Inspection Procedure 2: The windshield wipers do not work when the wiper switch is at the "INT", "Washer" or "Mist" position. However, the wipers work at low speed when the switch is at the "Lo" and "Hi" position.

caution

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

It is assumed that the windshield wipers are at fail-safe mode due to a failure of the LIN bus lines.

DIAGNOSIS PROCEDURE

Check if an ETACS-related diagnosis code is set.

	Diagnose the ETACS. (Refer to GROUP 54A - ETACS, Trouble Symptom Chart .)

	Go to step 2.

Check that the windshield wipers work normally.

	Intermittent malfunction. Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points, - How to Cope with Intermittent Malfunctions .)

	Replace the ETACS-ECU.