCK ASSEMBLY LH - ECU LH AND BODY GROUND)


    1. Disconnect the L5 power slide door ECU LH connector.

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

      A01CEH4E01
      Standard Resistance
      Tester Connection Condition Specified Condition
      L4-6 (FUL) - L5-5 (FUL) Always Below 1 Ω
      L4-5 (HAF) - L5-12 (HAF) Always Below 1 Ω
      L4-7 (E1) - Body ground Always Below 1 Ω
      L4-6 (FUL) - Body ground Always 10 kΩ or higher
      L4-5 (HAF) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE NO. 2 REAR DOOR WIRE Click here

    OK

    REPLACE SLIDE DOOR MOTOR UNIT LH (POWER SLIDE DOOR ECU LH) Click here