Toyota ST185 Series Repair Manual page 99

SYSTEM OUTLINE
WITH THE IGNITION SW TURNED ON, THE CURRENT FLOWS TO TERMINAL 18 OF THE WIPER AND WASHER SW, TERMINAL 2 OF
THE WASHER MOTOR AND TERMINAL 4 OF THE FRONT WIPER MOTOR THROUGH THE WIPER FUSE.
1. LOW SPEED POSITION
WITH WIPER SW TURNED TO LOW POSITION, THE CURRENT FLOWS FROM TERMINAL 18 OF THE WIPER AND WASHER SW
TERMINAL 7 TERMINAL 2 OF THE FRONT WIPER MOTOR
MOTOR TO RUN AT LOW SPEED.
2. HIGH SPEED POSITION
WITH WIPER SW TURNED TO HIGH POSITION, THE CURRENT FLOWS FROM TERMINAL 18 OF THE WIPER AND WASHER SW
TERMINAL 13 TERMINAL 1 OF THE FRONT WIPER MOTOR
MOTOR TO RUN AT HIGH SPEED.
3. INT POSITION (W/ INT SW)
WITH WIPER SW TURNED TO INT POSITION, THE RELAY OPERATES AND THE CURRENT WHICH IS CONNECTED BY RELAY
FUNCTION FLOWS FROM TERMINAL 18 OF THE WIPER AND WASHER SW
OPERATES THE INTERMITTENT CIRCUIT AND THE CURRENT FLOWS FROM TERMINAL 18 OF THE WIPER AND WASHER SW
TERMINAL 7 TERMINAL 2 OF THE FRONT WIPER MOTOR
THE INTERMITTENT OPERATION IS CONTROLLED BY A CONDENSER'S CHARGED AND DISCHARGED FUNCTION INSTALLED IN
RELAY AND THE INTERMITTENT TIME IS CONTROLLED BY A TIME CONTROL SW TO CHANGE THE CHARGING TIME OF THE
CONDENSER.
4. MIST POSITION (W/ MIST SW)
WITH WIPER SW TURNED TO MIST POSITION, THE CURRENT FLOWS FROM TERMINAL 18 OF THE WIPER AND WASHER SW
TERMINAL 7 TERMINAL 2 OF THE FRONT WIPER MOTOR
MOTOR TO RUN AT LOW SPEED.
5. WASHER CONTINUOUS OPERATION (W/ INT CONTROL)
WITH WASHER SW TURNED TO ON, THE CURRENT FLOWS FROM TERMINAL 2 OF THE WASHER MOTOR
TERMINAL 8 OF THE WIPER AND WASHER SW
AND WINDOW WASHER IS JET. THIS CAUSES THE CURRENT TO FLOW WASHER CONTINUOUS OPERATION CIRCUIT (W/ INT SW) IN
TERMINAL 18 OF THE WIPER AND WASHER SW
MOTOR TO GROUND AND FUNCTION.
SERVICE HINTS
FRONT WIPER AND WASHER SW (W/ WIPER RELAY)
C14
16–GROUND: ALWAYS CONTINUITY
18–GROUND: APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
7–GROUND : APPROX. 12 VOLTS WITH WIPER AND WASHER SW AT LOW POSITION
APPROX. 12 VOLTS EVERY APPROX. 1 TO 10 SECONDS INTERMITTENTLY WITH WIPER SW AT INT POSITION
4–GROUND : APPROX. 12 VOLTS WITH IGNITION SW ON UNLESS WIPER MOTOR AT STOP POSITION
13–GROUND: APPROX. 12 VOLTS WITH IGNITION SW ON AND AFTER WIPER SW OFF UNTIL WIPER MOTOR STOPS
FRONT WIPER MOTOR
F 9
3–4 : CLOSED UNLESS WIPER MOTOR AT STOP POSITION
: PARTS LOCATION
CODE SEE PAGE
C14 26
F 9 25
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE SEE PAGE
1B 18
1H 18
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE SEE PAGE
IE1 30
: GROUND POINTS
CODE SEE PAGE
ID 30
TERMINAL 16
TERMNAL 7
CODE
J 6
W 1
JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
GROUND POINTS LOCATION
LEFT KICK PANEL
FRONT WIPER MOTOR
FRONT WIPER MOTOR
TERMINAL 16
FRONT WIPER MOTOR
FRONT WIPER MOTOR
TO GROUND AND CAUSES TO THE WASHER MOTOR TO RUN.
TERMINAL 2 OF THE FRONT WIPER MOTOR
SEE PAGE
26
25
TO GROUND AND CAUSES TO THE WIPER
TO GROUND AND CAUSES TO THE WIPER
TO GROUND. THIS FLOW OF CURRENT
TO GROUND AND FUNCTIONS.
TO GROUND AND CAUSES TO THE WIPER
CODE
TERMINAL 1
FRONT WIPER
SEE PAGE
101