On-Vehicle Service
Windshield Wipers
Front wiper and washer
Wiper motor
• As shown in the figure, use a 12 V battery to connect its (+)
terminal to terminal "A", and its (–) terminal to "Black" lead
wire (2).
If motor (1) rotates at a low revolution speed of 45 to 55 rpm,
it is proper. For high speed check, connect battery (+) termi-
nal to terminal "B", and its (–) terminal to "Black" lead wire
(2). If motor rotates at a high revolution speed of 67 to 83
rpm, it is proper.
• Testing automatic stop action.
a) Connect 12 V battery (+) terminal to terminal "A" of wiper
motor and (–) terminal to Black lead wire (2) and let the
motor turn.
b) Disconnect terminal "A" from battery, and let the motor
stop.
c) Connect terminal "A" and "D" with a jumper wire (3), and
connect terminal "C" to battery (+) terminal. Observe the
motor turns once again then stops at a given position.
d) Repeat a) through c) several times and inspect if the motor
stops at the given position every time.
WINDOWS, MIRRORS, SECURITY AND LOCKS 8D-3