INTERMITTNET Time Of Wiper Cannot Be Adjusted

Check intermittent wiper volume circuit. Turn ignition switch OFF. Connect ohmmeter between terminals 16 and 2 of TCU harness connector. Resistance should be approximately 15 Ohms at "<<<" position and 1.8k Ohms at "<" position. If resistance is as specified, replace TCU. If resistance is not as specified, check harness between TCU and wiper volume switch. If harness is okay, replace wiper switch.