SYSTEM DESCRIPTION
ECM sends the reverse signal to the main body ECU (multiplex network body ECU) via CAN communication. When receiving the reverse signal, the main body ECU (multiplex network body ECU) sends the reverse request signal to each front multiplex network door ECU. Each front multiplex network door ECU then performs control in response to the reverse signal.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem.
Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
Tech Tips
The reverse shift-linked function will not activate when the mirror select switch is in the neutral position (off).
PROCEDURE
CHECK OUTER REAR VIEW MIRROR ASSEMBLY FUNCTION (MEMORY AND MIRROR RESTORING OPERATION)
Check that the mirror operates Click here.
| OK |
|---|
| Mirror operates normally. |
| NG |
|
GO TO OTHER FLOWCHART (Power Mirror Surface Position is not Memorized) Click here |
| OK |
|
CHECK FOR DTC (SFI SYSTEM)
for 2GR-FSE:
Check for DTCs Click here.
for 4GR-FSE:
Check for DTCs Click here.
| OK |
|---|
| DTCs output does not occur. |
| Result | Proceed to |
|---|---|
| OK | A |
| NG (for 2GR-FSE) | B |
| NG (for 4GR-FSE) | C |
| B |
|
GO TO SFI SYSTEM Click here |
| C |
|
GO TO SFI SYSTEM Click here |
| A |
|
CHECK SHIFT POSITION INDICATOR FUNCTION
Check that the shift position indicator operates.
| OK |
|---|
| Shift position indicator operates normally. |
| NG |
|
GO TO METER / GAUGE SYSTEM Click here |
| OK |
|
CONFIRM MALFUNCTIONING PARTS
Check the malfunctioning outer rear view mirror.
| Result | Proceed to |
|---|---|
| Both the left and right outer rear view mirror do not operate | A |
| Outer rear view mirror RH does not operate | B |
| Outer rear view mirror LH does not operate | C |
| B |
|
REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here |
| C |
|
REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here |
| A |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here