Navigation System: Testing and Inspection
NAVIGATION SYSTEMINSPECTION
NOTE: If no problems are found in CHECK NAVIGATION OPERATION , CHECK CONNECTION and CHECK EACH VEHICLE SIGNAL as described below, check the navigation system circuit.
1. CHECK THE OPERATION OF THE NAVIGATION
Start the engine, and then inspect that the opening screen is displayed.
Standard value: The opening screen should be displayed.
OK: Normal
NG: When not displayed, check the connecting lines for the power supply connector at the back side of the audio unit. If there are no problems in the connecting lines or the lines were repaired, check that the opening screen is displayed.
At this point, if the display is not viewable, the unit is defective.
2. CHECK EACH CONNECTION
1. With the main power OFF, press and hold the button (c) for 3 seconds or more while pressing the buttons (a) and (b) simultaneously.
NOTE: Pressing the button (a) for 3 seconds or more, or turning the ignition switch from ACC OFF to ON position can exit the diagnostic mode.
2. Line Diag screen is displayed.
3. Check the connection status for each item listed in "Connectivity Check" displayed on the left of the screen.
OK: Each connection device is connected properly.
NG: No connection or abnormal connection is detected.
2. Check the connection status of the connector. If there are no problems, the connection device or unit could be faulty.
3. CHECK EACH VEHICLE SIGNAL
1. With the main power OFF, press and hold the button (c) for 3 seconds or more while pressing the buttons (a) and (b) simultaneously.
NOTE: Pressing the button (a) for 3 seconds or more, or turning the ignition switch from ACC OFF to ON position can exit the diagnostic mode.
2. Line Diag screen is displayed.
3. Check the connection status for each item listed in "Vehicle Signal Check" displayed on the right of the screen.
OK: Each connection device is connected properly.
- CHECK ILLUMINATION
NOTE: Before starting inspections, turn the ignition switch to ON.
1. Turn the lighting switch to level 1. Make sure that the bright switch is not turned ON at this time.
2. Make sure that "ON" lights in ILL+ and then the screen becomes dim.
ON: Normal.
OFF: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty.
- CHECK SPEED SENSOR
NOTE:
- Before starting inspections, check the safety around the vehicle.
- Lift up the vehicle as necessary.
- When the diagnostic trouble code is input in the VDCCM, perform the Clear Memory operation.
1. Drive the vehicle at 9 km/h (6 mph) or more.
2. Check that "ON" is displayed in SPD.
ON: Normal.
OFF: Vehicle speed is less than 7 km/h (4 mph), or malfunction is detected in the signal line. Check the signal line connector. If there are no problems, the unit could be faulty.
- CHECK PARKING BRAKE SIGNAL
1. Pull parking brake lever.
2. Check that "ON" is displayed in PKB.
ON: Normal.
OFF: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty.
- CHECK BACK SENSOR
NOTE: Before starting inspections, check the safety around the rear end of the vehicle and then turn the ignition switch to ON.
1. Pull the parking brake and depress the brake, then put the gear in reverse.
2. Check that "ON" is displayed in REV.
3. Check that "ON" is displayed in the IGN item.
ON: Normal.
OFF: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty.