L0734

CODE NO. L0734: P/W (DR) Above window position

CAUTION:
Before replacing the ECU, ensure that the input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If the driver's door window glass exceeds the fully closed position, power window main switch sets the diagnostic trouble code No. L0734.

PROBABLE CAUSES

- Malfunction of the front power window motor (LH)
- Malfunction of the power window main switch

DIAGNOSTIC PROCEDURE

STEP 1. Check the power window fully closed position

(1)Carry out the learning procedures of the power window fully closed position. Refer to Programming and Relearning.

(2)Recheck if the diagnostic trouble code is set.

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Erase the diagnostic trouble code.

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Press the driver's door window switch (on the power window main switch) down to open the window, and pull up the driver's door window switch to fully close the window.

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Check if the diagnostic trouble code is set.

Q. Is the check result normal?

YES The procedure is complete.
NO Go to Step 2.
STEP 2. Diagnostic trouble code recheck

Replace the front power window motor (LH). Recheck if the diagnostic trouble code is set.

(1)Erase the diagnostic trouble code.

(2)Press the driver's door window switch (on the power window main switch) down to open the window, and pull up the driver's door window switch to fully close the window.

(3)Check if the diagnostic trouble code is set.

Q. Is the diagnostic trouble code set?

YES Replace the power window main switch.
NO The procedure is complete. Verify that the power window works normally.