Lexus NX: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT RAIN SENSOR
(a) Remove the rain sensor cover.
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(b) Disconnect the rain sensor connector. | | *a | Front view of wire harness connector (to Rain Sensor) | | |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
4 (SIG) - Body ground | Power switch on (IG) | 11 to 14 V |
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
2 (ES) - Body ground | Always | Below 1 Ω |
If the result is not as specified, repair or replace the harness or connector.
(e) Reconnect the rain sensor connector.
(f) Connect an oscilloscope to the rain sensor connector.
(g) Check for pulses. OK Tester Connection | Condition | Specified Condition | 1 (MPX) - 2 (ES) | Power switch on (IG) | Pulse generation | If the result is not as specified, replace the rain sensor. | | *a | Component with harness connected (Rain Sensor) | | |
(h) Install the rain sensor cover.
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READ NEXT:
REMOVAL PROCEDURE 1. REMOVE RAIN SENSOR COVER (a) Detach the 2 claws and remove the rain sensor cover. 2. REMOVE RAIN SENSOR (a) Disconnect the connector. (b) Release
INSPECTION PROCEDURE 1. INSPECT MAP LIGHT ASSEMBLY (RAIN SENSOR CIRCUIT) (a) Remove the map light assembly. Click here (b) Measure the resistance according to the value(s) in the table below. Sta
INSTALLATION PROCEDURE 1. INSTALL RAIN SENSOR TAPE NOTICE: The rain sensor tape is reusable. Only replace the tape if it is damaged or contaminated. (a) Clean the rain sensor sensing portion with a pi
SEE MORE:
COMPONENTS ILLUSTRATION *1 FRONT FLOOR COVER CENTER LH *2 FUEL TANK VENT HOSE SUB-ASSEMBLY *3 NO. 1 FLOOR UNDER COVER *4 NO. 1 FUEL TANK BAND *5 NO. 2 FUEL TANK BAND - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 FUEL HOSE PROTECTOR
PROBLEM SYMPTOMS TABLE HINT:
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
If the problem only occurs in certain locations or at certain times of day, check for wave interference.
If optional components are installed, check for wave interfere
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