| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Vehicle Exterior | Section: Window/Glass | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000000XHZ00PX |
| Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Rear Power Window RH does not Operate with Rear Power Window Switch RH |
DESCRIPTION
If the manual up/down function does not operate, there may be a malfunction in the rear power window regulator switch, rear power window regulator motor RH, harness or connector.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK LIN COMMUNICATION SYSTEM |
(a) Check for LIN communication system DTCs related to the power window control system
.
OK:
LIN communication system DTCs are not output.
|
|
2. |
CHECK FOR DTC (B2312) |
(a) Check if DTC B2312 is output
.
OK:
DTC B2312 is not output.
|
|
3. |
READ VALUE USING TECHSTREAM (REAR POWER WINDOW REGULATOR MOTOR RH) |
(a) Use the Data List to check if the power window regulator motor is functioning properly
.
RR-Door Motor
|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
RR Door P/W Up SW |
Rear power window RH manual up signal / ON or OFF |
ON: Rear power window RH manual up switch operated OFF: Rear power window RH switch not operated |
- |
|
RR Door P/W Down SW |
Rear power window RH manual down signal / ON or OFF |
ON: Rear power window RH manual down switch operated OFF: Rear power window RH switch not operated |
- |
OK:
Techstream display changes according to operation of rear power window switch RH.
|
|
4. |
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH RH - BODY GROUND) |
|
(a) Disconnect the J3 switch connector. |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
J3-5 (GND) - Body ground |
Always |
Below 1 Ω |
|
|
5. |
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR MOTOR RH - BATTERY AND BODY GROUND) |
|
(a) Disconnect the J4 motor connector. |
(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
J4-2 (B) - Body ground |
Always |
11 to 14 V |
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
J4-1 (GND) - Body ground |
Always |
Below 1 Ω |
|
|
6. |
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH RH - REAR POWER WINDOW REGULATOR MOTOR RH) |
|
(a) Disconnect the J3 switch connector. |
(b) Disconnect the J4 motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
J3-2 (UP) - J4-10 (UP) |
Always |
Below 1 Ω |
|
J3-10 (DOWN) - J4-7 (DOWN) |
Always |
Below 1 Ω |
|
J3-4 (AUTO) - J4-4 (AUTO) |
Always |
Below 1 Ω |
|
J3-2 (UP) or J4-10 (UP) - Body ground |
Always |
10 kΩ or higher |
|
J3-10 (DOWN) or J4-7 (DOWN) - Body ground |
Always |
10 kΩ or higher |
|
J3-4 (AUTO) or J4-4 (AUTO) - Body ground |
Always |
10 kΩ or higher |
|
|
7. |
INSPECT REAR POWER WINDOW REGULATOR SWITCH RH |
(a) Remove the rear power window regulator switch RH
.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
J3-2 (UP) - J3-5 (GND) |
Manual up operation |
Below 1 Ω |
|
J3-10 (DOWN) - J3-5 (GND) |
Manual down operation |
Below 1 Ω |
|
|
|