Navigation System: Testing and Inspection Navigation System INSPECTION NOTE: If no problems are found in "CHECK NAVIGATION OPERATION", "CHECK EACH CONNECTION" and "CHECK EACH VEHICLE SIGNAL" as described below, check the
navigation system circuit.
1. CHECK NAVIGATION OPERATION Start the engine and check that the opening screen is displayed. Standard: Opening screen is displayed.
OK: Normal.
NG: If the screen is not displayed, check the following items.
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The map disk (DVD-ROM) is set in the
navigation system unit
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Check the connection of the power supply connector at the backside of the navigation unit. If wire connection is correct or has got repaired, check again that the opening screen is displayed.
If it is not displayed at this time, it indicates the navigation unit trouble.
2. CHECK EACH CONNECTION 1.
Press the <
> key to display the AUDIO OFF screen. 2. Touch the screen in the order of (1) to (6) shown in the figure. 3. The display will switch to the Dealer Diag Menu screen. - CHECK MICROPHONE, AUX AND REARVIEW CAMERA NOTE: Before starting inspections, check the safety around the rear end of the vehicle and then turn the ignition switch to ON. 1. Touch {Connection Info.} on the <> screen. 2. Check that "Connect" is displayed in all the MIC, AUX and Camera items. NOTE: {AUX} item is not displayed, if the suitable mini jack is not inserted in the AUX terminal in the console box. Connect: Normal. NC: Abnormal. Check the signal line connection. If there are no problems, the unit could be faulty. - CHECK GPS ANTENNA NOTE: When checking the GPS antenna, perform the check operation outdoors to improve the receiver sensitivity. 1. Touch {Vehicle Signal Info.} on the <> screen. 2. Check that "Connect" is displayed in the GPS Antenna item. Connect: Normal. NC: Abnormal. Check the GPS antenna connection. - CHECK UART COMMUNICATION NOTE: When checking the GPS antenna, perform the check operation outdoors to improve the receiver sensitivity. 1. Touch {Vehicle Signal Info.} on the <> screen. 2. Check that "ON" is displayed in the UART signal item. OK: Normal. NG: Abnormal. Check the signal line connection. If there are no problems, the unit could be faulty. NOTE: If the UART signal line connector is not connected, the marker line is not displayed when the rearview camera image is displayed. 3. CHECK EACH VEHICLE SIGNAL 1. Press the <> key to display the AUDIO OFF screen. 2. Touch the screen in the order of (1) to (6) shown in the figure. 3. The display will switch to the Dealer Diag Menu screen. - CHECK BACK SENSOR 1. Touch {Vehicle Signal Info.} on the <> screen. 2. Turn the parking brake switch to ON and depress the brake pedal, then put the gear in reverse. 3. Make sure that "ON" is displayed in the Reverse item. ON: Normal. OFF: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty. - CHECK IGNITION SWITCH. 1. Touch {Vehicle Signal Info.} on the <> screen. 2. Make sure that "ON" lights in the IGN item 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. Touch {Vehicle Signal Info.} on the <> screen. 2. Move the vehicle slowly 2 to 3 meters (6.6 to 9.8 ft). 3. Check that "ON" is displayed in the Speed item. ON: Normal. OFF: OFF: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty. - CHECK PARKING BRAKE Touch {Vehicle Signal Info.} on the <> screen. NOTE: Because the navigation unit does not read the parking brake signal, OFF is displayed constantly. 4. CHECK DVD-ROM Insert a DVD-ROM (region code 1) into the navigation unit and play it, and the screen switches to the image from DVD. NOTE: Region code 1 is the code for DVD-ROM designated for United States of America and Territories of the United States, Canada, Bermuda islands. DVD-ROMs of different region code cannot be played. Standard: DVD images are displayed. OK: Normal. NG: If DVD images are not displayed, check the following points. If no problems are found, the navigation unit is faulty. - Is a DVD-ROM set in the navigation unit? - Is the DVD-ROM set in the unit properly? - Is a correct type of DVD (DVD-VIDEO only) used? - Is the playing side dirty or damaged? NOTE: - DVD images cannot be displayed while driving or the parking brake is not applied. - The rear entertainment system cannot play MP3 files and DVD-Audio. 5. MESSAGE LIST