Code No.1004: P/W (DR) Sensor fail (earth) <LH drive vehicles>


caution Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.


COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of the front power window motor (LH)
  • Malfunction of the power window main switch
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. Connector check: E-03 power window main switch connector and E-18 front power window motor (LH) connector

Q. Is the check result normal?

Go to Step 2.

Repair the connector.

STEP 2. Check the wiring harness between E-03 power window main switch connector terminal No. 12 and E-18 front power window motor (LH) connector terminal No. 5.


  • Check the power supply line for open or short circuit.

Q. Is the check result normal?

Go to Step 3.

Repair the wiring harness.

STEP 3. Check whether the diagnosis code is reset.
(1)Replace the front power window motor (LH).
(2)Check that diagnosis code is not reset.

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