DESCRIPTION
The sliding roof ECU (sliding roof drive gear sub-assembly) receives slide and tilt signals when the sliding roof switch is operated 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 removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) must be initialized Click here.
The sliding roof system uses the LIN communication system. First, confirm that there are no malfunctions in the LIN communication system. Refer to the How to Proceed with Troubleshooting procedure Click here.
When a sliding roof ECU (sliding roof drive gear sub-assembly) DTC is output, first perform troubleshooting for the sliding roof ECU (sliding roof drive gear sub-assembly) DTC.
PROCEDURE
READ VALUE USING INTELLIGENT TESTER
Connect the intelligent tester to the DLC3.
Turn the ignition switch to ON.
Turn the intelligent tester on.
Enter the following menus: Body / Sliding Roof / Data List.
Read the Data List according to the display on the intelligent tester.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Open Switch | OPEN switch signal/ON or OFF | ON: OPEN switch pressed OFF: OPEN switch not pressed |
- |
| Close Switch | CLOSE switch signal/ON or OFF | ON: CLOSE switch pressed OFF: CLOSE switch not pressed |
- |
| Up Switch | UP switch signal/ON or OFF | ON: UP switch pressed OFF: UP switch not pressed |
- |
| Down Switch | DOWN switch signal/ON or OFF | ON: DOWN switch pressed OFF: DOWN switch not pressed |
- |
| OK |
|---|
| The intelligent tester display changes according to switch operation as shown in the table. |
| NG |
|
INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BATTERY AND BODY GROUND)
Disconnect the S4 sliding roof ECU (sliding roof drive gear sub-assembly) 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
INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY)
| *a | 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 |
|
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH AND BODY GROUND)
Disconnect the S7 sliding roof switch (roof console box assembly) connector.
Disconnect the S4 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
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