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Home >> Honda >> 2007 >> Ridgeline RTL >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Navigation System) >> Symptom Troubleshooting >> Navigation frequently asks for anti-theft code and needs GPS initialization
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Navigation frequently asks for anti-theft code and needs GPS initialization

WARNING: This page is about a different car, the 2008 Honda Pilot, 2007 Honda Pilot, and 2006 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Check for low battery.
  • This is often caused by losing battery power or a poor ground.
  • Make sure the DVD is not scratched or damaged.
  • Make sure the correct DVD color and version is installed.
  1. Measure the voltage between body ground and navigation unit connector C (8P) terminal No. 1.
    Fig 1: Measuring Voltage Between Body Ground And Navigation Unit Connector C (8P) Terminal No. 1
    G05594897Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there battery voltage? 

    YES  - Go to step 2.

    NO  - Repair open or short in the wire between passenger's under-dash fuse/relay box and the navigation unit.

  2. Turn the ignition switch ON (II).
  3. Measure the voltage between body ground and navigation unit connector C (8P) terminal No. 2.
    Fig 2: Measuring Voltage Between Body Ground And Navigation Unit Connector C (8P) Terminal No. 2
    G05594898Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there battery voltage? 

    YES  - Go to step 4.

    NO  - Repair open or short in the wire between passenger's under-dash fuse/relay box and the navigation unit.

  4. Turn the ignition switch OFF.
  5. Disconnect the navigation unit connector C (8P).
  6. Check for continuity between navigation unit connector C (8P) terminal No. 4 and body ground.
    Fig 3: Checking For Continuity Between Navigation Unit Connector C (8P) Terminal No. 4 And Body Ground
    G05594899Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  - Replace the navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION  ).

    NO  - Repair open in the wire between navigation unit and body ground (G501).