RM38N0EC _59 Vehicle Exterior _111846 WIPER / WASHER _0505202 WIPER AND WASHER SYSTEM J

WIPER / WASHER  WIPER AND WASHER SYSTEM  Wiper and Washer Switch Circuit  


DESCRIPTION

The condition of the windshield wiper switch assembly is detected and sent to the steering sensor in this circuit.

WIRING DIAGRAM

E395233E23
0.792,7.802 3.083,8 2.292,0.198 10 false Steering Sensor 2.677,7.729 3.646,8.313 0.969,0.583 10 false Steering Wheel Switch Housing 4.5,7.76 7.021,8.302 2.521,0.542 10 false Windshield Wiper Switch Assembly 2.573,6.323 2.885,6.521 0.313,0.198 10 false z13 2.563,1.552 2.875,1.75 0.313,0.198 10 false z13 2.573,2.448 2.885,2.646 0.313,0.198 10 false z13 2.563,2.01 2.875,2.208 0.313,0.198 10 false z13 2.563,2.854 2.875,3.052 0.313,0.198 10 false z13 2.573,3.271 2.885,3.469 0.313,0.198 10 false z13 2.573,5.406 2.885,5.604 0.313,0.198 10 false z13 2.573,5.865 2.885,6.063 0.313,0.198 10 false z13 3.469,1.552 3.781,1.75 0.313,0.198 10 false z15 3.469,2.01 3.781,2.208 0.313,0.198 10 false z15 3.469,2.448 3.781,2.646 0.313,0.198 10 false z15 3.479,2.854 3.792,3.052 0.313,0.198 10 false z15 3.469,3.281 3.781,3.479 0.313,0.198 10 false z15 3.469,5.406 3.781,5.604 0.313,0.198 10 false z15 3.469,5.865 3.781,6.063 0.313,0.198 10 false z15 3.469,6.323 3.781,6.521 0.313,0.198 10 false z15 2.135,1.427 2.594,1.625 0.458,0.198 10 false MIST 2,1.896 2.531,2.094 0.531,0.198 10 false W OFF 2.271,2.313 2.802,2.51 0.531,0.198 10 false +S 2.281,2.729 2.813,2.927 0.531,0.198 10 false +1 2.344,5.75 2.875,5.948 0.531,0.198 10 false E 2.24,5.292 2.833,5.583 0.594,0.292 10 false WF 2.292,3.156 2.823,3.354 0.531,0.198 10 false +2 2.219,6.25 2.542,6.5 0.323,0.25 10 false WR 6.552,6.344 6.927,6.563 0.375,0.219 10 false WR 6.594,5.854 7.125,6.052 0.531,0.198 10 false E 6.552,5.417 7.083,5.615 0.531,0.198 10 false WF 5.719,4.979 6.354,5.188 0.635,0.208 10 false Fr WASH 4.313,4.969 4.948,5.177 0.635,0.208 10 false Rr WASH 5.135,4.969 5.771,5.177 0.635,0.208 10 false OFF 5.01,6.667 6.26,7 1.25,0.333 10 false Washer Switch 4.76,4.063 6.229,4.521 1.469,0.458 10 false Front Wiper Switch 6.51,3.698 7.042,3.896 0.531,0.198 10 false E 6.458,3.292 6.99,3.49 0.531,0.198 10 false +2 6.458,2.844 6.99,3.042 0.531,0.198 10 false +1 6.458,2.417 6.99,2.615 0.531,0.198 10 false +S 6.344,2 6.875,2.198 0.531,0.198 10 false W OFF 6.396,1.51 6.854,1.708 0.458,0.198 10 false MIST 5.823,1.073 6.281,1.271 0.458,0.198 10 false MIST 5.385,1.073 5.917,1.271 0.531,0.198 10 false OFF 4.833,1.188 5.365,1.385 0.531,0.198 10 false INT*2 4.427,1.073 4.958,1.271 0.531,0.198 10 false LO 3.948,1.073 4.479,1.271 0.531,0.198 10 false HI 1.313,0.406 1.771,0.604 0.458,0.198 10 false 5 V 3.5,1.365 3.958,1.563 0.458,0.198 10 false 14 3.49,1.823 3.948,2.021 0.458,0.198 10 false 10 3.49,2.25 3.948,2.448 0.458,0.198 10 false 13 3.49,2.667 3.948,2.865 0.458,0.198 10 false 11 3.49,3.083 3.948,3.281 0.458,0.198 10 false 12 3.49,5.229 3.948,5.427 0.458,0.198 10 false 15 3.531,5.677 3.99,5.875 0.458,0.198 10 false 5 3.531,6.135 3.99,6.333 0.458,0.198 10 false 9 2.583,6.146 3.042,6.344 0.458,0.198 10 false 32 2.594,5.677 3.052,5.875 0.458,0.198 10 false 33 2.594,5.229 3.052,5.427 0.458,0.198 10 false 31 2.594,3.083 3.052,3.281 0.458,0.198 10 false 27 2.594,2.667 3.052,2.865 0.458,0.198 10 false 26 2.594,2.26 3.052,2.458 0.458,0.198 10 false 25 2.594,1.823 3.052,2.021 0.458,0.198 10 false 24 2.594,1.365 3.052,1.563 0.458,0.198 10 false 28 0.354,4.167 0.813,4.365 0.458,0.198 10 false IC 0.177,8.469 3.469,8.76 3.292,0.292 10 false *1: w/ Auto Wiper System 4.771,0.979 5.302,1.177 0.531,0.198 10 false AUTO*1 2.375,8.479 5.063,8.74 2.688,0.26 10 false *2: w/o Auto Wiper System

E395234E40
0.833,8.594 3.125,8.792 2.292,0.198 10 false Steering Sensor 2.667,6.896 3.635,7.635 0.969,0.74 10 false Steering Wheel Switch Housing 4.302,6.885 6.792,7.385 2.49,0.5 10 false Windshield Wiper Switch Assembly 4.563,8.573 7.135,8.927 2.573,0.354 10 false A81 4.573,8.75 7,9.167 2.427,0.417 10 false Windshield Wiper Relay Assembly 4.188,8.208 6.75,8.51 2.563,0.302 10 false 2S 2.281,8.073 2.594,8.271 0.313,0.198 10 false 2S 2.552,8.198 2.865,8.396 0.313,0.198 10 false E60 2.615,8.01 2.927,8.208 0.313,0.198 10 false 2 3.99,8.073 4.302,8.271 0.313,0.198 10 false 3 2.542,5.646 2.854,5.844 0.313,0.198 10 false z13 2.542,5.188 2.854,5.385 0.313,0.198 10 false z13 2.542,2.719 2.854,2.917 0.313,0.198 10 false z13 3.448,2.719 3.76,2.917 0.313,0.198 10 false z15 3.448,5.188 3.76,5.385 0.313,0.198 10 false z15 3.448,5.646 3.76,5.844 0.313,0.198 10 false z15 4.625,3.49 7.125,3.844 2.5,0.354 10 false Auto Sensitivity Adjustment Switch*1 4.906,5.99 6.594,6.375 1.688,0.385 10 false Rear Wiper Switch 2.573,5.458 2.885,5.656 0.313,0.198 10 false 30 2.563,5.01 2.875,5.208 0.313,0.198 10 false 29 2.563,2.531 2.875,2.729 0.313,0.198 10 false 34 3.5,2.531 3.813,2.729 0.313,0.198 10 false 4 3.5,5.01 3.813,5.208 0.313,0.198 10 false 7 3.51,5.458 3.823,5.656 0.313,0.198 10 false 6 2.177,5.521 2.49,5.719 0.313,0.198 10 false +1R 2.167,5.073 2.479,5.271 0.313,0.198 10 false C1R 2.24,2.604 2.552,2.802 0.313,0.198 10 false VR 6.531,2.74 6.844,2.938 0.313,0.198 10 false VR 6.573,3.146 6.885,3.344 0.313,0.198 10 false E 6.531,2.302 6.844,2.5 0.313,0.198 10 false P3 6.521,1.896 6.833,2.094 0.313,0.198 10 false P2 6.51,1.448 6.823,1.646 0.313,0.198 10 false P1 6.042,1.01 6.354,1.208 0.313,0.198 10 false P1 5.635,1.01 5.948,1.208 0.313,0.198 10 false P2 5.219,1.01 5.531,1.208 0.313,0.198 10 false P3 4.771,1.01 5.083,1.208 0.313,0.198 10 false P4 4.354,4.302 4.927,4.552 0.573,0.25 10 false Rr ON 5.146,4.302 5.719,4.552 0.573,0.25 10 false Rr INT 5.844,4.292 6.417,4.542 0.573,0.25 10 false OFF 6.594,4.729 6.906,4.927 0.313,0.198 10 false E 6.49,5.219 6.802,5.417 0.313,0.198 10 false C1R 6.5,5.635 6.813,5.833 0.313,0.198 10 false +1R 0.375,4.729 0.688,4.927 0.313,0.198 10 false IC 0.25,9.052 2.24,9.25 1.99,0.198 10 false *1: w/ Auto Wiper System 0.25,9.417 2.24,9.615 1.99,0.198 10 false *2: w/o Auto Wiper System 4.594,3.792 7.156,4.135 2.563,0.344 10 false Intermittent Time Adjustment Switch*2

PROCEDURE

1.READ VALUE USING GTS
a.

Read the Data List according to the display on the GTS.

