Toyota Celica Supra 1986 Service And Repair Manual page 569

BODY ELECT RICAL SYSTEM - Headlight Cleaner
BE-21
HEADLIGHT CLEANER
Headlight Cleaner Control Relay
ON -VEHICLE INSPECTION OF HEADLIGHT
CLEANER CONTROL RELAY
INSPECT RELAY OPERATION
(a) Check that there is continuity between terminal 2
and body ground with the washer switch "ON".
(b) Check that there is battery voltage between terminal
3 and body ground with the light control switch at
"TAIL" or "HEAD".
(c) Check that there is continuity between terminal 5
and body ground for about 0.5 seconds when the
light control switch is at " TAIL" o r " HEAD" and the
washer switch is pushed twice in wccession.
If operation is not as specified, replace the relay.
Cleaner Motor
INSPECTION OF CLEANER MOTOR
INSPECT MOTOR OPERAT ION
(a} Connect the positive
(+)
lead from the battery to
terminal
1.
Connect the negative (-) lead to terminal
2.
(b) Check that the motor operates.
L-----------~~·!:!.1 ••
CAUTION: These tests must be performed quickly
(within 3 - 5 seconds) to prevent the coil from burning
out.
If operation is not as specified, replace the motor.