| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Vehicle Exterior | Section: Sliding Roof/Convertible | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000030NX004X |
| Title: SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
Sliding Roof Control Switch Circuit |
DESCRIPTION
If either the sliding function or tilt function does not operate, there may be a malfunction in the sliding roof switch circuit.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (SLIDING ROOF OPERATION) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream ON.
(d) Enter the following menus: Body Electrical / Sliding Roof / Active Test.
(e) According to the display on the Techstream, perform the Active Test.
Sliding Roof
|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Slide Roof |
Operate sliding roof SLIDE CLOSE/TILT UP or SLIDE OPEN/TILT DOWN |
CLOS/UP: Sliding roof SLIDE CLOSE or TILT UP operation occurs OPN/DWN: Sliding roof SLIDE OPEN or TILT DOWN operation occurs OFF: Sliding roof is not operating |
- |
OK:
Sliding roof operates normally.
|
|
2. |
READ VALUE USING TECHSTREAM (SLIDING ROOF SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream ON.
(d) Enter the following menus: Body Electrical / Sliding Roof / Data List.
(e) According to the display on the Techstream, read the Data List.
Sliding Roof
|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Open Switch |
Sliding roof open switch signal/ON or OFF |
ON: SLIDE switch is pressed to open OFF: SLIDE switch is not pressed to open |
- |
|
Close Switch |
Sliding roof close switch signal/ON or OFF |
ON: SLIDE switch is pressed to close OFF: SLIDE switch is not pressed to close |
- |
|
Up Switch |
Sliding roof up switch signal/ON or OFF |
ON: TILT switch is pressed to up OFF: TILT switch is not pressed to up |
- |
|
Down Switch |
Sliding roof down switch signal/ON or OFF |
ON: TILT switch is pressed to down OFF: TILT switch is not pressed to down |
- |
OK:
The Techstream displays as shown in the table according to the operation of each switch.
|
|
3. |
INSPECT SLIDING ROOF SWITCH |
(a) Remove the sliding roof switch
.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 (UP) - 5 (E) |
TILT switch is pressed to up |
Below 1 Ω |
|
TILT switch is not pressed to up |
10 kΩ or higher |
|
|
2 (DWN) - 5 (E) |
TILT switch is pressed to down |
Below 1 Ω |
|
TILT switch is not pressed to down |
10 kΩ or higher |
|
|
3 (CLS) - 5 (E) |
SLIDE switch is pressed to close |
Below 1 Ω |
|
SLIDE switch is not pressed to close |
10 kΩ or higher |
|
|
4 (OPN) - 5 (E) |
SLIDE switch is pressed to open |
Below 1 Ω |
|
SLIDE switch is not pressed to open |
10 kΩ or higher |
|
|
4. |
INSPECT ROOF CONSOLE BOX ASSEMBLY |
|
(a) Remove the roof console box with sliding roof switch
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
3 (CLS) - 7 (E) |
SLIDE switch is pressed to close |
Below 1 Ω |
|
SLIDE switch is not pressed to close |
10 kΩ or higher |
|
|
4 (OPN) - 7 (E) |
SLIDE switch is pressed to open |
Below 1 Ω |
|
SLIDE switch is not pressed to open |
10 kΩ or higher |
|
|
5 (DOWN) - 7 (E) |
TILT switch is pressed to down |
Below 1 Ω |
|
TILT switch is not pressed to down |
10 kΩ or higher |
|
|
6 (UP) - 7 (E) |
TILT switch is pressed to up |
Below 1 Ω |
|
TILT switch is not pressed to up |
10 kΩ or higher |
|
|
5. |
CHECK HARNESS AND CONNECTOR (ROOF CONSOLE BOX - SLIDING ROOF ECU AND BODY GROUND) |
|
(a) Disconnect the U3 ECU connector. |
(b) Disconnect the U7 switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
U7-3 (CLS) - U3-7 (CLS) |
Always |
Below 1 Ω |
|
U7-3 (CLS) - Body ground |
Always |
10 kΩ or higher |
|
U7-4 (OPN) - U3-6 (OPN) |
Always |
Below 1 Ω |
|
U7-4 (OPN) - Body ground |
Always |
10 kΩ or higher |
|
U7-5 (DOWN) - U3-2 (DWN) |
Always |
Below 1 Ω |
|
U7-5 (DOWN) - Body ground |
Always |
10 kΩ or higher |
|
U7-6 (UP) - U3-1 (UP) |
Always |
Below 1 Ω |
|
U7-6 (UP) - Body ground |
Always |
10 kΩ or higher |
|
U7-7 (E) - Body ground |
Always |
Below 1 Ω |
|
|
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