DESCRIPTION
The sliding roof ECU (sliding roof drive gear sub-assembly) receives switch slide and tilt signals and drives its built-in motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
When the sliding roof ECU (sliding roof drive gear sub-assembly) is reinstalled or replaced, the sliding roof drive gear sub-assembly must be initialized Click here.
Since the sliding roof system uses LIN communication, first confirm that there is no malfunction in the communication system by inspecting the LIN communication functions in accordance with the How to Proceed with Troubleshooting procedure Click here. Then, conduct the following inspection procedure.
PROCEDURE
PERFORM ACTIVE TEST USING GTS (SLIDING ROOF OPERATION)
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Body Electrical / Sliding Roof / Active Test.
Perform the Active Test according to the display on the GTS.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Slide Roof | Operate sliding roof | CLOS/UP / OFF | - |
| Slide Roof | Operate sliding roof | OPN/DWN / OFF | - |
| OK |
|---|
| Sliding roof operates normally. |
| NG |
|
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BATTERY, BODY GROUND) Click here |
| OK |
|
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Body Electrical / Sliding Roof / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Open SW | SLIDE OPEN switch signal/ON or OFF | ON: SLIDE OPEN switch pressed OFF: SLIDE OPEN switch not pressed |
- |
| Close SW | SLIDE CLOSE switch signal/ON or OFF | ON: SLIDE CLOSE switch pressed OFF: SLIDE CLOSE switch not pressed |
- |
| Up SW | TILT UP switch signal/ON or OFF | ON: TILT UP switch pressed OFF: TILT UP switch not pressed |
- |
| Down SW | TILT DOWN switch signal/ON or OFF | ON: TILT DOWN switch pressed OFF: TILT DOWN switch not pressed |
- |
| OK |
|---|
| The GTS display changes according to switch operation as shown in the table. |
| NG |
|
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH ASSEMBLY) Click here |
| OK |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BATTERY, BODY GROUND)
| *1 | Front view of wire harness connector (to Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly)) |
Disconnect the P4 ECU connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH ASSEMBLY)
| *1 | Front view of wire harness connector (to Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly)) |
| *2 | Front view of wire harness connector (to Sliding Roof Switch (Roof Console Box Assembly)) |
Disconnect the P6 switch connector.
Disconnect the P4 ECU connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY)
| *1 | Component without harness connected Sliding Roof Switch (Roof Console Box Assembly) |
Remove the sliding roof switch (roof console box assembly) Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) Click here |
| OK |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here