| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Vehicle Exterior | Section: Wiper/Washer | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000003FWD000X |
| Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Rear Wiper Motor Circuit |
DESCRIPTION
The No. 2 main body ECU controls the rear wiper motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (REAR WIPER MOTOR) |
(a) Using the Techstream, perform the Active Test.
Body No. 4
|
Item |
Test Details |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Rear Wiper Lo |
Rear wiper motor LO operation |
ON / OFF |
- |
OK:
Rear wiper motor operates.
|
|
2. |
INSPECT REAR WIPER MOTOR |
|
(a) Remove the rear wiper motor
|
(b) Apply battery voltage to the rear wiper motor connector and check if the rear wiper motor operates.
OK:
|
Measurement Condition |
Specified Condition |
|---|---|
|
Battery positive (+) → Terminal 3 (+1) Battery negative (-) → Terminal 4 (E) |
Motor operates |
|
|
3. |
CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR - NO. 2 MAIN BODY ECU AND BODY GROUND) |
|
(a) Disconnect the S6 motor connector. |
(b) Disconnect the L33 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
S6-2 (B) - L33-3 (W) |
Always |
Below 1 Ω |
|
S6-3 (+1) - L33-2 (RWLM) |
||
|
S6-1 (S) - L33-1 (RWSM) |
||
|
S6-4 (E) - Body ground |
||
|
S6-2 (B) - Body ground |
Always |
10 kΩ or higher |
|
S6-3 (+1) - Body ground |
||
|
S6-1 (S) - Body ground |
|
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