| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Vehicle Exterior | Section: Wiper/Washer | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002OXH008X |
| Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Headlight Cleaner Switch Circuit |
DESCRIPTION
This circuit detects the conditions of the headlight cleaner switch.
- Headlight cleaner switch signal
- Headlight operating signal
- Daytime running light operating signal
- Front washer motor operating signal
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK HEADLIGHT ASSEMBLY (LO BEAM) |
(a) Check that the headlights illuminate in LO beam.
OK:
Headlights illuminate in LO beam
|
|
2. |
INSPECT OUTER MIRROR SWITCH ASSEMBLY |
|
(a) Disconnect the E95 cleaner switch connector. |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
3 (B) - 4 (L) |
Headlight cleaner switch off |
10 kΩ or higher |
|
3 (B) - 4 (L) |
Headlight cleaner switch on |
Below 1 Ω |
|
|
3. |
CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH - HEADLIGHT CLEANER CONTROL RELAY AND MAIN BODY ECU) |
|
(a) Disconnect the relay connector. |
(b) Disconnect the E95 switch connector.
(c) Disconnect the 2D main body ECU connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2 (H) - E95-3 (B) |
Always |
Below 1 Ω |
|
E95-4 (L) - 2D-23 (HRLY) |
||
|
2 (H) - Body ground |
Always |
10 kΩ or higher |
|
E95-3 (B) - Body ground |
||
|
E95-4 (L) - Body ground |
||
|
2D-23 (HRLY) - Body ground |
|
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