Check the symptoms of the wiper. Check if the causes of the symptoms are any of the following conditions shown in the charts.

This circuit provides power to operate the windshield wiper switch. The manual operation signals are sent to the windshield wiper ECU.

The windshield wiper ECU receives the HI position signal of the wiper switch to operate the wiper motor at HI speed. Even if the ECU malfunctions, its circuit structure enables it to operate the wiper in HI operation mode.

The windshield wiper ECU controls the wiper motor.

The headlight cleaner control relay detects the low beam headlights status.

The headlight cleaner control relay receives the windshield washer operation signal.

Warm up the engine.

When the wiper switch is in any position other than "OFF" and the blades are frozen, a malfunction is detected by the cowl side junction block LH and the wiper operation is stopped.

Disconnect the E83 and E85 ECU connectors.

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 WIPER / WASHER