Toyota Land Cruiser 1988 Repair Manual page 309

BE-4 BODY ELECTRICAL SYSTEM- Rear Wiper and Washer
about 1 second
BE2067
Rear Wiper Control Relay
INSPECT RELAY OPERATION
(a) With terminal 1 connected to the battery position
( +) terminals. Check that there is a relay operation
noise when terminal 4 is connected to the battery
negative (-) terminal.
(b) Connect terminal 2 to the battery positive ( +) ter-
minal.
(c) Check that there is a relay operation noise when
changing terminal 2 to the battery negative (-) ter-
minal and another operation noise 3 to 5 seconds
later.
If operation is not as specified, replace the relay.
Rear Washer Motor
Connect the positive ( +) lead from the battery to termi-
nal 2 and the negative (-) lead to terminal 1, check that
the motor operation.
CAUTION: These tests must be performed
quickly (within 20 seconds) to prevent the coil
from burning out.
If operation is not as specified, replace the motor.