Pinpoint Test C : The hard switches do not respond.

C1: CHECK FOR FOREIGN OBJECTS
Check for foreign objects near to the button.

Are there any foreign objects close to the button causing it to be pressed?

YES: Remove foreign objects and re-test vehicle.

NO: Go to step 2.
C2: DISPLAY DIAGNOSTICS CHECK
Check to see if the display diagnostics can be displayed.

Can the display diagnostics be displayed?

YES: Proceed to the next step.

NO: Check and install a new Touch Screen Display (TSD) as required. Refer to the new module/component installation note at top of DTC Index.
C3: HARD KEY TEST
Carry out the display diagnostics hard key test.

Is the operation normal when carrying out the display diagnostics hard key test?

YES: Operation is normal.

NO: Check and install a new Touch Screen Display (TSD) as required. Refer to the new module/component installation note at top of DTC Index.