GPS Mark does not Appear

1. Check the GPS mark display (At a place with a fine view, is GPS mark displayed or not?).

OK: 

GPS mark is displayed. 

OK: NORMAL 

NG: Go To Next Step 

1. Check if the harness is caught or sharply bent or not?

NG: GPS ANTENNA IS SURELY CONNECTED 

OK: Go To Next Step 

1. Check if the sun shade film and other optional components are installed.

OK: 

Optional component(s) installed. 

HINT:

Some optional components receive radio signals.

OK: REMOVE OR CHANGE POSITION OF OPTIONAL COMPONENT (IF THIS HAPPENS, GPS RECEPTION MAY BE AFFECTED) 

NG: Go To Next Step 

1. Check for DTC (is "58-40" or "58-41" displayed in the unit check mode of the navigation ECU?) (See DTC CHECK / CLEAR  ).

OK: 

No DTC(s) is output. 

NG: TROUBLESHOOT FOR EACH DIAGNOSIS 

OK: REPLACE GPS ANTENNA (IF THE TROUBLE STILL OCCURS, REPLACE NAVIGATION ECU)