Lexus ES: Switch Operation of Remote Touch not Accepted
CAUTION / NOTICE / HINT
NOTICE:
-
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.
Click here
.gif)
-
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. | START DIAGNOSTIC MODE |
(a) Activate diagnostic mode and check if the "Service Menu" screen can be displayed.
Click here
OK:
Diagnostic mode can be activated.
| NG |  | GO TO STEP 3 |
|
| 2. | CHECK PANEL SWITCH (OPERATION CHECK) |
| (a) Enter the "Panel&Steering Switch Check Mode" screen. Refer to Check Panel & Steering Switch in Operation Check. Click here |
|
.png)
(b) Operate the abnormal switch and check if the switch status is correctly displayed.
OK:
The switch status is correctly displayed as operated.
| OK | | REPLACE RADIO RECEIVER ASSEMBLY |
| NG | | GO TO STEP 3 |
| 3. | REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) SELF CHECK (SWITCH OPERATION CHECK) |
(a) Enter self-diagnostic mode.
Click here
| (b) Operate the remote touch screen in the upper left to turn the switch illumination off. NOTICE: Since the remote touch screen may recognize a pinch in/out or flick operation if operated with 2 fingers, always use 1 finger to operate the remote touch screen in self-diagnostic mode. |
|
(c) With the switch illumination turned off, press each switch of the remote touch (remote operation controller assembly) and check that the switch illumination turns on.
| Result | Proceed to |
|---|---|
| Self check mode cannot be activated. | A |
| Some switches do not turn on the switch illumination when they are pressed. | |
| All switches turn on the switch illumination when they are pressed. | B |
| A | | REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) |
| B | | REPLACE RADIO RECEIVER ASSEMBLY |
READ NEXT:
System Description
SYSTEM DESCRIPTION NAVIGATION SYSTEM OUTLINE (a) Vehicle position tracking methods It is essential that the navigation system correctly tracks the current vehicle position and displays it on the map.
System Diagram
SYSTEM DIAGRAM w/ Parking Assist Monitor System w/ Panoramic View Monitor System w/o Manual (SOS) Switch w/ Manual (SOS) Switch w/ Manual (SOS) Switch for 10 Speakers for 17 Speakers for 17
System Diagram
SYSTEM DIAGRAM w/ Parking Assist Monitor System w/ Panoramic View Monitor System w/o Manual (SOS) Switch w/ Manual (SOS) Switch w/ Manual (SOS) Switch for 10 Speakers for 17 Speakers for 17
SEE MORE:
LTA (Lane Tracing Assist)
When driving on highways and
freeways with white (yellow) lane
lines, this function alerts the driver
when the vehicle might depart from
its lane or course* and provides
assistance by operating the steering
wheel to keep the vehicle in its
lane or course*. Furthermore, the
system provides st
Communication Malfunction between ECUs Connected by LIN (B2785)
DESCRIPTION If the certification ECU (smart key ECU assembly) detects a communication error with an ECU connected to the certification bus lines for 7 seconds or more, DTC B2785 will be stored. DTC No. Detection Item DTC Detection Condition Trouble Area B2785 Communication Malfunction
