Honda 2007 Acura RL User Manual page 64

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL
Fig. 46: Identifying Navigation Unit Connector A (20P) Wire Side
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there more than 0.2 V to ground on any wire?
YES - Repair short to power on the affected wire(s).
NO - Go to step 9.
9. Substitute and a known-good climate control unit. Reconnect all connectors and retest.
Does the symptom go away?
YES - Replace the original climate control unit.
NO - Replace the navigation unit.
DISPLAY DAY/NIGHT MODE DOES NOT WORK
NOTE:
Make sure the remotes are linked. This is indicated when the MID

displays "Welcome Driver 1" or "Welcome Driver 2." If the remotes are
not linked, refer to the Owner's manual for more information.
Always check the connectors for poor connections or loose terminals.

Before troubleshooting, make sure you have the anti-theft code for the

audio system and the navigation system.
After troubleshooting, enter the anti-theft code for the audio system

and the navigation system.
Always check for and resolve all CAN DTCs before troubleshooting the

navigation system.
Verify that the correct navigation unit is installed for this model.

Go into the Diagnostic mode and use Version.
2007 Acura RL
No. 4
No. 14
No. 15
ORN
PUR
BRN