Prius L4-1.5L (1NZ-FXE) (Hybrid) (2003)
Wiper Relay: Testing and Inspection
INSPECT FRONT WIPER INTERMITTENT OPERATION
a. Turn the wiper switch to INT position.
b. Turn the intermittent time control switch to FAST position.
c. Connect the positive (+) lead from the battery to terminal 16 and the negative (-) lead to terminal 2.
d. Connect the positive (+) lead from the voltmeter to terminal 7 and the negative (-) lead to terminal 2, check that the meter needle indicates battery
voltage.
e. After connecting terminal 16 to terminal 17, connect to terminal 2 to terminal 17, check the voltage rises from 0 volts to battery voltage within the
times, as shown in the table.
If operation is not as specified, replace the wiper and washer switch.