DESCRIPTION
The rear door ECU operates the motor of the rear curtain (rear door sunshade).
WIRING DIAGRAM
PROCEDURE
CHECK DTC
Check the DTC Click here.
| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| U0201 is output (for LHD) | B |
| U0201 is output (for RHD) | C |
| B |
|
GO TO CAN COMMUNICATION SYSTEM Click here |
| C |
|
GO TO CAN COMMUNICATION SYSTEM Click here |
| A |
|
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (DOOR SUNSHADE OPERATION)
Select the Active Test, use the intelligent tester to generate a control command, and then check that the rear door sunshade operates Click here.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Rear Door Sunshade Operation | Rear curtain | Up, Down, Stop | - |
| OK |
|---|
| Rear curtain is operated normally. |
| OK |
|
USE SIMULATION METHOD TO CHECK Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (REAR CURTAIN RH - REAR DOOR ECU RH)
Disconnect the O2 ECU connector.
Disconnect the O5 curtain connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT REAR CURTAIN RH
| *1 | Component without harness connected: (Rear Curtain RH) |
| *2 | SSA+ |
| *3 | SSA- |
Remove the rear curtain RH Click here.
Apply battery voltage and check the operation of the rear curtain RH.
| OK | ||||||
|---|---|---|---|---|---|---|
|
| *1 | Component with harness connected: (Rear Curtain RH) |
| *2 | SHSE |
| *3 | 11 to 14 V |
| *4 | Below 1 V |
Reconnect the rear curtain connector.
Measure the waveform according to the value(s) in the table below.
| Item | Content |
|---|---|
| Tester connection |
|
| Tool Setting | 2 V/DIV., 1 msec./DIV. |
| Condition | Power switch on (IG), rear door sunshade switch is pressed |
| OK |
|---|
| Waveform is as shown in the illustration. |
| OK |
|
REPLACE REAR DOOR ECU RH Click here |
| NG |
|
REPLACE REAR CURTAIN RH Click here |