Chassis > Steering Angle Sensor > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Wiper OFF Switch Front wiper switch OFF position signal OFF or ON OFF: Front wiper switch not in OFF position
ON: Front wiper switch in OFF position 		-
Wiper Auto/Int Switch Front wiper switch AUTO*1 or INT*2 position signal OFF or ON OFF: Front wiper switch not in AUTO*1 or INT*2 position
ON: Front wiper switch in AUTO*1 or INT*2 position 		-
Wiper Lo Switch Front wiper switch LO position signal OFF or ON OFF: Front wiper switch not in LO position
ON: Front wiper switch in LO position 		-
Wiper Hi Switch Front wiper switch HI position signal OFF or ON OFF: Front wiper switch not in HI position
ON: Front wiper switch in HI position 		-
Wiper Mist Switch Front wiper switch MIST position signal OFF or ON OFF: Front wiper switch not in MIST position
ON: Front wiper switch in MIST position 		-
Washer Switch Washer switch Fr WASH position signal OFF or ON OFF: Washer switch not in Fr WASH position
ON: Washer switch in Fr WASH position 		-
Rear Wiper INT Switch Rear wiper switch INT position signal OFF or ON OFF: Rear wiper switch not in INT position
ON: Rear wiper switch in INT position 		-
Rear Wiper ON Switch Rear wiper switch Rr ON position signal OFF or ON OFF: Rear wiper switch not in ON position
ON: Rear wiper switch in ON position 		-
Rear Washer Switch Washer switch Rr WASH position signal OFF or ON OFF: Washer switch not in Rr WASH position
ON: Washer switch in Rr WASH position 		-
Intermittent Time Volume (Shortest) Intermittent time adjustment volume condition OFF or ON OFF: Windshield wiper switch assembly (auto sensitivity adjustment*1 or intermittent time adjustment*2 volume condition) not in P4 position
ON: Windshield wiper switch assembly (auto sensitivity adjustment*1 or intermittent time adjustment*2 volume condition) in P4 position 		*3
Intermittent Time Volume (Shorter) Intermittent time adjustment volume condition OFF or ON OFF: Windshield wiper switch assembly (auto sensitivity adjustment*1 or intermittent time adjustment*2 volume condition) not in P3 position
ON: Windshield wiper switch assembly (auto sensitivity adjustment*1 or intermittent time adjustment*2 volume condition) in P3 position 		*3
Intermittent Time Volume (Longer) Intermittent time adjustment volume condition OFF or ON OFF: Windshield wiper switch assembly (auto sensitivity adjustment*1 or intermittent time adjustment*2 volume condition) not in P2 position
ON: Windshield wiper switch assembly (auto sensitivity adjustment*1 or intermittent time adjustment*2 volume condition) in P2 position 		*3
Intermittent Time Volume (Longest) Intermittent time adjustment volume condition OFF or ON OFF: Windshield wiper switch assembly (auto sensitivity adjustment*1 or intermittent time adjustment*2 volume condition) not in P1 position
ON: Windshield wiper switch assembly (auto sensitivity adjustment*1 or intermittent time adjustment*2 volume condition) in P1 position 		*3

*1: w/ Auto Wiper System

*2: w/o Auto Wiper System

*3: Refer to Inspection for each position of the switch.

Click hereVehicle Exterior>WIPER / WASHER>WIPER SWITCH>INSPECTION


Chassis > Steering Angle Sensor > Data List
Tester Display
Wiper OFF Switch
Wiper Auto/Int Switch
Wiper Lo Switch
Wiper Hi Switch
Wiper Mist Switch
Washer Switch
Rear Wiper INT Switch
Rear Wiper ON Switch
Rear Washer Switch
Intermittent Time Volume (Shortest)
Intermittent Time Volume (Shorter)
Intermittent Time Volume (Longer)
Intermittent Time Volume (Longest)
50003 445 15,16,17,18,19,20,21,22,23,24,25,26,27
OK:

The GTS display changes correctly in response to the windshield wiper switch assembly operation.



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.INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
2.INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
a.

Remove the windshield wiper switch assembly.

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


b.

Inspect the windshield wiper switch assembly.

Click hereVehicle Exterior>WIPER / WASHER>WIPER SWITCH>INSPECTION


Result:
Proceed to
OK
NG



OK

3.INSPECT STEERING WHEEL SWITCH HOUSING

NG

REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY

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


4.CHECK HARNESS AND CONNECTOR (STEERING SENSOR - WINDSHIELD WIPER RELAY ASSEMBLY)
a.

Disconnect the A81 windshield wiper relay assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(E60,A81)Location & Routing

Click Connector(E60)Instrument Panel>Instrument Panel Wire / Radio Wiring Sub-Assy / Telephone Computer Wire>Steering Sensor

Click Connector(A81)Instrument Panel>Engine Room Main Wire>Windshield Wiper Relay Assembly

E60-2 (2S) - A81-3 (2S) Always Below 1 Ω
E60-2 (2S) or A81-3 (2S) - 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