SLIDING ROOF SYSTEM, Diagnostic DTC:B2343

DTC Code DTC Name
B2343 Position Initialization Incomplete

DESCRIPTION

This DTC is output when the sliding roof drive gear sub-assembly (sliding roof ECU) has not been initialized.

DTC Code DTC Detection Condition Trouble Area
B2343 The sliding roof drive gear sub-assembly (sliding roof ECU) has not been initialized

  • Sliding roof drive gear sub-assembly (sliding roof ECU)

  • Map light assembly (sliding roof switch)

  • Harness or connector

WIRING DIAGRAM

B001YDVE04

PROCEDURE


  1. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)


    1. Check that the sliding roof drive gear sub-assembly can be initialized Click here.

      OK
      Sliding roof drive gear can be initialized.

    NG

    CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) AND BODY GROUND) Click here

    OK

  2. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      No DTC is output A
      DTC B2343 is output B

    A

    END

    B

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here

  3. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) AND BODY GROUND)


    1. Disconnect the R15 sliding roof drive gear sub-assembly (sliding roof ECU) connector.

    2. Disconnect the R7 map light assembly (sliding roof switch) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      R15-4 (UP) - R7-19 (UP) Always Below 1 Ω
      R15-6 (DWN) - R7-18 (DOWN) Always Below 1 Ω
      R15-7 (OPN) - R7-8 (OPN) Always Below 1 Ω
      R15-5 (CLS) - R7-7 (CLS) Always Below 1 Ω
      R7-17 (GND9) - Body ground Always Below 1 Ω
      R15-12 (E) - Body ground Always Below 1 Ω
      R15-4 (UP) or R7-19 (UP) - Body ground Always 10 kΩ or higher
      R15-6 (DWN) or R7-18 (DOWN) - Body ground Always 10 kΩ or higher
      R15-7 (OPN) or R7-8 (OPN) - Body ground Always 10 kΩ or higher
      R15-5 (CLS) or R7-7 (CLS) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)


    1. B001YG2E02
      Text in Illustration
      *a

      Component with harness connected

      (Map Light Assembly (Sliding Roof Switch))

      Remove the map light assembly (sliding roof switch) Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      19 (UP) - 17 (GND9) UP switch is pressed Below 1 Ω
      19 (UP) - 17 (GND9) UP switch is not pressed 10 kΩ or higher
      18 (DOWN) - 17 (GND9) DOWN switch is pressed Below 1 Ω
      18 (DOWN) - 17 (GND9) DOWN switch is not pressed 10 kΩ or higher
      8 (OPN) - 17 (GND9) OPEN switch is pressed Below 1 Ω
      8 (OPN) - 17 (GND9) OPEN switch is not pressed 10 kΩ or higher
      7 (CLS) - 17 (GND9) CLOSE switch is pressed Below 1 Ω
      7 (CLS) - 17 (GND9) CLOSE switch is not pressed 10 kΩ or higher

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here

    NG

    REPLACE MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) Click here