Lexus NX: Inspection
INSPECTION
PROCEDURE
1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
| (a) Disconnect the automatic light control sensor connector. | | | *a | Front view of wire harness connector (to Automatic Light Control Sensor) | | |
(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
| J6-1 (CLTB) - J6-2 (CLTE) | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V |
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| J6-2 (CLTE) - Body ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
| (c) Reconnect the automatic light control sensor connector. | | | *a | Component with harness connected (Automatic Light Control Sensor) | | |
(d) Connect an oscilloscope to the automatic light control sensor connector.
| (e) Check the waveform. OK: | Tester Connection | Tool Setting | Condition | Specified Condition | | J6-4 (CLTS) - J6-2 (CLTE) | 2 V/DIV., 10 ms./DIV. | Power switch on (IG), light control switch in AUTO position | Correct waveform is as shown | HINT: The communication waveform changes according to the surrounding brightness. If the result is not as specified, the automatic light control sensor may be malfunctioning. | |
READ NEXT:
INSTALLATION PROCEDURE 1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR (a) Attach the 2 claws to install the automatic light control sensor. 2. INSTALL NO. 1 SPEAKER OPENING COVER ASSEMBLY Click here 3.
COMPONENTS ILLUSTRATION *1 CLEARANCE LIGHT ASSEMBLY LH *2 FRONT BUMPER ASSEMBLY *3 FRONT TURN SIGNAL LIGHT BULB - -
SEE MORE:
CHECK MODE PROCEDURE HINT: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode. NOTICE: All the stored DTCs and freeze frame data are cleared if: 1) the ECM is changed from normal mode to check mo
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of switches,
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