Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 44 systemci 034rww
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Rear Wiper and Washer
From Power Source System (See Page 58)
15A 20A
RR WSH
WIP
C12
Combination SW
2 1P 20 1C
Washer
L- O
L
Rear Washer SW
Rear Wiper SW
OFF
INT
Rear Washer Motor
ON
1
Washer
+ON
M
R1
12 10 13 2
2
W- B
L- W
L- W
L- O
L- R
J13(A), J14(B)
J 3(A), J 4(B)
32 A 13 A 12 A
Connector
Connector
Junction
Junction
15 B 29 B 28 B
L- W
L- O
L- R
L
4 BE1 3 BE1
L- O
L- R
1 BG1 16 BG1 7 BG1
L
L- O
L- R
1 3 2
+B LS C1
W- B
M
Rear Wiper Motor Rear Wiper Relay
R33
Rear Wiper Motor and Relay IE
160
2005 SIENNA (EWD613U)
System Outline
When the ignition SW is turned on, the current flows from the WSH fuse to rear washer motor TERMINAL 1, and the current
flows from the RR WIP fuse to rear wiper motor and relay TERMINAL 1 respectively.
1. Rear Wiper Normal Operation
When the ignition SW is turned on, and the rear wiper and washer SW is turned to ON position, the current flows from the
rear wiper motor and relay TERMINAL 1 to TERMINAL 3 to the rear wiper and washer SW TERMINAL 10 to TERMINAL 2 to
GROUND, and turns on the rear wiper relay. As a result, the current flows from the rear wiper motor and relay TERMINAL 1
to the rear wiper motor to GROUND, and operates the rear wiper.
2. Rear Wiper Intermittent Operation
When the ignition SW is turned on, and the rear wiper and washer SW is turned to INT position, the current flows from the
rear wiper motor and relay TERMINAL 1 to TERMINAL 2 to the rear wiper and washer SW TERMINAL 13 to TERMINAL 2 to
GROUND, and the intermittent circuit in the rear wiper relay is controlled to operate the wiper intermittently.
3. Washer Operation
When the ignition SW is turned on, and the rear wiper and washer SW is turned from OFF to washer position, the current
flows from the WSH fuse to the rear washer motor TERMINAL 1 to TERMINAL 2 to the rear wiper and washer SW
TERMINAL 12 to TERMINAL 2 to GROUND. This activates the washer motor, and the window washer emits a water spray.
When the rear wiper and washer SW is turned to ON position, the window washer emits a water spray during rear wiper
normal operation.
Service Hints
R1 Rear Washer Motor
1-Ground : Approx. 12 volts with the ignition SW at ON position
R33 Rear Wiper Motor and Relay
1-Ground : Approx. 12 volts with the ignition SW at ON position
: Parts Location
Code See Page Code See Page Code See Page
C12 35 J13 A 36 R33 40
J3 A 36 J14 B 36
J4 B 36 R1 33
: Junction Block and Wire Harness Connector
Code See Page Junction Block and Wire Harness (Connector Location)
1C 27 Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
1P 27 Floor No.1 Wire and Driver Side J/B (Lower Finish Panel)
: Connector Joining Wire Harness and Wire Harness
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
BE1 50 Floor No.1 Wire and Floor No.1 Wire (Left Rear Quarter Panel)
BG1 52 Back Door No.1 Wire and Floor No.1 Wire (Left Rear Quarter Panel)
: Ground Points
Code See Page Ground Points Location
IE 46 Left Kick Panel
161
2005 SIENNA (EWD613U)
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