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Confirm the diagnosis code is set from the ASC-ECU.
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Q.
Is the check result normal?
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Perform troubleshooting of the ASC-ECU (Refer to GROUP 35C - Troubleshooting - Diagnosis Code Chart ).
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- Item 30: Brake lamp switch
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OK: ON (depress the brake pedal), OFF (release the brake pedal)
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Q.
Is the diagnosis code set?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions).
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- Check the ETACS-ECU service data (Refer to GROUP 54A - ETACS - Data List Reference Table).
- Item 290: Stop lamp switch
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OK: ON (depress the brake pedal), OFF (release the brake pedal)
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Q.
Is the diagnosis code set?
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Check stop lamp switch (Refer to GROUP 35A - Brake Pedal - Stop Lamp Switch Check).
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Q.
Is the diagnosis code set?
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Check if the circuits related to the stop lamp switch are normal.
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Replace the AS&G OFF switch.
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- Reconfirmation of diagnosis code.
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Confirm again the diagnosis code is set from the AS&G-ECU.
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- Erase the set diagnosis code.
- Ignition switch: "LOCK" (OFF) → "ON"
- Confirm whether the diagnosis code is set.
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Q.
Is the diagnosis code set?
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