1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Remove the horn..
4. Apply battery positive voltage and connect the ground as shown in the figure and verify the horn beeper sound operation.

If the beep sound cannot be verified, replace the horn.
Horn
Horn Removal/InstallationLighting System Personalization Features Setting Procedure
Auto Light System
1. Connect the M-MDS (IDS) to the DLC-2.
2. After the vehicle is identified, select the following items from the initial
screen of the IDS.
Select the “Module Programming”
Select the “Programmable Parameters”.
Select menu in the Exterior Li ...
Input/Turbine Speed Sensor Inspection [FS5 A EL]
CAUTION:
Water or foreign objects entering the connector can cause a poor connection
or corrosion. Be sure not to drop water or foreign objects on the connector
when disconnecting it.
On-Vehicle Inspection
1. Perform the following procedures.
a. Remove the battery cover..
b. ...
Torque Converter Clutch (TCC) Non Operation [Fw6 A EL]
TROUBLESHOOTING ITEM
Torque converter clutch (TCC) non-operation
DESCRIPTION
TCC does not operate when vehicle reaches TCC operation range.
POSSIBLE CAUSE
Signal malfunction
...