SLIDING ROOF SYSTEM, Diagnostic DTC:B2342

DTC Code DTC Name
B2342 Switch Failure

DESCRIPTION

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

DTC Code DTC Detection Condition Trouble Area
B2342 The sliding roof drive gear sub-assembly detects that the sliding roof switch in the map light assembly 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

A01DPYME01

INSPECTION PROCEDURE

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. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B2342 is output A
      DTC B2342 is not output B

    B

    USE SIMULATION METHOD TO CHECK Click here

    A

  2. READ VALUE USING INTELLIGENT TESTER (SLIDING ROOF)


    1. Using the intelligent tester, read the Data List Click here.

      Sliding Roof
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Open Switch Failure (Past) Slide open switch failure signal (Past) / ON or OFF

      ON: Slide open switch signal failure (Past)

      OFF: No slide open switch signal failure (Past)

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

      ON: Slide close switch signal failure (Past)

      OFF: No slide close switch signal failure (Past)

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

      ON: Tilt up switch signal failure (Past)

      OFF: No tilt up switch signal failure (Past)

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

      ON: Tilt down switch signal failure (Past)

      OFF: No tilt down switch signal failure (Past)

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

      ON: Slide open switch signal failure (Current)

      OFF: No slide open switch signal failure (Current)

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

      ON: Slide close switch signal failure (Current)

      OFF: No slide close switch signal failure (Current)

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

      ON: Tilt up switch signal failure (Current)

      OFF: No tilt up switch signal failure (Current)

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

      ON: Tilt down switch signal failure (Current)

      OFF: No tilt down switch signal failure (Current)

      		 -
      OK
      "OFF" appears on the intelligent tester screen.

    NG

    INSPECT MAP LIGHT ASSEMBLY Click here

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

  3. INSPECT MAP LIGHT ASSEMBLY

    A01DQKIE01
    Text in Illustration
    *a

    Component without harness connected

    (Map Light Assembly)

    1. 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

    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 Ignition switch off Below 1 V
      W7-8 (IG) - Body ground Ignition switch ON 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here