Inspection of navigation function

Operation inspection
1. Check that the opening screen is displayed after starting the engine.
  OK: Normal
  
  NG: Check the following items if not displayed.
  - Is a map disc (SD card) inserted into the navigation unit?
  - Check the wiring connection of the power cord at backside of the navigation unit. If there are no wiring problems or you have repaired the wiring, check that the opening screen is displayed.
2. The unit is defective if the screen is not displayed.
Connections inspection
1. Display the diagnostic mode.
  1. With the power off, press and hold the AUDIO and TALK buttons while pressing and holding the MAP button for three seconds or more.
  2. Display the {Line Diag} screen.
    NOTE: You can cancel diagnostic mode by pressing the AUDIO button, or by moving the ignition switch from OFF to ACC.
2. Check the connection status by using the {Connectivity Check} item of the {Line Diag} screen.
  OK: All connected devices are properly connected.
  
  NG: A device is not connected or there is a fault in the connection status.
  
  NOTE: Check the external connection terminals (USB) by connecting a memory for checking, and check the connections.
3. Inspect the connection status of connectors, and if there are no problems found, it is probable that a connected device or the main unit is defective.
Inspection of vehicle signals
1. Display the diagnostic mode in the same manner as when inspecting connections.
2. Check the connection status by using the {Vehicle Signal Check} item of the {Line Diag} screen.
  1. Illumination inspection
    NOTE:
    Turn the ignition switch to ON before starting the inspection.
    
    Turn the headlight dimmer switch to the parking position.
    Check that the light control rheostat does not turn ON at this time.
    
    Check that {ON} of the ILL+ item is lit up and the screen goes dark.
    ON: Normal
    
    OFF: Fault Inspect the signal wire connectors, and if there are no problems found, it is probable that the main unit is defective.
  2. Inspection of the speed sensor
    NOTE:
    Check that the area around the vehicle is safe before starting the inspection.
    
    It is helpful to lift up the vehicle.
    
    Clear the memory if any diagnostic codes are input into the VDC Control Module.
    1. Drive the vehicle at a speed of 9 km/h (6 mph) or more.
    2. Check that {ON} is displayed for the SPD item.
      ON: Normal
      
      OFF: Speed was less than 7 km/h (4 mph) or the signal line is faulty. Inspect the signal wire connectors, and if there are no problems found, it is probable that the main unit is defective.
  3. Inspection of parking brake signal
    1. Pull the parking brake lever.
    2. Check that {ON} is displayed for the PKB item.
      ON: Normal
      
      OFF: Fault Inspect the signal wire connectors, and if there are no problems found, it is probable that the main unit is defective.
  4. Inspection of the back sensor
    NOTE: Check that the area behind the vehicle is safe before starting the inspection. Turn the ignition switch to ON.
    1. With the parking break lever pulled and the brake pedal depressed, move the select or gearshift lever to reverse.
    2. Check that {ON} is displayed for the REV item.
      ON: Normal
      
      OFF: Fault Inspect the signal wire connectors, and if there are no problems found, it is probable that the main unit is defective.