RM35X0E _59 Vehicle Exterior _079320 WIPER / WASHER _0385301 WIPER AND WASHER SYSTEM J

WIPER / WASHER  WIPER AND WASHER SYSTEM  Washer Motor Circuit  


DESCRIPTION

When the windshield washer motor and pump assembly receives signals from the windshield wiper switch assembly, it operates to spray washer fluid from the washer nozzle.

WIRING DIAGRAM

E413934E04
0.583,3.958 2.844,4.188 2.26,0.229 10 false Windshield Wiper Relay Assembly 0.594,3.781 0.906,3.979 0.313,0.198 10 false N67 1.76,0.615 2.208,0.802 0.448,0.188 10 false IGWS 1.792,1.51 2.25,1.708 0.458,0.198 10 false +WR 1.833,2.375 2.292,2.573 0.458,0.198 10 false -WR 1.781,3.271 2.24,3.469 0.458,0.198 10 false EWS 2.302,0.5 2.458,0.698 0.156,0.198 10 false 6 2.302,1.385 2.458,1.583 0.156,0.198 10 false 1 2.302,2.24 2.458,2.438 0.156,0.198 10 false 7 2.302,3.115 2.458,3.313 0.156,0.198 10 false 5 3.385,0.792 4.302,0.99 0.917,0.198 10 false WASHER 4.823,0.594 6.156,0.802 1.333,0.208 10 false from IG1 NO.4 Relay 5.177,2.26 5.333,2.458 0.156,0.198 10 false 1 3.635,2.26 3.792,2.458 0.156,0.198 10 false 2 3.125,2.781 3.583,2.979 0.458,0.198 10 false A25 3.115,2.969 6.063,3.208 2.948,0.24 10 false Windshield Washer Motor and Pump Assembly

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuse of circuits related to this system before performing the following procedure.


PROCEDURE

1.PERFORM ACTIVE TEST USING GTS (WASHER RELAY)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter following menus: Body Electrical / Main Body / Active Test.


e.

Perform the Active Test according to the display on the GTS.

Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Front Washer Relay Operates the windshield wiper relay assembly OFF or ON -
Rear Washer Relay Operates the windshield wiper relay assembly OFF or ON w/ Rear Wiper, Digital Rear-view Mirror System
Body Electrical > Main Body > Active Test
Tester Display
Front Washer Relay
50004 123 77
Body Electrical > Main Body > Active Test
Tester Display
Rear Washer Relay
50004 123 89
OK:

Windshield washer motor and pump assembly operate normally.



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Exterior>WIPER / WASHER>WIPER AND WASHER SYSTEM>PROBLEM SYMPTOMS TABLE


NG

2.CHECK WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY
2.CHECK WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY
a.

Disconnect the windshield washer motor and pump assembly.

Click hereVehicle Exterior>WIPER / WASHER>WASHER MOTOR>REMOVAL


b.

Inspect the windshield washer motor and pump assembly.

Click hereVehicle Exterior>WIPER / WASHER>WASHER MOTOR>ON-VEHICLE INSPECTION


Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - BATTERY AND BODY GROUND)

NG

REPLACE WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY

Click hereVehicle Exterior>WIPER / WASHER>WASHER MOTOR>REMOVAL


3.CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - BATTERY AND BODY GROUND)
a.
E410150C04
1.542,0.208 1.938,0.458 0.396,0.25 1.427,1.406 0.979,1.125 0.979,1.125 0.729,1.125 true 1.625,1.469 1.958,1.948 1.958,1.948 2.198,1.948 true 0.083,0.031 0.396,0.188 0.313,0.156 10 false *a 1.625,0.25 1.938,0.448 0.313,0.198 10 false N67 2.281,1.865 2.76,2.115 0.479,0.25 10 false IGWS 0.313,1.042 0.771,1.24 0.458,0.198 10 false EWS
*a Front view of wire harness connector
(to Windshield Wiper Relay Assembly)


Disconnect the windshield wiper relay assembly connector.


b.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Condition Specified Condition
N67-6 (IGWS) - Body ground Always 11 to 14 V



c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N67-5 (EWS) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY)
a.

Disconnect the N67 windshield wiper relay assembly connector.


b.

Disconnect the A25 windshield washer motor and pump assembly connector.


c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N67-1 (+WR) - A25-1 Always Below 1 Ω
N67-7 (-WR) - A25-2 Always Below 1 Ω
N67-1 (+WR) or A25-1 - Body ground Always 10 kΩ or higher
N67-7 (-WR) or A25-2 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE WINDSHIELD WIPER RELAY ASSEMBLY

Click hereVehicle Exterior>WIPER / WASHER>WIPER ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR