RM36D0EC _59 Vehicle Exterior _083109 WIPER / WASHER _0402385 WIPER AND WASHER SYSTEM J

WIPER / WASHER  WIPER AND WASHER SYSTEM  Rear Wiper Motor Circuit  


DESCRIPTION

This circuit is the power source circuit for the rear wiper motor assembly.

WIRING DIAGRAM

E419676E04
0.854,2.927 1.313,3.125 0.458,0.198 10 false R3 0.854,3.104 2.615,3.333 1.76,0.229 10 false Rear Wiper Motor Assembly 3.156,1.521 3.375,1.906 0.219,0.385 10 false 4 3.167,2.094 3.323,2.292 0.156,0.198 10 false 5 3.156,0.531 3.313,0.729 0.156,0.198 10 false 3 2.833,1.521 3.146,1.719 0.313,0.198 10 false +B 2.927,2.115 3.083,2.313 0.156,0.198 10 false E 2.854,0.542 3.167,0.74 0.313,0.198 10 false LS 4.875,0.542 5.24,0.792 0.365,0.25 10 false 11 5.167,0.552 5.781,0.75 0.615,0.198 10 false RWRY 5.146,1.302 5.604,1.5 0.458,0.198 10 false G139 5.135,1.469 6.771,1.833 1.635,0.365 10 false Main Body ECU (Multiplex Network Body ECU) 5.99,2.208 6.99,2.646 1,0.438 10 false from IGR NO.2 Relay 4.406,2.438 5.229,2.635 0.823,0.198 10 false WIPER RR

CAUTION / NOTICE / HINT

NOTICE:
·

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

·

If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.



PROCEDURE

1.PERFORM ACTIVE TEST USING GTS (REAR WIPER OPERATION)
a.

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
Rear Wiper Operation Function to operate the rear wiper motor assembly OFF or ON -
Body Electrical > Main Body > Active Test
Tester Display
Rear Wiper Operation
50004 449 77
OK:

Rear wiper motor assembly operates 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.INSPECT REAR WIPER MOTOR ASSEMBLY
2.INSPECT REAR WIPER MOTOR ASSEMBLY

Click hereVehicle Exterior>WIPER / WASHER>REAR WIPER MOTOR>INSPECTION

Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - BATTERY AND BODY GROUND)

NG

REPLACE REAR WIPER MOTOR ASSEMBLY

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


3.CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - BATTERY AND BODY GROUND)
a.
E410147C01
1.542,0.208 1.896,0.427 0.354,0.219 2.281,1.385 2.729,0.917 2.729,0.917 2.969,0.917 true 1.958,1.469 1.49,1.969 1.49,1.969 1.167,1.969 true 0.104,0.063 0.417,0.219 0.313,0.156 10 false *a 3.052,0.833 3.208,1.031 0.156,0.198 10 false E 0.896,1.875 1.208,2.073 0.313,0.198 10 false +B 1.635,0.229 1.948,0.427 0.313,0.198 10 false R3
*a Front view of wire harness connector
(to Rear Wiper Motor Assembly)


Disconnect the rear wiper motor assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R3-5 (E) - Body Ground Always Below 1 Ω



c.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
R3-4 (+B) - Body ground Ignition switch ON 11 to 14 V



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])
a.

Disconnect the R3 rear wiper motor assembly connector.


b.

Disconnect the G139 main body ECU (multiplex network body ECU) connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R3-3 (LS) - G139-11 (RWRY) Always Below 1 Ω
R3-3 (LS) or G139-11 (RWRY) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR