Question about Lincoln LS
COLUMN AND HARNESS HAVE BEEN REPLACED, ONLY COMMON POINT FOR POWER TILT AND THE HORN IS THE CLUSTER....ANY IDEAS?
Yes, the Instrument cluster is common to both the horn circuits and the power tilt. However, the horn is actually controlled by the Front Electronic Module (FEM) The IP only relays the horn request data to the FEM.
Beginning diagnosis by scanning the IPC and the FEM would probably be a real good idea.
Personally, I would be checking for inadvertent grounds on the horn circuit between the IPC and the steering column horn button by back-probing the pin at the IPC and watching the reference voltage as the tilt is used. Even if the harness has been replaced, the problem could be located in the clockspring assembly - unless this was also replaced.
The next thing to check would be for a bad ground circuit for the tilt system. It is possible that a bad ground could cause feedback to the IPC or to the FEM if the tilt system is not properly grounded. Ground G201 (Located under the left side of the dash) is common to both the IPC and the steering column clockspring. I would check other grounds as well if no problem is found there.
Posted on Feb 17, 2012
You have a wire that is rubbed bear inside the steering column, pull the covers and inspect the harness. Disconnect the battery negative cable for 10 minutes before you start work to disarm the Airbags
Posted on Feb 17, 2012
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Posted on Jan 02, 2017
SOURCE: 2004 Lincoln LS A/C Valve
In order to charge, you must locate the low pressure valve to install the refrigerant. The low pressure valve is between the compressor and the evaporator. Do not charge on the High Pressure side, The high pressure valve is between the compressor and the condenser. To locate the low pressure valve, follow the line that comes from the compressor and routes toward the firewall. The valve will be somewhere on that line. Do not overcharge. The amount of pressure that is needed on the low pressure side will depend on the ambient outside temperature.
Posted on Jun 21, 2009
Principles of Operation
When the horn switch is depressed, a message is sent from the instrument cluster via the network communication link to the front electronic module (FEM). The FEM acknowledges the message and energizes the horn relay by grounding the horn relay coil which allows the dual note horn to sound.
Inspection and Verification
NOTE: The FEM and instrument cluster must be reconfigured upon replacement. Refer to Section 418-01 .
Visual Inspection Chart
If the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
Posted on Jul 08, 2009
it is doubtful the horn fuse is the problem, it is more likely the clock spring contact under the steering wheel, the fuse for the horn is located in the underhood fuse box,
Fuse #4 15A* Horn
Posted on Sep 30, 2009
In the grey folder with your owners manual,is a white card with the factory code,for the keyless entry keypad. It also, tells you, how to put in your own code
Posted on May 16, 2010
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