RM38N0EC _59 Vehicle Exterior _111837 MIRROR (EXT) _0509771 POWER MIRROR CONTROL SYSTEM(w/ Memory) J

MIRROR (EXT)  POWER MIRROR CONTROL SYSTEM(w/ Memory)  Front Passenger Side Power Mirror cannot be Adjusted with Power Mirror Switch  


DESCRIPTION

The outer mirror switch assembly sends the mirror adjust switch signals to the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) then sends the received mirror adjust switch signals to the outer mirror control ECU assembly (front passenger door) via CAN communication. On receiving the signal, the outer mirror control ECU assembly (front passenger door) operates the vertical and horizontal mirror motors, which are built into the outer rear view mirror assembly (front passenger door), to adjust the mirror surface position.

WIRING DIAGRAM

B490272E64
1.031,0.656 1.635,0.948 0.604,0.292 10 false M+ 0.896,1.26 1.5,1.552 0.604,0.292 10 false MSW 1.135,1.833 1.74,2.125 0.604,0.292 10 false E 0.167,2.427 0.771,2.719 0.604,0.292 10 false I8 0.167,2.583 1.375,2.969 1.208,0.385 10 false Outer Mirror Switch Assembly 0.531,3.354 2.479,3.635 1.948,0.281 10 false : CAN Communication Line 1.729,2.427 2.333,2.719 0.604,0.292 10 false E38 1.729,2.583 3.365,3.031 1.635,0.448 10 false Main Body ECU (Multiplex Network Body ECU) 3.625,2.427 4.229,2.719 0.604,0.292 10 false G19 3.625,2.583 5.042,3.219 1.417,0.635 10 false Outer Mirror Control ECU Assembly (Front Passenger Door) 5.396,2.427 6.531,2.708 1.135,0.281 10 false G13 5.396,2.583 6.823,3.208 1.427,0.625 10 false Outer Rear View Mirror Assembly (Front Passenger Door) 5.302,0.854 6.771,1.219 1.469,0.365 10 false Horizontal Mirror Motor 5.281,0.552 5.885,0.844 0.604,0.292 10 false MH 5.302,1.729 5.906,2.021 0.604,0.292 10 false MV 5.083,0.563 5.396,0.917 0.313,0.354 10 false 9 5.083,1.146 5.448,1.531 0.365,0.385 10 false 8 5.104,1.729 5.406,2.073 0.302,0.344 10 false 7 4.708,1.719 5.313,2.01 0.604,0.292 10 false 1 4.688,1.156 5.292,1.448 0.604,0.292 10 false 10 4.719,0.573 5.323,0.865 0.604,0.292 10 false 9 4.188,0.667 4.792,0.958 0.604,0.292 10 false RMHR 2,0.677 2.604,0.969 0.604,0.292 10 false MIRB 5.313,1.156 5.917,1.448 0.604,0.292 10 false M+ 1.729,0.552 2.333,0.844 0.604,0.292 10 false 22 1.719,1.167 2.323,1.458 0.604,0.292 10 false 20 1.719,1.729 2.323,2.021 0.604,0.292 10 false 21 1.354,1.729 1.958,2.021 0.604,0.292 10 false 7 1.365,1.156 1.969,1.448 0.604,0.292 10 false 5 1.365,0.563 1.969,0.854 0.604,0.292 10 false 4 2,1.271 2.604,1.563 0.604,0.292 10 false MIRS 2.01,1.854 2.615,2.146 0.604,0.292 10 false MIRE 4.198,1.26 4.802,1.552 0.604,0.292 10 false RM+R 4.188,1.833 4.792,2.125 0.604,0.292 10 false RMVR 5.385,2.042 6.854,2.406 1.469,0.365 10 false Vertical Mirror Motor

CAUTION / NOTICE / HINT

NOTICE:
·

The power mirror control system (w/ Memory) uses the CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the power mirror control system (w/ Memory) after confirming that the communication systems are functioning properly.

Click hereVehicle Exterior>MIRROR (EXT)>POWER MIRROR CONTROL SYSTEM (w/ Memory)>HOW TO PROCEED WITH TROUBLESHOOTING

·

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



PROCEDURE

1.INSPECT OUTER REAR VIEW MIRROR ASSEMBLY (FRONT PASSENGER DOOR) (MIRROR SURFACE)

OK

2.CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY (FRONT PASSENGER DOOR) - OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER DOOR))

NG

2.CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY (FRONT PASSENGER DOOR) - OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER DOOR))
a.

Disconnect the G13 outer rear view mirror assembly (front passenger door).


b.

Disconnect the G19 outer mirror control ECU assembly (front passenger door).


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(G13,G19)Location & Routing

Click Connector(G13)Body>Front Door Wire RH / Front Door Wire LH>Outer Rear View Mirror Assembly RH

Click Connector(G19)Body>Front Door Wire RH / Front Door Wire LH>Outer Mirror Control ECU Assembly RH

G13-7 (MV) - G19-1 (RMVR) Always Below 1 Ω
G13-9 (MH) - G19-9 (RMHR) Always Below 1 Ω
G13-8 (M+) - G19-10 (RM+R) Always Below 1 Ω
G13-7 (MV) or G19-1 (RMVR) - Body ground Always 10 kΩ or higher
G13-9 (MH) or G19-9 (RMHR) - Body ground Always 10 kΩ or higher
G13-8 (M+) or G19-10 (RM+R) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

3.INSPECT OUTER MIRROR SWITCH ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.INSPECT OUTER MIRROR SWITCH ASSEMBLY

OK

4.CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH ASSEMBLY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

NG

4.CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH ASSEMBLY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
a.

Disconnect the E38 main body ECU (multiplex network body ECU).


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(I8,E38)Location & Routing

Click Connector(I8)Body>No. 2 Front Door Wire RH / No. 2 Front Door Wire LH>Outer Mirror Switch Assembly

Click Connector(E38)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Multiplex Network Body ECU

I8-7 (E) - E38-21 (MIRE) Always Below 1 Ω
I8-4 (M+) - E38-22 (MIRB) Always Below 1 Ω
I8-5 (MSW) - E38-20 (MIRS) Always Below 1 Ω
I8-7 (E) or E38-21 (MIRE) - Body ground Always 10 kΩ or higher
I8-4 (M+) or E38-22 (MIRB) - Body ground Always 10 kΩ or higher
I8-5 (MSW) or E38-20 (MIRS) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY
a.

Temporarily replace the outer mirror control ECU assembly with a normally functioning one.

HINT:

Click hereVehicle Exterior>MIRROR (EXT)>OUTER MIRROR CONTROL ECU>REMOVAL



Result:
Proceed to
NEXT



NEXT

6.CHECK POWER MIRROR CONTROL SYSTEM
6.CHECK POWER MIRROR CONTROL SYSTEM

Result:
Result Proceed to
Power mirror control function operates normally A
Power mirror control function does not operate normally B



A

END (OUTER MIRROR CONTROL ECU ASSEMBLY WAS DEFECTIVE)

B