Toyota Highlander Service Manual: On-vehicle inspection
1. FRONT WASHER MOTOR
(a) Operation Check
- Fill the washer jar with the washer fluid.
- Connect the positive battery (+) lead to terminal 1 of the windshield washer motor and pump assy, and the negative battery (-) lead to terminal 2. Check that washer fluid flows from the washer jar.
2. REAR WASHER MOTOR
(a) Operation Check
- Fill the washer jar with the washer fluid.
- Connect the positive battery (+) lead to terminal 1 of the windshield washer motor and pump assy, and the negative battery (-) lead to terminal 2. Check that washer fluid flows from the washer jar.
3. LEVEL WARNING SWITCH ASSY
(a) Check washer level warning switch continuity.
(b) Check that no continuity exists between terminals with switch OFF (float up).
(c) Check that continuity exists between terminals with switch ON (float down).
Problem symptoms table
WIPER AND WASHER SYSTEM
Symptom
Suspected Area
Front wipers and washers do not operate.
WIPER/WASHER Fuse
Front Wiper Switch
Wire Harness or Connector
...
Inspection
1. WINDSHIELD WIPER SWITCH ASSY
(a) Continuity Check
Measure the resistance according to the value(s) in
the table below.
Standard:
Front Wiper Switch
Front Washer Switch
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More about Toyota Highlander:
Precaution
CAUTION:
Check that the battery cables are connected to the correct terminals.
Disconnect the battery cables when the battery is given a quick
charge.
Do not perform tests with a high voltage insulation resistance
tester.
Never disconnect the battery while the engine is running.
Ch ...
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