Navigation System Symptom Troubleshooting - Picture is missing a color or tone or is an odd color

Picture is missing a color or tone or is an odd color
NOTE:
  • Check the connectors for poor connections or loose terminals.
  • Make sure that the correct version are installed.
  • Inspect the DVD for dirt or damage.
  • Check any official Honda service website for more service information about the navigation system.
  • Check the navigation screen settings for brightness, contrast, and black level, and check the color screen for map color and menu color.
  • Before troubleshooting, make sure you have anti-theft codes for the audio system and the navigation system.
  • After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
  • Check the vehicle battery condition first.
  • Check for aftermarket accessories that may interfere with the navigation system.
  1. Go into the Detail Information & Settings select Monitor Check, and use RGB Color test under Monitor Check.
Are the red, green, and blue colored circles shown?
YES -
The system is OK at this time.■
NO -
Go to Step 2 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect navigation unit connector B (32P) and the navigation display unit 28P connector.
  1. Check for loose terminals at navigation unit connector B (32P) and the navigation display unit 28P connector.
Are there loose terminals?
YES -
Repair the terminal.■
NO -
Go to Step 5 .
  1. Check for continuity between the terminals of navigation unit connector B (32P) and the navigation display unit 28P connector according to the table.
    From terminal
    To terminal
    Navigation unit
    Navigation display unit
    Navigation unit
    Navigation display unit
    B3 (GRY)
    24 (BLK)
    B1 (WHT)
    8 (WHT)
    B2 (RED)
    9 (RED)
    B17 (YEL)
    22 (YEL)
    B18 (BLK)
    23 (BRN)
    B19 (GRN)
    21 (BLU)

Is there continuity between any of the terminals?
YES -
Repair short in the wire(s) between the audio unit and stereo amplifier (replace the appropriate shielded harness).■
NO -
Go to Step 6 .

  1. Check for continuity between the appropriate terminals of navigation unit connector B (32P) and the navigation display unit 28P connector based on the missing color(s).
    Missing color
    Navigation unit connector B (32P)
    Navigation display unit 28P connector
    Wire color
    Blue
    B17
    22
    YEL
    Green
    B2
    9
    RED
    Red
    B1
    8
    WHT

Is there continuity?
YES -
Go to Step 7 .
NO -
There is an open in the circuit between the navigation display unit and the navigation unit. Check for poor connections or loose terminals at the navigation display unit and navigation unit. If a poor connection or loose terminal is found, replace the affected shielded harness.■

  1. Check for continuity between the appropriate terminals of navigation unit connector B (32P) and the navigation display unit 28P connector based on the missing color(s).
    Missing color
    Navigation unit connector B (32P)
    Navigation display unit 28P connector
    Blue
    B17
    10, 24
    Green
    B2
    10, 24
    Red
    B1
    10, 24

Is there continuity?
YES -
There is a short to body ground in the circuit between the navigation display unit and the navigation unit. Replace the affected shielded harness.■
NO -