Mist Position - Toyota Tundra 2003 Electrical Wiring Diagram

SYSTEM OUTLINE
With the ignition SW turned on, current flows to TERMINAL 17 of the wiper and washer SW, TERMINAL 3 of the washer
motor and TERMINAL 2 of the wiper motor through the WIP fuse.
1. LOW SPEED POSITION
With wiper SW turned to LOW position, current flows from TERMINAL 17 of the wiper and washer SW to TERMINAL 7 to
TERMINAL 5 of the wiper motor to TERMINAL 4 to GROUND and causes the wiper motor to run at low speed.
2. HIGH SPEED POSITION
With wiper SW turned to HIGH position, current flows from TERMINAL 17 of the wiper and washer SW to TERMINAL 8 to
TERMINAL 3 of the wiper motor to TERMINAL 4 to GROUND and causes the motor to run at high speed.

3. MIST POSITION

With the wiper SW turned to MIST position, current flows from TERMINAL 17 of the wiper and washer SW to TERMINAL 7 to
TERMINAL 5 of the wiper motor to TERMINAL 4 to GROUND and causes the wiper motor to run at low speed.
4. WASHER INTERLOCKING OPERATION
With the washer SW turned to on, current flows from TERMINAL 3 of the washer motor to TERMINAL 4 to TERMINAL 11 of
the wiper and washer SW to TERMINAL 2 to GROUND and causes to the washer motor to run, and the window washer is
jetted.
SERVICE HINTS
C17 WIPER AND WASHER SW [COMB. SW]
2–GROUND : Always continuity
17–GROUND : Approx. 12 volts with ignition SW at ON position
7–GROUND : Approx. 12 volts with wiper and washer SW at LOW or MIST position
16–GROUND : Approx. 12 volts with ignition SW on unless wiper motor at STOP position
8–GROUND : Approx. 12 volts with ignition SW on and wiper and washer SW at HIGH position
11–GROUND : Continuity with washer SW on
W4 WIPER MOTOR
1–2 : Closed unless wiper motor at STOP position
: PARTS LOCATION
Code See Page
C11 34
C17 34
J3 35
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
Code See Page
22 (*2)
1E 1E
26 (*1)
22 (*2)
1F 1F
26 (*1)
22 (*2)
1G 1G
26 (*1)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page
IA4 44
: GROUND POINTS
Code See Page
40 (2UZ–FE)
EA EA
42 (5VZ–FE)
IF 44
II 44
* 1 : w/ Daytime Running Light
Code
J13
W2 W2
Junction Block and Wire Harness (Connector Location)
Engine Room Main Wire and Driver Side J/B (Lower Finish Panel) Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
Cowl Wire and Driver Side J/B (Lower Finish Panel) Cowl Wire and Driver Side J/B (Lower Finish Panel)
Joining Wire Harness and Wire Harness (Connector Location)
Engine Room Main Wire and Cowl Wire (Left Kick Panel)
Ground Points Location
Front Left Fender Front Left Fender
Left Kick Panel
Right Kick Panel
* 2 : w/o Daytime Running Light
2003 TOYOTA TUNDRA (EWD491U)
See Page
35
31 (2UZ–FE)
33 (5VZ–FE)
* 3 : Bench Seat
Code
31 (2UZ–FE)
W4 W4
33 (5VZ–FE)
* 4 : Separate Seat, Captain Seat (w/o Power Seat)
See Page
225