DESCRIPTION
The sliding roof ECU (sliding roof drive gear 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 assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly) must be initialized Click here.
The sliding roof system uses the CAN and LIN communication systems. First, confirm that there are no malfunctions in the CAN and LIN communication systems. Refer to the How to Proceed with Troubleshooting procedure Click here.
PROCEDURE
READ VALUE USING INTELLIGENT TESTER
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
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 | SLIDE OPEN switch signal / ON or OFF | ON: SLIDE OPEN switch pressed OFF: SLIDE OPEN switch not pressed |
- |
| Close Switch | SLIDE CLOSE switch signal / ON or OFF | ON: SLIDE CLOSE switch pressed OFF: SLIDE CLOSE switch not pressed |
- |
| Up Switch | TILT UP switch signal / ON or OFF | ON: TILT UP switch pressed OFF: TILT UP switch not pressed |
- |
| Down Switch | TILT DOWN switch signal / ON or OFF | ON: TILT DOWN switch pressed OFF: TILT DOWN switch not pressed |
- |
| OK |
|---|
| The intelligent tester display changes according to switch operation as shown in the table. |
| NG |
|
INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - AUXILIARY BATTERY, BODY GROUND)
Disconnect the T10 sliding roof ECU (sliding roof drive gear 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 ASSEMBLY) Click here
INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)
| *a | Component without harness connected (Sliding Roof Switch (Map Light Assembly)) |
Remove the sliding roof switch (map light assembly) Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH)
Disconnect the T6 sliding roof switch (map light assembly) connector.
Disconnect the T10 sliding roof ECU (sliding roof drive gear 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 ASSEMBLY) Click here