PINPOINT TEST B : MAP DISC WILL NOT INSERT/EJECT
NOTE: Ensure the parking brake is applied, and ignition status is set to Auxiliary or ON. TEST
CONDITIONS DETAILS/RESULTS/ACTIONS B1: CHECK NAVIGATION DISC SLOT SHUTTER 1 Check the navigation map disc slot shutter is open. Is the navigation map disc slot shutter is open? Yes
GO to B2. No
Open the map disc slot shutter.
GO to B2. B2: CHECK NAVIGATION MAP DISC WILL INSERT/EJECT 1 Check that it is possible to insert/eject navigation map disc. Is it possible to insert/eject navigation map disc? Yes
Operation is normal.
No
Refer to the electrical circuit diagrams and check power supply and ground connections to the Navigation
Control Module (NCM). If power supply and ground connections are good, install a new Navigation Control
Module (NCM) as required. Refer to the new module/component installation note at top of DTC Index.
PINPOINT TEST C : BLACK SCREEN (NAVIGATION MAP SCREEN DOES NOT DISPLAY)
NOTE: Ensure the parking brake is applied, and ignition status is set to Auxiliary or ON. TEST
CONDITIONS DETAILS/RESULTS/ACTIONS C1: CHECK SCREEN SAVER FUNCTION 1 Check the screen saver function operation. Does the screen saver function operate? Yes
Press the display panel button.GO to C2. No
GO to C2. C2: CHECK DISPLAY BACKLIGHT 1 Check the display backlight operation. Does the display backlight operate? Yes
Refer to the electrical circuit diagrams and check the GVIF cable between Navigation Control Module
(NCM) and HLDF screen is properly connected.
If the GVIF cable between Navigation Control Module (NCM) and HLDF screen is properly connected, check
and install a new GVIF cable as required. Refer to the new module/component installation note at top of
DTC Index.
If the GVIF cable between Navigation Control Module (NCM) and HLDF screen is properly connected and
NOT damaged, check and install a new Navigation Control Module (NCM) as required. Refer to the new
module/component installation note at top of DTC Index.
Re-check the system.
No
Check the HLDF display.
Re-check the system.
PINPOINT TEST D : NAVIGATION MAP SCREEN COLOUR IS ABNORMAL TEST
CONDITIONS DETAILS/RESULTS/ACTIONS D1: COLOUR BAR CHECK 1 Carry out the display diagnostics 'colour bar check' (PIN code 660). Are the results of the display diagnostics 'colour bar check' normal? Yes
Check the HLDF display.
Re-check the system.
No
Check the condition of the map disc for dirt or scratches.
Refer to the electrical circuit diagrams and check the GVIF cable between Navigation Control Module
(NCM) and HLDF screen is properly connected.
If the GVIF cable between Navigation Control Module (NCM) and HLDF screen is properly connected, check
and install a new GVIF cable as required. Refer to the new module/component installation note at top of
DTC Index.
If the GVIF cable between Navigation Control Module (NCM) and HLDF screen is properly connected and
NOT damaged, check and install a new Navigation Control Module (NCM) as required. Refer to the new