Touch Panel Switch Does Not Function

NAVIGATION: NAVIGATION SYSTEM (for HDD): Touch Panel Switch does not Function
- Touch Panel Switch does not Function

INSPECTION PROCEDURE

PROCEDURE

1. CHECK MULTI-DISPLAY (FOREIGN MATTER)

(a) Check if there is any foreign matter caught between the display and exterior frame of the multi-display.

OK:

No foreign matter is caught between the display and exterior frame of the multi-display.

HINT
If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.

NG -- REMOVE FOREIGN MATTER
OK -- Continue to next step.

2. CHECK TOUCH PANEL

(a) Check for foreign matter on the display.

OK:

The display is clean.

NG -- CLEAN DISPLAY AND RECHECK TOUCH PANEL
OK -- Continue to next step.

3. CHECK TOUCH SWITCH (OPERATION CHECK)





(a) Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check Operation Check.

(b) Touch the display in the area where the switch malfunction occurs.

OK:

A "+" mark appears at the touched position.

NG -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

OK -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Removal