CODE NO. L0746 P/W (DR) Parameter read fail
CODE NO. L0750 P/W (DR) Position read fail


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

COMMENTS ON TROUBLE SYMPTOM

  • If the power window main switch information cannot be read, power window main switch sets the diagnosis code No. L0746.
  • If the driver’s door window glass position cannot be read, power window main switch sets the diagnosis code No. L0750.

PROBABLE CAUSES

  • Malfunction of the power window main switch

DIAGNOSTIC PROCEDURE

Diagnosis code recheck
Recheck if the diagnosis code is set.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?
Replace the power window main switch.
The diagnosis is complete.