Lexus NX: Pointer not Displayed on Screen or Pointer does not Move

Lexus NX Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System / Pointer not Displayed on Screen or Pointer does not Move

CAUTION / NOTICE / HINT

NOTICE:

When replacing the radio receiver assembly, always replace it with a new one.

If a radio receiver assembly which was installed to another vehicle is used, the following may occur:

  • A communication malfunction DTC may be stored.
  • The radio receiver assembly may not operate normally.

HINT:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

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PROCEDURE

1.

CHECK FOR FOREIGN MATTER

(a) Check if there is water or foreign matter on the remote touch screen.

OK:

There is no water or foreign matter on the remote touch screen.

NG

GO TO STEP 3

OK

2.

REMOTE TOUCH SELF CHECK (CHECK TOUCH SCREEN OPERATION POSITION RECOGNITION CONDITION)

(a) Enter self-diagnostic mode.

Click here

(b) Operate the remote touch screen diagonally from the upper left to the lower right and check that the brightness of the switch illumination changes.

NOTICE:

Since the remote touch screen may recognize a pinch in/out operation if operated with 2 fingers, always use 1 finger to operate the remote touch in self-diagnostic mode.

OK:

Brightness changes according to touch screen operation.

Result

Proceed to

Brightness of the switch illumination changes according to remote touch screen operation.

A

Brightness of the switch illumination does not change according to remote touch screen operation.

B

Switch illumination continues to blink.

HINT:

When the switch illumination blinks, the remote touch has stored a DTC.

*a

Switch Illumination

*b

Touch Screen

A

REPLACE RADIO RECEIVER ASSEMBLY

B

GO TO STEP 4

3.

REMOVE FOREIGN MATTER

(a) Remove any water and foreign matter, and then wait approximately 30 seconds.

(b) Check that the pointer is displayed and moves normally.

OK:

The pointer is displayed and moves normally.

OK

END

NG

GO TO STEP 2

4.

CHECK REMOTE OPERATION CONTROLLER ASSEMBLY (REMOTE TOUCH)

(a) Replace the remote operation controller assembly (remote touch) with a new or known good one.

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(b) Check that the pointer is displayed and moves normally.

OK:

The pointer is displayed and moves normally.

OK

END (REMOTE OPERATION CONTROLLER ASSEMBLY [REMOTE TOUCH] IS DEFECTIVE)

NG

REPLACE RADIO RECEIVER ASSEMBLY

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