Lexus ES: Pointer not Displayed on Screen or Pointer does not Move
CAUTION / NOTICE / HINT
NOTICE:
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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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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.
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.
| OK |  | GO TO STEP 3 |
|
| 2. | 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 |
|
| 3. | REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) SELF CHECK (CHECK REMOTE TOUCH SCREEN OPERATION POSITION RECOGNITION CONDITION) |
(a) Enter self-diagnostic mode.
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| (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 screen in self-diagnostic mode. OK: Brightness changes according to remote touch screen operation.
HINT: When the switch illumination blinks, the remote touch (remote operation controller assembly) has stored a DTC. |
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| A | | REPLACE RADIO RECEIVER ASSEMBLY |
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| 4. | CHECK REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) |
(a) Replace the remote touch (remote operation controller assembly) 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 TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) IS DEFECTIVE) |
| NG | | REPLACE RADIO RECEIVER ASSEMBLY |
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