Lexus NX: Diagnosis System

DIAGNOSIS SYSTEM

PARKING ASSIST MONITOR DIAGNOSIS SYSTEM

(a) For parking assist monitor system diagnosis, signals received by the radio receiver assembly can be checked and the parking assist monitor system can be calibrated, adjusted and checked using the radio receiver assembly.

NOTICE:

Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed.

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HINT:

The displayed items may differ depending on vehicle specifications.

DIAGNOSIS SCREEN TRANSITION (DURING PARKING ASSIST MONITOR SYSTEM INITIALIZATION)

DIAGNOSIS SCREEN TRANSITION (AFTER PARKING ASSIST MONITOR SYSTEM INITIALIZATION)

VEHICLE SIGNAL CHECK

(a) Start diagnostic mode.

w/ Navigation System:

Click here

w/ Audio and Visual System:

Click here

(b) Select "Function Check/Setting" on the "Service Menu" screen to display the "Function Check/Setting I" screen.

(c) Select "Vehicle Signal" on the "Function Check/Setting I" screen.

NOTICE:

If the "Camera Setting" selection screen is not displayed, turn the power switch off and enter the diagnosis screen after turning the power switch on (IG) once again.

(d) Vehicle Signal Check Mode

(1) When the "Vehicle Signal Check Mode" screen is displayed, check the item displayed for "REV".

HINT:

  • Only conditions having inputs are displayed.
  • This screen displays vehicle signals input to the radio receiver assembly.

(e) Finish diagnostic mode.

w/ Navigation System:

Click here

w/ Audio and Visual System:

Click here

CAR SIGNAL CHECK (PARKING ASSIST MONITOR SYSTEM INPUT SIGNALS)

(a) Start diagnostic mode.

w/ Navigation System:

Click here

w/ Audio and Visual System:

Click here

(1) Select "Function Check/Setting" on the "Service Menu" screen to display the "Function Check/Setting I" screen.

(2) Select "Camera Setting" on the "Function Check/Setting I" screen.

NOTICE:

If the "Camera Setting" selection screen is not displayed, turn the power switch off and enter the diagnosis screen after turning the power switch on (IG) once again.

HINT:

After "Next" is selected, the screen transitions differ depending on whether initialization of the parking assist monitor system was performed after the radio receiver assembly was replaced.

Parking Assist Monitor System Initialization

Screen Transition

Not performed

Car Signal Check screen

Performed

Mode Setting screen

(3) When the screen changes to the "Mode Setting" screen, select "Back Camera Setting" to display the "Signal Check" screen.

HINT:

To select a grayed out item, select and hold the item for 2 seconds or more.

(b) Signal Check

(1) On the "Signal Check" screen, it is possible to inspect the state of signals and check the settings.

Item

Inspection Detail

Note

CAN

CAN communication signal input

When "CHK" (red) is displayed, selecting "Next" will not change to the next screen.

HINT:

  • When "CHK" (red) is displayed, perform inspections based on the result of the following inspections.
  • If performing the adjustment after proceeding to the next screen, confirm that all items display "OK" (blue) before selecting "Next".

(c) CAN inspection

HINT:

If "CHK" (red) is displayed for "CAN", check for DTCs and perform troubleshooting based on the output DTCs.

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(d) Finish diagnostic mode.

w/ Navigation System:

Click here

w/ Audio and Visual System:

Click here

CAMERA SYNCHRONOUS ERROR HISTORY

HINT:

This function is used to check the date and time of occurrence when a camera synchronous error occurs.

(a) Check camera synchronous error history.

(1) Connect the Techstream to the DLC3.

(2) Turn the power switch on (IG).

(3) Turn the Techstream on.

(4) Enter the following menus: Body Electrical / Navigation System / Utility / Camera Synchronous Error History.

Body Electrical > Navigation System > Utility

Tester Display

Camera Synchronous Error History

(5) When an item is stored for Camera Synchronous Error History, record it before repairing the radio receiver assembly and rear television camera assembly.

HINT:

Camera Synchronous Error History can store up to 5 history data items. If a new camera synchronous error occurs when 5 data items have already been stored, the oldest data is cleared and the new data is stored.

(b) Clear camera synchronous error history.

(1) When DTCs are cleared using any of the following operations, Camera Synchronous Error History will be cleared as well.

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  • Cleared using the Techstream.
  • Cleared using the system check mode screen.
  • Cleared using the unit check mode screen.

VIDEO DEVICE CONNECTION CHECK

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CALIBRATION WHEN SERVICING VEHICLE

NOTICE:

Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed.

Click here

READ NEXT:

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Parking Assist Camera / Trou

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST 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 pa

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Parking Assist Monitor System DTC No. Detection Item Link C1611 ECU Malfunction C1621 Back Camera Power Supply Failure C1625 Open or Sh

SEE MORE:

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN MOTOR (a) Disconnect the cooling fan motor connector. (b) Check that the fan rotates smoothly by hand. (c) Check that the cooling fan motor turns smoothly when the battery is connected to the cooling fan motor connector. Click here

 Components

COMPONENTS ILLUSTRATION *1 CLEARANCE LIGHT ASSEMBLY LH *2 FRONT BUMPER ASSEMBLY *3 FRONT TURN SIGNAL LIGHT BULB - -

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