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Home >> Acura >> 2007 >> RL >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Navigation System) >> Symptom Troubleshooting >> Navigation cannot control XM radio
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Navigation cannot control XM radio

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Check the vehicle battery condition first.
  • If you can only turn to channels 000, 001, 174, and 247, make sure the audio unit is set to the channel mode (see owners manual), if it is set to channel mode, call XM satellite radio customer support and check the account activation status.
  • Make sure that the correct DVD color and version are installed.
  • Check any official Honda service web site for more service information about the navigation system.
  1. Turn the ignition switch to ON (II).
  2. Select XM and tune to several channels.

    Does the audio system operate normally (can XM be selected with the audio unit buttons and tuned with the knobs)? 

    YES  -Go to step 3.

    NO  -Go to audio system troubleshooting.

  3. Go into the Diagnostic mode and use the Navi System Link diagnosis (see NAVI SYSTEM LINK  ).

    Is the XM or XM (HIP) icon red? 

    YES  -

    • With AcuraLink: Go to step 4.
    • Without AcuraLink: Go to step  8.

    NO  -Substitute a known-good navigation unit and recheck. If the symptom/indication goes away, replace the original navigation unit. If the symptom/indication is still present, replace the navigation unit.

  4. Turn the ignition switch to LOCK (0).
  5. Disconnect navigation unit connector A (20P).
  6. Disconnect AcuraLink control unit (XM receiver) connector A (20P).
  7. Check for continuity between navigation unit connector A (20P) and AcuraLink control unit (XM receiver) connector A (20P) according to the table.
    CONNECTOR TERMINAL REFERENCE CHART

    Navigation unit connector AcuraLink control unit (XM receiver) connector
    A9 A18
    A10 A7
    A20 A17
    Fig 1: Checking Continuity Between Navigation Unit Connector And AcuraLink Control Unit Connector
    G05463184Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Substitute a known-good navigation unit and recheck. If the symptom/indication goes away, replace the original navigation unit. If the symptom/indication is still present, replace the navigation unit.

    NO  -Open in the wire(s) between navigation unit and AcuraLink control unit (XM receiver). Replace the affected shielded harness.

  8. Turn the ignition switch to LOCK (0).
  9. Disconnect navigation unit connector A (20P).
  10. Disconnect XM receiver connector A (14P).
  11. Check for continuity between navigation unit connector A (20P) and XM receiver connector A (14P) according to the table.
    CONNECTOR TERMINAL REFERENCE CHART

    Navigation unit connector XM receiver connector
    A9 A3
    A10 A9
    A20 A10
    Fig 2: Checking Continuity Between Navigation Unit Connector A (20P) And XM Receiver Connector A (14P)
    G05463185Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Substitute a known-good navigation unit and recheck. If the symptom/indication goes away, replace the original navigation unit. If the symptom/indication is still present, replace the navigation unit.

    NO  -Open in the wire(s) between navigation unit and XM receiver. Replace the affected shielded harness.

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