Honda 2007 Acura RL User Manual page 87

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL
When the connection is NG, first check for loose terminals at the navigation unit and the display unit
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connections. Next check for an open or short in the communication line between the navigation unit
and the display unit. If you find the line to have an open or short, replace the affected shielded
harness.
If the ROM or RAM is NG, replace the display unit.
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The version represents the software version in the display.
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Fig. 62: Screen Display - Display
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Radio
This diagnostic checks the audio connections. If not OK, do the troubleshooting for the audio system.
Fig. 63: Screen Display - Radio
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Navi ECU
This screen looks for problems with the navigation unit. When you initiate this diagnostic, the navigation
unit may delay up to a minute while the diagnostic runs.
NOTE: Do not try to end this diagnostic by pressing "OK" or "Mem clear" before it
finishes, otherwise the system may reboot.
If "V-RAM" or "D-RAM" is NG, then replace the navigation unit.
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If "GPS" indicates "NG (ANT)," then check the entire GPS antenna wire from the navigation unit to
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the antenna. If the wire is crushed or damaged, try a known good antenna. If this diagnostic reads OK,
then order a new GPS antenna. If the diagnostic still reads NG (ANT), then replace the navigation
unit.
"DVD ROM" represents the database version on the DVD. You can find this information either in the
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Setup Screen "Version," or in the Diagnostic Screen "Version."
2007 Acura RL