CODE NO. L0830 P/W (AS) SW pulse 1 disconnection
caution | Before replacing the ECU,
ensure that the input and output signal circuits are normal. |
COMMENTS ON TROUBLE SYMPTOM
PROBABLE CAUSES
- Malfunction of the front power window motor (passenger’s
side)
- Malfunction of the front power window sub switch
- Damaged wiring harness and connectors
DIAGNOSTIC PROCEDURE
STEP 1. Connector check: E-05 front power window sub switch connector, E-03 front power window motor (passenger’s side) connector
Q.
Is the check result normal?
STEP 2. Check the wiring harness between the E-05 front power window sub switch connector terminal Nos. 8, 3 and the E-03 front power window motor (passenger’s side) connector terminal Nos. 3, 6.
- Check the input/output lines for open circuit and short circuit.
Q.
Is the check result normal?
STEP 3. Diagnosis code recheck
(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. |