| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Vehicle Exterior | Section: Door/Hatch | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000036BP003X |
| Title: DOOR / HATCH: POWER BACK DOOR SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
Power Back Door cannot be Closed Using the Power Back Door Closer Switch |
DESCRIPTION
When the power back door cannot be closed using the power back door closer switch, one of the following may be malfunctioning: 1) power back door closer switch circuit, or 2) power back door drive unit (power back door ECU).
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM |
(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 / Back Door / Data List /
(e) According to the display on the Techstream, read the Data List.
Back Door
|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
PBD Close SW |
Power back door closer switch signal / ON or OFF |
ON: Power back door closer switch ON OFF: Power back door closer switch OFF |
- |
OK:
The power back door closer switch functions as specified in the normal condition.
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|
2. |
INSPECT POWER BACK DOOR CLOSER SWITCH |
|
(a) Remove the power back door closer switch
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Position |
Specified Condition |
|---|---|---|
|
5 - 8 |
Pushed (ON) |
Below 1 Ω |
|
5 - 8 |
Free (OFF) |
10 kΩ or higher |
(c) Reinstall the power back door closer switch.
|
|
3. |
CHECK HARNESS AND CONNECTOR (CLOSER SWITCH - DOOR DRIVE UNIT AND BODY GROUND) |
|
(a) Disconnect the O32 switch connector. |
(b) Disconnect the O30 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
O32-8 (DS1) - O30-4 (DS1) |
Always |
Below 1 Ω |
|
O32-5 (E) - Body ground |
Always |
Below 1 Ω |
|
O32-8 (DS1) - Body ground |
Always |
10 kΩ or higher |
(d) Reconnect the switch connector.
(e) Reconnect the ECU connector.
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