SYSTEM DESCRIPTION
The main body ECU (multiplex network body ECU) receives the retractable outer mirror switch signal from the outer mirror switch assembly (retractable outer mirror switch). The main body ECU then sends the mirror retract/return signal to each outer mirror control ECU assembly via CAN communication. Based on this signal, each outer mirror control ECU assembly retracts or returns the outer rear view mirror assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check for CAN communication system DTCs Click here.*1
Check for CAN communication system DTCs Click here.*2
*1: w/o Central Gateway ECU
*2: w/ Central Gateway ECU
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| B |
|
GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here |
| C |
|
GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here |
| A |
|
READ VALUE USING GTS (RETRACTABLE OUTER MIRROR SWITCH)
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Main Body / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Outer Mirror Fold SW | Retractable outer mirror switch signal / ON or OFF | ON: Retractable outer mirror switch in retract position OFF: Retractable outer mirror switch in driving position |
- |
| OK |
|---|
| On the GTS screen, ON or OFF is displayed for each item according to the above. |
| NG |
|
INSPECT RETRACTABLE OUTER MIRROR SWITCH Click here |
| OK |
|
PERFORM ACTIVE TEST USING GTS (MIRROR RETRACT FUNCTION)
Enter the following menus: Body Electrical / Mirror L or Mirror R / Active Test.
Perform the Active Test according to the display on the GTS.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Mirror Fold/Return | Mirror retract operation | Fold / Return |
|
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| C |
|
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY (DRIVER DOOR) (RETRACTABLE MIRROR) (DRIVER DOOR) Click here |
| B |
|
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY (FRONT PASSENGER DOOR) (RETRACTABLE MIRROR)
Remove the outer rear view mirror assembly (front passenger door) Click here.
Inspect the outer rear view mirror assembly (front passenger door) (retractable mirror) Click here.
| OK |
|
REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER DOOR) Click here |
| NG |
|
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY (FRONT PASSENGER DOOR) Click here |
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY (DRIVER DOOR) (RETRACTABLE MIRROR) (DRIVER DOOR)
Remove the outer rear view mirror assembly (driver door) Click here.
Inspect the outer rear view mirror assembly (driver door) (retractable mirror) Click here.
| OK |
|
REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR) Click here |
| NG |
|
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY (DRIVER DOOR) Click here |
INSPECT RETRACTABLE OUTER MIRROR SWITCH
Remove the retractable outer mirror switch Click here.
Inspect the retractable outer mirror switch Click here.
| NG |
|
REPLACE RETRACTABLE OUTER MIRROR SWITCH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (RETRACTABLE OUTER MIRROR SWITCH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
Disconnect the H10 connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |