Lexus ES: Automatic High Beam Switch Indicator does not Come ON
DESCRIPTION
When the automatic high beam system is on, the steering sensor illuminates the automatic high beam switch indicator.
WIRING DIAGRAM
PROCEDURE
| 1. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Steering Angle Sensor / Data List.
(e) Read the Data List according to the display on the Techstream.
Chassis > Steering Angle Sensor > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Auto High Beam Main Switch | Automatic high beam switch signal | OFF or ON | OFF: Automatic high beam switch off ON: Automatic high beam switch on | - |
| Tester Display |
|---|
| Auto High Beam Main Switch |
OK:
Normal conditions listed above are displayed.
| OK | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
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| 2. | INSPECT TURN SIGNAL SWITCH |
(a) Remove the turn signal switch.
Click here .gif)
(b) Inspect the turn signal switch.
Click here
| NG | | REPLACE TURN SIGNAL SWITCH |
|
| 3. | INSPECT STEERING WHEEL SWITCH HOUSING |
(a) Remove the steering wheel switch housing.
Click here
(b) Inspect the steering wheel switch housing.
Click here
| OK | | REPLACE STEERING SENSOR |
| NG | | REPLACE STEERING WHEEL SWITCH HOUSING |
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Headlight Dimmer Switch Circuit
DESCRIPTION The steering sensor receives the following switch information:
Light control switch in DRL OFF*1, off*2, tail, head or AUTO position
Dimmer switch in high, low or high flash (pass) po
Headlight Dimmer Switch Circuit
DESCRIPTION The steering sensor receives the following switch information:
Light control switch in DRL OFF*, tail, head or AUTO position
Dimmer switch in high, low or high flash (pass) position
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Components
COMPONENTS
ILLUSTRATION
*1
CENTER NO. 4 ENGINE UNDER COVER
-
-
ILLUSTRATION
*1
OIL FILTER SUB-ASSEMBLY
*2
OIL FILLER CAP SUB-ASSEMBLY
*3
GASKET
Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here PROCEDURE 1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY Click here 2. REMOVE NO. 3 BRAKE TUBE CLAMP (a) Dis
