Pinpoint Test C: Continuous Seek/Scan In Am/Fm
WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- 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?
- Yes : GO to C2.
- No : INSTALL a new antenna cable. REFER to ANTENNA . TEST the system for normal operation.
- C2 SUBSTITUTE THE ANTENNA
- Yes : INSTALL a new antenna. REFER to ANTENNA . TEST the system for normal operation.
- No : CONNECT the original antenna. SEND the audio unit to an authorized repair facility. TEST the system for normal operation after the repair.
- Key in START position.
- Substitute a known good antenna. Refer to ANTENNA . 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?