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

MIRROR (EXT)  POWER MIRROR CONTROL SYSTEM(w/ Memory)  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 each outer mirror control ECU assembly via CAN communication. Based on this signal, each outer mirror control ECU assembly operates the vertical and horizontal mirror motors to adjust the mirror surface position.

WIRING DIAGRAM

B490273E34
2.719,1.354 3.281,1.604 0.563,0.25 10 false MIRB 1.427,1.344 1.99,1.594 0.563,0.25 10 false M+ 1.271,2.01 1.833,2.26 0.563,0.25 10 false MSW 1.51,2.688 2.073,2.938 0.563,0.25 10 false E 0.49,3.396 1.448,3.635 0.958,0.24 10 false I8 0.49,3.563 1.708,3.927 1.219,0.365 10 false Outer Mirror Switch Assembly 0.719,4.229 2.552,4.49 1.833,0.26 10 false : CAN Communication Line 2.469,3.375 3.031,3.625 0.563,0.25 10 false E38 2.469,3.542 4.115,3.927 1.646,0.385 10 false Main Body ECU (Multiplex Network Body ECU) 5.115,1.479 6.677,1.865 1.563,0.385 10 false Outer Mirror Control ECU Assembly (Driver Door) 1.719,1.25 2.094,1.604 0.375,0.354 10 false 4 1.708,1.906 2.094,2.26 0.385,0.354 10 false 5 1.708,2.552 2.094,2.896 0.385,0.344 10 false 7 2.469,2.573 3.031,2.823 0.563,0.25 10 false 21 2.448,1.906 3.01,2.156 0.563,0.25 10 false 20 2.448,1.24 3.01,1.49 0.563,0.25 10 false 22 5.146,3.917 6.698,4.531 1.552,0.615 10 false Outer Mirror Control ECU Assembly (Front Passenger Door) 2.719,2.01 3.281,2.26 0.563,0.25 10 false MIRS 2.719,2.667 3.281,2.917 0.563,0.25 10 false MIRE

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 MIRROR SWITCH ASSEMBLY

Click hereVehicle Exterior>MIRROR (EXT)>OUTER MIRROR SWITCH>INSPECTION

Result:
Proceed to
OK
NG



OK

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

NG

REPLACE OUTER MIRROR SWITCH ASSEMBLY

Click hereVehicle Exterior>MIRROR (EXT)>OUTER MIRROR SWITCH>REMOVAL


2.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 / Radio Wiring Sub-Assy / 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

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