Appendix B
Troubleshooting
1.
Picture does not come up on monitor.
Check all connections of video cable – from camera cable to monitor.
2.
No data screens are displayed on the monitor.
Check the data link connection and verify that you are getting 12 volts switched and unswitched power.
Check camera and monitor connections and verify they are correct.
3.
The TODAY screen does not come up and the initialization screen stays on the monitor.
Check the data link connection and verify the positive and negative are connected properly.
Checking
output
voltage
of data link from engine:
Positive
DataLink
4-5
VDc
Negative
DataLink 0-1
VDc
4.
When the ignition is turned on the initialization screen always comes up resetting the first three screens to
zero.
Power to system is connected to ignition (switched). Change to unswitched power.
5.
Keys are not functioning properly on keypad.
Check that keypad connector is plugged in securely.
6.
The data on the screen has a jitter.
Check all ground connections and they are grounded properly.
