RM38N0EC _59 Vehicle Exterior _111846 WIPER / WASHER _0505202 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

E450777E06
3.25,1.313 3.406,1.51 0.156,0.198 10 false E 3.167,0.396 3.479,0.594 0.313,0.198 10 false +B 3.469,0.385 3.625,0.583 0.156,0.198 10 false 4 3.177,2.125 3.49,2.323 0.313,0.198 10 false LS 4.427,2.135 4.781,2.417 0.354,0.281 10 false 11 4.698,2.115 5.313,2.313 0.615,0.198 10 false RWRY 4.76,0.677 5.99,0.875 1.229,0.198 10 false WIPER RR 5.813,0.51 6.74,1.135 0.927,0.625 10 false from IGR NO.2 Relay 4.427,3.052 4.74,3.25 0.313,0.198 10 false E37 4.729,3.052 6.906,3.771 2.177,0.719 10 false Main Body ECU (Multiplex Network Body ECU) 0.292,3.073 4.115,3.271 3.823,0.198 10 false Rear Wiper Motor Assembly 3.469,1.333 4.042,1.573 0.573,0.24 10 false 5 3.469,2.135 4.125,2.333 0.656,0.198 10 false 3 0.302,2.896 0.906,3.083 0.604,0.188 10 false T3 4.521,1.302 4.833,1.5 0.313,0.198 10 false 4E 4.75,1.302 6.896,1.646 2.146,0.344 10 false Power Distribution Box Assembly 4.427,0.396 4.781,0.677 0.354,0.281 10 false 16

CAUTION / NOTICE / HINT

NOTICE:
·

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

·

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.



PROCEDURE

1.PERFORM ACTIVE TEST USING GTS
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
a.

Remove the rear wiper motor assembly.

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


b.

Inspect the rear wiper motor assembly.

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


Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (POWER SOURCE - REAR WIPER MOTOR ASSEMBLY)

NG

REPLACE REAR WIPER MOTOR ASSEMBLY

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


3.CHECK HARNESS AND CONNECTOR (POWER SOURCE - REAR WIPER MOTOR ASSEMBLY)
a.

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

Standard Voltage:
Tester Connection Condition Specified Condition

Click Location & Routing(T3)Location & Routing

Click Connector(T3)Body>No. 1 Back Door Wire>Rear Wiper Motor Assembly

T3-4 (+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 - BODY GROUND)

NG

6.CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - POWER DISTRIBUTION BOX ASSEMBLY)
4.CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - BODY GROUND)
a.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(T3)Location & Routing

Click Connector(T3)Body>No. 1 Back Door Wire>Rear Wiper Motor Assembly

T3-5 (E) - Body Ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Disconnect the E37 main body ECU (multiplex network body ECU) connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(T3,E37)Location & Routing

Click Connector(T3)Body>No. 1 Back Door Wire>Rear Wiper Motor Assembly

Click Connector(E37)Instrument Panel>Instrument Panel Wire / Radio Wiring Sub-Assy / Telephone Computer Wire>Multiplex Network Body ECU

T3-3 (LS) - E37-11 (RWRY) Always Below 1 Ω
T3-3 (LS) or E37-11 (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

6.CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 4E power distribution box 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(T3)Location & Routing

Click Connector(T3)Body>No. 1 Back Door Wire>Rear Wiper Motor Assembly

T3-4 (+B) - 4E-16 Always Below 1 Ω
T3-4 (+B) or 4E-16 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR