System Diagnosis Test
System Diagnosis TestStart-up procedure
1. Turn the ignition switch ON (II), press "OK" on the disclaimer screen, then press and hold the keys in this order: (1) MENU Key. (2) MAP/GUIDE Key, (3) CANCEL Key, and keep them pressed simultaneously for 5 seconds.
2. After the display changes to the diagnosis menu screen, touch the item you want to check, and the check will start. To return to the previous screen, touch the "RETURN" switch on the diagnosis screen.
- System Links.
- Tire Calibrate.
- Monitor Check.
- Yaw Rate.
- Unit Check.
- Cyclic Diag.
- In-line Diag.
System Links
- During diagnosis, all of the communication lines connecting the components are shown in yellow.
- If the system is OK, all of the communication lines connecting the components will change to green, the screen will indicate "OK", and a tone will sound.
- If there is a problem in the system, the faulty communication line will change to red, the screen will indicate "NG", and a tone will sound.
- The indication on the screen will not change until the ignition switch is cycled. After repairing the system, turn the ignition switch OFF to reset the system, then return to the Diagnosis Menu screen, and run system Links again.
Tire Calibrate
- The "AUTO TUNING" is factory-set to "ON", and it should remain on. If you find it has been turned OFF, turn it back ON.
- The "TIRE-CAL TUNING" can be used, but it is not recommended. The AUTO TUNING function keeps the system in better tune.
Yaw Rate
"SENSOR" indicator the voltage output from the yaw rate sensor. It should indicate 1.500 to 3.500 V with the vehicle stopped.
NOTE: Do not try to tune the yaw rate sensor unless instructed by American Honda.
Cyclic Diag
In this test, check the following items repeatedly:
- Navigation unit check
- Monitor check (except switch test)
To exit this test, press the CANCEL key
In-Line Diag
In this test, you can check following item:
- System links
- Car status
- Yaw rate
Monitor Check
Touch the item you want to check, and the check starts.
RGB COLOR
The three primary colors of red, green and blue must be shown.
WHITE RASTER
The entire display must be shown in white.
Switch Check
Each switch must be shown on the display and each switch must reverse and sound, when touched.
Test Pattern
All 32 colors including black must be indicated (including the back ground color).
Black Raster
The entire display must be shown in black.
Color Change
This screen is for the manufacturer's use only.
Unit Check
Touch the item you want to check, and the check starts.
NOTE: Do not use "Force Download", This command is for the manufacturer's use only.
Disp
When the connection is NG.
First check for loose terminals at the navigation unit and the display unit connectors.
Next check for an open or short in the communication line between the navigation unit and the display unit. If the line is OK, replace the display unit. If the line is found to have an open or short, replace the affected shielded harness.
When the ROM or RAM is NG.
Replace the display unit.
System History
This screen is for the manufacturer's use only.
NOTE: Do not touch the CLR switch. Touching the CLR switch will clear the system history.
GPS Information
This screen shows the condition of the GPS reception and the vehicle position.
The vehicle should be parked out side away from building, tall trees, high tension lines for 10 minutes with motor running.
The number of satellites box should contain at least three yellow satellite icons.
Car Status
Use the car status screen to check each signal. If the indication does not match the actual vehicle status, check the applicable signal line.
- VSP (vehicle speed pulse indication)
- OFF when vehicle is not moving
- ON when vehicle is moving
- BACK (reverse indication)
- OFF when shift lever is in any position other than reverse
- ON when shift lever is in reverse
- CHG (charging indication)
- ON when engine is running and alternator is charging
- OFF when engine is off or alternator is not charging
- ILL (illumination indication)
- OFF when parking lights or headlights are off
- ON when parking lights or headlights are on
Navi ECU
When any item is NG, replace the navigation unit.
Back-up Clear
This screen is for manufacture's use only.