The windshield wiper and washer are controlled by the smart wiring system (SWS). For troubleshooting, refer to GROUP 54B, Troubleshooting 
or GROUP 54C, Troubleshooting or GROUP 54D, Troubleshooting or GROUP 54E, Troubleshooting .
or GROUP 54C, Troubleshooting or GROUP 54D, Troubleshooting or GROUP 54E, Troubleshooting .NOTE: Even when the ETACS-ECU has failed, the windshield wiper can work at low speed in fail-safe mode. (Normally, the windshield wiper operates when the ignition switch is at the "ACC" or "ON" position. But, if it enters the fail-safe mode, the wiper can operate only when the ignition switch is at the "ON" position.)