LX 450 L6-4.5L (1FZ-FE) (1996)
Wiper Relay: Testing and Inspection
1.
Inspect rear wiper relay operation as follows:
a. Ensure no continuity exists between terminals 1 and 3.
b. Continuity should exist between terminals 2 and 3.
c. If continuity is not as indicated, replace relay.
d. Connect positive battery lead to terminal 1 and negative to terminal 6.
e. Connect voltmeter positive lead to terminal 2 and negative to terminal 6, ensure meter indicates zero volts.
f.
Connect voltmeter positive lead to terminal 3 and negative to terminal 6, ensure meter indicates battery voltage volts.
g. Connect positive battery lead to terminal 2 and negative to terminal 4.
h. Connect voltmeter positive lead to terminal 3 and negative to terminal 4.
i.
Disconnect positive lead from terminal 2, then connect to terminal 1, ensure meter needle rises from zero volts to battery voltage within 6-10
seconds.
j.
If operation is not as indicated, replace relay.