Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 22 systemci 026fww
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FRONT WIPER AND WASHER
FROM POWER SOURCE SYSTEM (SEE PAGE 52)
25A
WIPER
C14
FRONT WIPER AND WASHER SW
[COMB. SW]
WF EW
5 1C 1 1A
WASHER SW OFF
WIPER SW
ON
L- O
2 1
WF 11 L- B L- B 1 2 L- O
HIGH
LOW
OFF
IK5 M IK5
INT
F5
FRONT WASHER
EW 2 MOTOR
B1
W- B
INT2
L
INT1
+S 16 L- Y
+S
+1 7 L- W
+1
+2 8 L- O
+2
+B 17 L L
+B
I7
W- B
L- W
L- O
L- Y
L
4 5 2 3
+2 +1 S B
A B
M
J2 A , J3 B
JUNCTION
CONNECTOR
A A
W- B 1 E
F6
FRONT WIPER MOTOR
W- B
W- B
IJ IG
2001 SIENNA (EWD420U)
110
SYSTEM OUTLINE
With the ignition SW turned on, the current flows to TERMINAL 17 of the front wiper and washer SW, TERMINAL 2 of the
front washer motor and TERMINAL 3 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 17 of the front wiper and washer SW to
TERMINAL 7 to TERMINAL 5 of the front wiper motor to wiper motor to TERMINAL 1 to GROUND and causes the front
wiper motor to run at low speed.
2. HIGH SPEED POSITION
With wiper SW turned to HIGH position, the current flows from TERMINAL 17 of the front wiper and washer SW to
TERMINAL 8 to TERMINAL 4 of the front wiper motor to wiper motor to TERMINAL 1 to GROUND and causes the front
wiper motor to run at high speed.
3. INT POSITION
With wiper SW turned to INT position, the relay operates and the current which is connected by relay function flows from
TERMINAL 17 of the front wiper and washer SW to TERMINAL 2 to GROUND. This flow of current operates the intermittent
circuit and the current flows from TERMINAL 17 of the front wiper and washer SW to TERMINAL 7 to TERMINAL 5 of the
front wiper motor to wiper motor to TERMINAL 1 to GROUND and operates the wiper.
The intermittent operation is controlled by the charge/discharge function of the condenser installed in the relay and the
intermittent time is controlled by a time control SW which changes the charging time of the condenser.
4. WASHER CONTINUOUS OPERATION
With washer SW turned to on, the current flows from TERMINAL 2 of the front washer motor to TERMINAL 1 to TERMINAL
11 of the front wiper and washer SW to TERMINAL 2 to GROUND and causes to the front washer motor to run. And the
window washer emits a water spray. This causes the current to flow to washer continuous operation circuit in TERMINAL 17
of the front wiper and washer SW to TERMINAL 7 to TERMINAL 5 of the front wiper motor to wiper motor to TERMINAL 1 to
GROUND and operates the wiper.
SERVICE HINTS
C14 FRONT WIPER AND WASHER SW [COMB. SW]
2-GROUND : Always continuity
17-GROUND : Approx. 12 volts with the ignition SW at ON position
7-GROUND : Approx. 12 volts with the wiper and washer SW at LOW position
Approx. 12 volts 2 to 12 seconds intermittently with the wiper and washer SW at INT position
16-GROUND : Approx. 12 volts with the ignition SW on unless the wiper motor at STOP position
8-GROUND : Approx. 12 volts with the wiper and washer SW at HIGH position
F6 FRONT WIPER MOTOR
3-2 : Closed unless the wiper motor at STOP position
: PARTS LOCATION
Code See Page Code See Page Code See Page
C14 34 F6 32 J3 B 35
F5 32 J2 A 35
,,, : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
,,,
,,,
Code See Page Junction Block and Wire Harness (Connector Location)
1A
22 Cowl Wire and Driver Side J/B No.1 (Lower Finish Panel)
No 1
1C
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IK5 44 Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
: GROUND POINTS
Code See Page Ground Points Location
IG 42 Left Cowl Side Panel
IJ 42 Right Cowl Side Panel
2001 SIENNA (EWD420U)
111
FRONT WIPER AND WASHER
: SPLICE POINTS
Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points
I7 44 Cowl Wire
2001 SIENNA (EWD420U)
112
MEMO
2001 SIENNA (EWD420U)
113
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