- Malfunction of light sensor
| Last Modified: 4-30-2014 | 6.6 C | Doc ID: RM0000018BY000X |
| Model Year: 2006 | Model: LX470 | Prod Date Range: [05/2005 - ] |
| Title: LIGHTING: LIGHTING SYSTEM: B1244; Light Sensor Circuit Malfunction; 2006 MY LX470 [05/2005 - ] | ||
|
DTC |
B1244 |
Light Sensor Circuit Malfunction |
DESCRIPTION
This DTC is output when failure of the light control sensor circuit is detected.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B1244 |
|
|
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
When using the intelligent tester, start from *1. When not using intelligent tester, start from *2.
PROCEDURE
|
1. |
CHECK AUTOMATIC LIGHT CONTROL SENSOR*1 |
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch on and intelligent tester main switch on.
(c) The value of the illumination rate should change in the following range when the light sensor is put in the light or covered by a hand.
OK:
0.8 to 22.0 ms
HINT:
This is the time to be taken for the light sensor to generate one circle of frequency according to the brightness.
| OK |
|
|
|
2. |
CHECK WIRE HARNESS (BODY ECU (MAIN) - AUTOMATIC LIGHT CONTROL SENSOR)*2 |
| NG |
|
|
|
3. |
INSPECT AUTOMATIC LIGHT CONTROL SENSOR |
(a)
Inspect automatic light control sensor
![2006 MY LX470 [05/2005 - ]; LIGHTING: AUTOMATIC LIGHT CONTROL SENSOR: ON-VEHICLE INSPECTION](../../../../stylegraphics/info.gif "2006 MY LX470 [05/2005 - ]; LIGHTING: AUTOMATIC LIGHT CONTROL SENSOR: ON-VEHICLE INSPECTION")
.
| NG |
|
| OK |
|
|
|