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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 828 (Information And Entertainment Systems (F250-F550)) >> Diagnostic Tests >> Information and Entertainment System >> Pinpoint Tests >> Pinpoint Test C: Continuous Seek/Scan In AM/FM >> Pinpoint Test C: Continuous Seek/Scan In Am/Fm

Pinpoint Test C: Continuous Seek/Scan In Am/Fm

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. C1 CHECK THE ANTENNA FOR DAMAGE 
    • Key in OFF position.
    • Disconnect: Antenna Lead-In
    • Measure the resistance between the antenna cable terminal, audio unit side and the antenna cable, antenna side.
    • Is the resistance less than 8 ohms? 
    1. YES  : Go to  C2.
    2. NO  : INSTALL a new antenna cable. REFER to Antenna Lead-In Cable  in this article. TEST the system for normal operation.
  2. C2 SUBSTITUTE THE ANTENNA 
    • Key in START position.
    • Substitute a known good antenna base. Refer to Antenna Base  in this article. Ground the antenna base to an unpainted metal surface on the vehicle.
    • Check the operation of the audio unit.
    • Does the audio unit operate correctly? 
    1. YES  : INSTALL a new antenna base. REFER to Antenna Base  in this article. TEST the system for normal operation.
    2. NO  : CONNECT the original antenna. SEND the audio unit to an authorized audio system repair facility. TEST the system for normal operation after the repair.
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