SLIDING ROOF SYSTEM, Diagnostic DTC:B2342

DTC Code DTC Name
B2342 Switch Failure

DESCRIPTION

This DTC is output when the sliding roof drive gear sub-assembly (sliding roof ECU) detects that the map light assembly (sliding roof switch) is stuck for 30 seconds or more.

DTC Code DTC Detection Condition Trouble Area
B2342 Sliding roof drive gear sub-assembly (sliding roof ECU) detects sliding roof switch is stuck for 30 seconds or more.

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

  • Map light assembly (Sliding roof switch)

  • Harness or connector

WIRING DIAGRAM

Refer to DTC B2341 Click here.

INSPECTION PROCEDURE

Note

When the sliding roof drive gear sub-assembly (sliding roof ECU) is removed and reinstalled or replaced, it requires initialization Click here.

PROCEDURE


  1. READ VALUE USING GTS (SLIDING ROOF SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Sliding Roof / Data List.

    5. Read the Data List according to the display on the GTS.

      Sliding Roof (Sliding Roof Drive Gear Sub-assembly [Sliding Roof ECU])
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Open Switch Failure(Past) Open switch failure signal (Past) / ON or OFF

      ON: Sliding roof open signal failure (Past)

      OFF: Sliding roof open signal not fail (Past)

      		 -
      Close Switch Failure(Past) Close switch failure signal (Past) / ON or OFF

      ON: Sliding roof close signal failure (Past)

      OFF: Sliding roof close signal not fail (Past)

      		 -
      Up Switch Failure(Past) Up switch failure signal (Past) / ON or OFF

      ON: Sliding roof tilt up signal failure (Past)

      OFF: Sliding roof tilt up signal not fail (Past)

      		 -
      Down Switch Failure(Past) Down switch failure signal (Past) / ON or OFF

      ON: Sliding roof tilt down signal failure (Past)

      OFF: Sliding roof tilt down signal not fail (Past)

      		 -
      Open Switch Failure(Current) Open switch failure signal (Current) / ON or OFF

      ON: Sliding roof open signal failure (Current)

      OFF: Sliding roof open signal not fail (Current)

      		 -
      Close Switch Failure(Current) Close switch failure signal (Current) / ON or OFF

      ON: Sliding roof close signal failure (Current)

      OFF: Sliding roof close signal not fail (Current)

      		 -
      Up Switch Failure(Current) Up switch failure signal (Current) / ON or OFF

      ON: Sliding roof tilt up signal failure (Current)

      OFF: Sliding roof tilt up signal not fail (Current)

      		 -
      Down Switch Failure(Current) Down switch failure signal (Current) / ON or OFF

      ON: Sliding roof tilt down signal failure (Current)

      OFF: Sliding roof tilt down signal not fail (Current)

      		 -
      OK
      "OFF" appears on the GTS screen.

    NG

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

    OK

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

  2. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - BODY GROUND)


    1. A01FE7ME04
      Text in Illustration
      *a

      Front vie of wire harness connector

      (to Sliding Roof Drive Gear Sub-assembly [Sliding Roof ECU])

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Y4-7 (OPN) - Body ground Always 10 kΩ or higher
      Y4-6 (DWN) - Body ground Always 10 kΩ or higher
      Y4-5 (CLS) - Body ground Always 10 kΩ or higher
      Y4-4 (UP) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)


    1. A01FH60E05
      Text in Illustration
      *a

      Component without 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
      15 (DOWN) - 10 (GND) TILT DOWN switch is pressed Below 1 Ω
      15 (DOWN) - 10 (GND) TILT DOWN switch is not pressed 10 kΩ or higher
      1 (UP) - 10 (GND) TILT UP switch is pressed Below 1 Ω
      1 (UP) - 10 (GND) TILT UP switch is not pressed 10 kΩ or higher
      2 (CLS) - 10 (GND) SLIDE CLOSE switch is pressed Below 1 Ω
      2 (CLS) - 10 (GND) SLIDE CLOSE switch is not pressed 10 kΩ or higher
      16 (OPN) - 10 (GND) SLIDE OPEN switch is pressed Below 1 Ω
      16 (OPN) - 10 (GND) SLIDE OPEN 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