Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2002HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISWIPER AND WASHER SYSTEMSDIAGRAMSELECTRICAL DIAGRAMSSERVICE HINTS
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Service Hints
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Service Hints
Front Wiper and Washer
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 front wiper and washer SW at LOW position
: Approx. 12 volts 2 to 11 seconds intermittently with the front wiper and washer SW at INT position
16 - GROUND : Approx. 12 volts with the ignition SW on unless the front wiper motor at STOP position
8 - GROUND : Approx. 12 volts with the front wiper and washer SW at HIGH position
F6 FRONT WIPER MOTOR
2 - 3 : Closed unless the front wiper motor at STOP position
Rear Wiper and Washer
W2 WASHER MOTOR
2 - GROUND : Approx. 12 volts with the ignition SW at ON position
3 - GROUND : Continuity with the rear wiper and washer SW at WASH 1 or WASH 2 position
R18 REAR WIPER MOTOR
1 - GROUND : Approx. 12 volts with the ignition SW at ON position
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 front wiper and washer SW at LOW position
: Approx. 12 volts 2 to 11 seconds intermittently with the front wiper and washer SW at INT position
16 - GROUND : Approx. 12 volts with the ignition SW on unless the front wiper motor at STOP position
8 - GROUND : Approx. 12 volts with the front wiper and washer SW at HIGH position
F6 FRONT WIPER MOTOR
2 - 3 : Closed unless the front wiper motor at STOP position
Rear Wiper and Washer
W2 WASHER MOTOR
2 - GROUND : Approx. 12 volts with the ignition SW at ON position
3 - GROUND : Continuity with the rear wiper and washer SW at WASH 1 or WASH 2 position
R18 REAR WIPER MOTOR
1 - GROUND : Approx. 12 volts with the ignition SW at ON position
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.