ROOF SUNSHADE SYSTEM Roof Sunshade does not Move by Operating Roof Sunshade Switch

DTC Code DTC Name
Roof Sunshade does not Move by Operating Roof Sunshade Switch

DESCRIPTION

The roof sunshade ECU (sliding roof drive gear assembly) receives switch signals and drives its built-in motor.

WIRING DIAGRAM

B330379E02

CAUTION / NOTICE / HINT

Note:

  • Inspect the fuses for circuits related to this system before performing the following procedure.

  • When the roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, it requires initialization.

    Click here

  • The roof sunshade system uses the LIN communication system. First, confirm that there are no malfunctions in the LIN communication system. Refer to the How to Proceed with Troubleshooting procedure.

    Click here

  • When a roof sunshade ECU (sliding roof drive gear assembly) DTC is output, first perform troubleshooting for the roof sunshade ECU (sliding roof drive gear assembly) DTC.

PROCEDURE

  1. READ VALUE USING GTS

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    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.

      Body Electrical > Sliding Roof > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Open Switch

      Open switch signal

      ON or OFF

      ON: Open switch pressed

      OFF: Open switch not pressed

      -

      Close Switch

      Close switch signal

      ON or OFF

      ON: Close switch pressed

      OFF: Close switch not pressed

      -

      Body Electrical > Sliding Roof > Data List

      Tester Display

      Open Switch

      Close Switch

      OK

      The GTS display changes according to switch operation as shown in the table.

    Result

    Proceed to

    OK

    NG
    NG

    INSPECT ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY)Click here

    OK

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

    1. Disconnect the a1 roof sunshade ECU (sliding roof drive gear assembly) connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      a1-8 (B) - Body ground

      Always

      11 to 14 V

      a1-1 (IG) - Body ground

      Ignition switch ON

      11 to 14 V

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      a1-12 (E) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. INSPECT ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY)

    1. B319626C01

      *a

      Component without harness connected

      (Roof Sunshade Switch (Map Light Assembly))

      Remove the roof sunshade switch (map light assembly).

      Click here

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      12 (OPN) - 11 (GND)

      Open switch is pressed

      Below 1 Ω

      12 (OPN) - 11 (GND)

      Open switch is not pressed

      10 kΩ or higher

      13 (CLS) - 11 (GND)

      Close switch is pressed

      Below 1 Ω

      13 (CLS) - 11 (GND)

      Close switch is not pressed

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY)

    Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY) AND BODY GROUND)

    1. Disconnect the O8 roof sunshade switch (map light assembly) connector.

    2. Disconnect the a1 roof sunshade ECU (sliding roof drive gear assembly) connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      a1-5 (CLOSE) - O8-13 (CLS)

      Always

      Below 1 Ω

      a1-5 (CLOSE) - Body ground

      Always

      10 kΩ or higher

      a1-7 (OPEN) - O8-12 (OPN)

      Always

      Below 1 Ω

      a1-7 (OPEN) - Body ground

      Always

      10 kΩ or higher

      O8-11 (GND) - Body ground

      Always

      Below 1 Ω

      a1-12 (E) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR