SLIDING ROOF SYSTEM, Diagnostic DTC:B2343

DTC Code DTC Name
B2343 Position Initialization Incomplete

DESCRIPTION

This DTC is stored when the sliding roof drive gear sub-assembly has not been initialized.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2343

Position Initialization Incomplete

The sliding roof drive gear sub-assembly has not been initialized.

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

  • Map light assembly (Sliding roof switch)

  • Harness or connector

WIRING DIAGRAM

B243239E01

CAUTION / NOTICE / HINT

Note:

When the sliding roof drive gear sub-assembly is removed and reinstalled or replaced, the sliding roof drive gear sub-assembly must be initialized (Click here).

PROCEDURE

  1. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

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

      Click here

      OK

      The sliding roof drive gear sub-assembly can be initialized.

      Result

      Result

      OK

      NG
    NG

    INSPECT MAP LIGHT ASSEMBLYClick here

    OK

  2. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > Sliding Roof > Clear DTCs

    2. Check for DTCs.

      Click here

      Body Electrical > Sliding Roof > Trouble Codes

      Result

      Result

      Proceed to

      DTC B2343 is not output

      A

      DTC B2343 is output

      B
    A

    END

    B

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

    Click here

  3. INSPECT MAP LIGHT ASSEMBLY

    1. B240415C03

      *a

      Component without harness connected

      (Map Light Assembly)

      Remove the map light assembly.

      Click here

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

      Standard Resistance

      Tester Connection

      Switch Condition

      Specified Condition

      8 (IG) - 23 (IG3)

      Always

      Below 1 Ω

      24 (UP) - 5 (GND3)

      Tilt up switch pressed

      Below 1 Ω

      24 (UP) - 5 (GND3)

      Tilt up switch not pressed

      10 kΩ or higher

      25 (DOWN) - 5 (GND3)

      Tilt down switch pressed

      Below 1 Ω

      25 (DOWN) - 5 (GND3)

      Tilt down switch not pressed

      10 kΩ or higher

      27 (OPN) - 5 (GND3)

      Slide open switch pressed

      Below 1 Ω

      27 (OPN) - 5 (GND3)

      Slide open switch not pressed

      10 kΩ or higher

      28 (CLS) - 5 (GND3)

      Slide close switch pressed

      Below 1 Ω

      28 (CLS) - 5 (GND3)

      Slide close switch not pressed

      10 kΩ or higher

      Result

      Result

      OK

      NG
    NG

    REPLACE MAP LIGHT ASSEMBLY

    Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH, BATTERY AND BODY GROUND)

    1. Disconnect the W2 ECU connector.

    2. Disconnect the W7 switch connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      W2-10 (UP) - W7-24 (UP)

      Always

      Below 1 Ω

      W2-8 (DWN) - W7-25 (DOWN)

      Always

      Below 1 Ω

      W2-7 (OPN) - W7-27 (OPN)

      Always

      Below 1 Ω

      W2-9 (CLS) - W7-28 (CLS)

      Always

      Below 1 Ω

      W7-5 (GND3) - Body ground

      Always

      Below 1 Ω

      W2-2 (E) - Body ground

      Always

      Below 1 Ω

      W2-5 (IG) - W7-23 (IG3)

      Always

      Below 1 Ω

      W2-10 (UP) or W7-24 (UP) - Body ground

      Always

      10 kΩ or higher

      W2-8 (DWN) or W7-25 (DOWN) - Body ground

      Always

      10 kΩ or higher

      W2-7 (OPN) or W7-27 (OPN) - Body ground

      Always

      10 kΩ or higher

      W2-9 (CLS) or W7-28 (CLS) - Body ground

      Always

      10 kΩ or higher

      W2-5 (IG) or W7-23 (IG3) - Body ground

      Always

      10 kΩ or higher

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      W7-8 (IG) - Body ground

      Engine switch off

      Below 1 V

      W7-8 (IG) - Body ground

      Engine switch on (IG)

      11 to 14 V

      Result

      Result

      OK

      NG
    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR