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 (sliding roof ECU) has not been initialized.

DTC Code DTC Detection Condition Trouble Area
B2343 The sliding roof drive gear (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

A015C2KE01

INSPECTION PROCEDURE

PROCEDURE


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


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

      OK
      Sliding roof drive gear can be initialized.

    NG

    CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR - MAP LIGHT) Click here

    OK

  2. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check the DTCs Click here.

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

    B

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

    A

    END

  3. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR - MAP LIGHT)

    A0155F7E01

    1. Disconnect the R5 drive gear connector.

    2. Disconnect the R7 map light connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      R5-10 (UP) - R7-19 (UP) Always Below 1 Ω
      R5-8 (DWN) - R7-18 (DOWN) Always Below 1 Ω
      R5-7 (OPN) - R7-8 (OPN) Always Below 1 Ω
      R5-9 (CLS) - R7-7 (CLS) Always Below 1 Ω
      R7-17 (GND9) - Body ground Always Below 1 Ω
      R5-2 (E) - Body ground Always Below 1 Ω
      R5-10 (UP) or R7-19 (UP) - Body ground Always 10 kΩ or higher
      R5-8 (DWN) or R7-18 (DOWN) - Body ground Always 10 kΩ or higher
      R5-7 (OPN) or R7-8 (OPN) - Body ground Always 10 kΩ or higher
      R5-9 (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)

    A01563PE01

    1. Remove the map light 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

    NG

    REPLACE MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) Click here

    OK

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