Lexus NX: Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
NOTICE:
After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 6 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal.
(a) If the cable has been disconnected from the negative (-) auxiliary battery terminal before 60 seconds has elapsed, it is necessary to initialize the system. To initialize the system, perform the following procedures:
-
Move the vehicle to an open area with good GPS reception.
HINT:
The "No GPS signal" icon is not displayed on the map screen when the reception is good.
- Turn the power switch on (IG), and then wait several minutes while the system acquires time and location data and activates Destination Assist and Destination.
PRECAUTION FOR LEXUS ENFORM SYSTEM
(a) If replacing the DCM (telematics transceiver), refer to Work Procedure of When Replacing or Removing/Installing Parts.
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(1) DCM (telematics transceiver)
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System Diagram
SYSTEM DIAGRAM
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the LEXUS ENFORM system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK NOTICE: When using both Fleet Apps and Infotainment Apps together at the same time, it is not possible to remove only one type of app. By using "Delete all personal data from the head
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Glass Humidity Sensor Circuit (B14AA)
DESCRIPTION The air conditioning thermistor assembly (glass humidity sensor) detects cabin humidity. The voltage of the air conditioning thermistor assembly (glass humidity sensor) changes in accordance with cabin humidity. The air conditioning amplifier assembly reads the changes in output voltage
Calibration
CALIBRATION DESCRIPTION (a) After replacing any VSC related components or performing wheel alignment adjustment, clear and read the sensor calibration data. Refer to the table below and then perform the necessary operation according to the part to be replaced in order to perform calibration. Part
