DESCRIPTION
The roof sunshade ECU (sliding roof drive gear assembly) receives switch signals and drives its built-in motor.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
Inspect the fuses for circuits related to this system before performing the following procedure.
When the roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, it requires initialization.
The roof sunshade 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.
When a roof sunshade ECU (sliding roof drive gear assembly) DTC is output, first perform troubleshooting for the roof sunshade ECU (sliding roof drive gear assembly) DTC.
PROCEDURE
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the power switch on (IG).
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 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 |
- |
| Tester Display |
|---|
| Open Switch |
| Close Switch |
| OK |
|---|
| The GTS display changes according to switch operation as shown in the table. |
| Result | |||
|---|---|---|---|
|
| NG |
|
INSPECT ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - AUXILIARY BATTERY AND BODY GROUND)
Disconnect the a1 roof sunshade 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 | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
INSPECT ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY)
| *a | Component without harness connected (Roof Sunshade Switch (Map Light Assembly)) |
Remove the roof sunshade switch (map light assembly).
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY) AND BODY GROUND)
Disconnect the O8 roof sunshade switch (map light assembly) connector.
Disconnect the a1 roof sunshade ECU (sliding roof drive gear assembly) connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |