Code No.U0215 P/W SW (DR) LIN timeout


caution Before replacing the ECU, ensure that the communication circuit is normal.












JUDGMENT CRITERIA



PROBABLE CAUSES



  • Faulty power window main switch
  • Malfunction of the LIN bus

DIAGNOSIS PROCEDURE

STEP 1. Connector check: C-301 ETACS-ECU connector, E-18 power window main switch connector

Q. Is the check result normal?
Go to Step 2.
Repair the defective connector.

STEP 2. Check the wiring harness wires between C-301 ETACS-ECU connector terminal No. 1 and E-18 power window main switch connector terminal No. 4.
note Prior to the wiring harness inspection, check C-129 intermediate connector, and repair if necessary.
Check the communication lines for open circuit.

Q. Is the check result normal?
Go to Step 3.
Repair the wiring harness.

STEP 3. Check whether the diagnosis code is reset.
Check again if the diagnosis code is set to the ETACS-ECU.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3)Check if diagnosis code is set.

Q. Is the diagnosis code set?
Replace the power window main switch.
A poor connection, open circuit, or other intermittent malfunctions in the LIN bus lines between the power window main switch and the ETACS-ECU (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).