ROOF SUNSHADE SYSTEM, Diagnostic DTC:B2343

DTC Code DTC Name
B2343 Position Initialization Incomplete

DESCRIPTION

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

DTC Code

DTC Detection Condition

Trouble Area

B2343

The sliding roof drive gear has not been initialized.

  • Sliding roof drive gear sub-assembly

  • Map light assembly (Roof sunshade switch)

  • Harness or connector

WIRING DIAGRAM

B216627E03

PROCEDURE

  1. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

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

      OK

      Sliding roof drive gear can be initialized.

    INSPECT MAP LIGHT ASSEMBLY (ROOF SUNSHADE SWITCH)Click here

  2. CHECK FOR DTC

    1. Clear the DTCs (Click here).

    2. Check for DTCs (Click here).

      OK

      DTC B2343 is not output.

    END

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

  3. INSPECT MAP LIGHT ASSEMBLY (ROOF SUNSHADE SWITCH)

    1. E270005E03

      Remove the map light (Click hereClick here).

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

      Standard Resistance

      Tester Connection

      Switch Condition

      Specified Condition

      11 (UP) - 2 (GND)

      Open switch is pressed

      Below 1 Ω

      11 (UP) - 2 (GND)

      Open switch is not pressed

      10 kΩ or higher

      12 (DOWN) - 2 (GND)

      Close switch is pressed

      Below 1 Ω

      12 (DOWN) - 2 (GND)

      Close switch is not pressed

      10 kΩ or higher

    REPLACE MAP LIGHT ASSEMBLY

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - MAP LIGHT ASSEMBLY)

    1. U122568E02

      Disconnect the z3 sliding roof drive gear connector.

    2. Disconnect the Q10 map light connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      z3-7 - Q10-11 (UP)

      Always

      Below 1 Ω

      z3-9 - Q10-12 (DOWN)

      Always

      Below 1 Ω

      Q7-1 (GND) - Body ground

      Always

      Below 1 Ω

      z3-2 - Body ground

      Always

      Below 1 Ω

      z3-7 or Q10-11 (UP) - Body ground

      Always

      10 kΩ or higher

      z3-9 or Q10-12 (DOWN) - Body ground

      Always

      10 kΩ or higher

      Table 1. Text in Illustration

      *1

      Front view of wire harness connector

      (to Sliding Roof Drive Gear)

      *2

      Front view of wire harness connector

      (to Map Light)

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

    REPAIR OR REPLACE HARNESS OR CONNECTOR