Toyota SV25 Automobile User Manual


 
101
WHEN THE IGNITION SW IS TURNED ON, CURRENT FLOWS THROUGH THE WIPER FUSE TO TERMINAL 1 OF THE REAR WIPER
RELAY, TERMINAL +B OF THE REAR WIPER MOTOR AND TERMINAL 2 OF THE REAR WASHER MOTOR.
1. REAR WIPER OPERATION
WHEN THE IGNITION SW IS ON AND THE REAR WIPER AND WASHER SW IS TURNED TO THE INT POSITION, THE CURRENT
FLOWING TO TERMINAL 1 OF THE REAR WIPER RELAY FLOWS TO TERMINAL 4 OF RELAY TERMINAL 7 OF REAR WIPER AND
WASHER SW TERMINAL 8 GROUND, CAUSING THE RELAY INTERMITTENT CIRCUIT TO OPERATE SO THAT THE CURRENT
FLOWING TO TERMINAL 1 OF THE RELAY FLOWS TO TERMINAL 3 TERMINAL L OF REAR WIPER MOTOR GROUND. THIS
CAUSES THE WIPER MOTOR TO OPERATE THE WIPER.
2. WASHER OPERATION (WIPER OFF)
WHEN THE WASHER SW IS PUSHED WITH THE IGNITION SW ON AND THE WIPER OFF, THE CURRENT FLOWING TO TERMINAL 2 OF
THE REAR WASHER MOTOR FLOWS TO TERMINAL 1 OF THE MOTOR TERMINAL 5 OF REAR WIPER AND WASHER SW
TERMINAL 8 GROUND, AND THE WASHER SPRAYS ONLY WHILE THE SW IS PUSHED. THIS CURRENT FLOW CAUSES THE
CURRENT FLOWING TO TERMINAL 1 OF REAR WIPER RELAY TO FLOW TO TERMINAL 6 TERMINAL 5 OF WIPER AND WASHER SW
TERMINAL 8 GROUND, CAUSING THE CONTINUOUS OPERATION CIRCUIT OF THE RELAY TO OPERATE. ACCORDINGLY, THE
CURRENT FLOWING TO TERMINAL 1 OF THE RELAY FLOWS TO TERMINAL 3 OF RELAY TERMINAL L OF WIPER MOTOR
GROUND, CAUSING THE WIPER TO OPERATE CONTINUOUSLY. THE WIPER CONTINUES TO OPERATE FOR APPROX. 3 SECS. AFTER
THE WASHER SW IS TURNED OFF.
3. WASHER OPERATION (WIPER ON)
WHEN THE WIPER AND WASHER SW IS PUSHED MORE STRONGLY DURING WIPER OPERATION, THE CURRENT FLOWING TO
TERMINAL 2 OF THE WASHER MOTOR FLOWS TO TERMINAL 1 TERMINAL 5 OF WIPER AND WASHER SW TERMINAL 8
GROUND, SO THE WASHER SPRAYS ONLY WHILE THE SW IS PRESSED. THIS CURRENT FLOW CAUSES THE CURRENT FLOWING
TO TERMINAL 1 OF RELAY TO FLOW TO TERMINAL 6 TERMINAL 5 OF WIPER AND WASHER SW TERMINAL 8 GROUND,
CAUSING THE CONTINUOUS OPERATION SWITCH OF THE RELAY TO OPERATE. THE CURRENT FLOWING TO TERMINAL 1 OF RELAY
THEN FLOWS TO TERMINAL 3 OF RELAY TERMINAL L OF WIPER MOTOR GROUND, CAUSING THE WIPER TO OPERATE
CONTINUOUSLY. THE WIPER CONTINUES TO OPERATE FOR APPROX. 3 SECS. AFTER THE WASHER SW IS TURNED OFF.
(A) REAR WASHER MOTOR
2–GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
1–GROUND : CONTINUITY WITH WASHER SW TURNED ON
REAR WIPER RELAY
1–GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
5–GROUND : ALWAYS CONTINUITY
1–3 : POINTS CHANGES EVERY 12 SECONDS INTERMITTENTLY WITH IGNTION SW ON AND WIPER SW AT INT POSITION
: PARTS LOCATION
CODE SEE PAGE CODE SEE PAGE CODE SEE PAGE
A R3 24 (2VZ–FE), 25 (3S–FE) C D15 28
B R7 28 D R20 27
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE SEE PAGE JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B 18 ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1F
18
COWL SUB WIRE AND J/B NO 1 (LEFT KICK PANEL)
1G
18 COWL SUB WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1I 18 COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
3C 22 INSTRUMENT PANEL WIRE AND J/B NO. 3 (INSTRUMENT PANEL LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE SEE PAGE JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
F1
34
INSTRUMENT PANEL WIRE AND COWL SUB WIRE (LEFT KICK PANEL)
F2
34 INSTRUMENT PANEL WIRE AND COWL SUB WIRE (LEFT KICK PANEL)
G1 34 FLOOR NO. 1 WIRE AND COWL WIRE (LEFT KICK PANEL)
H1 34 FLOOR NO. 1 WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
W3 38 BACK DOOR NO. 1 WIRE AND FLOOR NO. 1 WIRE (BACK PANEL LEFT)
Y3 38 BACK DOOR NO. 1 WIRE AND BACK DOOR NO. 2 WIRE (BACK DOOR LEFT)
: GROUND POINTS
CODE SEE PAGE GROUND POINTS LOCATION
D 34 J/B NO. 1 SET BOLT
SYSTEM OUTLINE
SERVICE HINTS