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.
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COMMENTS ON TROUBLE SYMPTOM
- If the power window main switch information signals cannot be read, power
window main switch sets the diagnostic trouble code No. L0746.
- If the driver’s door window glass position cannot be read, power window
main switch sets the diagnostic trouble code No. L0750.
PROBABLE CAUSES
- Malfunction of the power window main switch
DIAGNOSTIC PROCEDURE
Diagnosis code recheck
Recheck if the diagnosis code is set.
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(1)Erase the diagnosis code.
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(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.
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(3)Check if the diagnosis code is set.
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Q.
Is the diagnosis code set?
Replace the power window main switch.
The diagnosis is complete.