Pinpoint Test I: Panic Feature Is Inoperative/Does Not Operate Correctly

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.

Test Step

I1 VERIFY THE OPERATION OF THE HORN
- Key in ON position.
- Operate the horn through the steering wheel switch.
- Does the horn operate correctly?
Result / Action to Take
- Yes : GO to I2.
- No : REFER to HORN .
I2 VERIFY THE PARKING LAMP OPERATION
- Turn on the parking lamps with the headlamp switch.
- Do the parking lamps operate correctly?
- Yes : GO to I3.
- No : REFER to EXTERIOR LIGHTING .
I3 CHECK THE HORN OPERATION FROM THE VEHICLE SECURITY MODULE
- Enter the following diagnostic mode on the diagnostic tool: Vehicle Security Module Active Commends.
  Activate the horn active command for one second.
- Does the horn operate?
- Yes : GO to I4.
- No : GO to I9.
I4 CHECK THE PARKING LAMP OPERATION FROM THE VEHICLE SECURITY MODULE
- Activate the parking lamps active command for 5 seconds.
- Do the parking lamps operate?
- Yes : GO to I5.
- No : GO to I7.
I5 CHECK THE REMOTE KEYLESS ENTRY (RKE) TRANSMITTER OPERATION
- Unlock and lock the doors using the RKE transmitter buttons.
- Do the doors lock and unlock correctly?
- Yes : GO to I6.
- No : GO to PINPOINT TEST C .
I6 CHECK THE RKE TRANSMITTER SIGNAL TO THE VEHICLE SECURITY MODULE
- Enter the following diagnostic mode on the diagnostic tool: Vehicle Security Module PIDS.
- Read the vehicle security module REMOTE TRANSMITTER SIGNAL PID while pressing the panic button on the RKE transmitter.
- Do the PID values agree with the button presses?
- Yes : GO to I10.
- No : REPLACE the RKE transmitter. PROGRAM all the RKE transmitters. REFER to REMOTE KEYLESS ENTRY TRANSMITTER PROGRAMMING in this article. TEST the system for normal operation.
I7 CHECK CIRCUIT 195 (TN/WH) FOR AN OPEN
- Key in OFF position.
- Disconnect: Vehicle Security Module C2113b.
- Measure the voltage between the vehicle security module C2113b pin 8, circuit 195 (TN/WH), harness side and ground.
  
  Fig 1: Measuring Voltage Between Vehicle Security Module C2113B Pin 8 Harness Side And Ground
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
- Yes : GO to I8.
- No : REPAIR the circuit. TEST the system for normal operation.
I8 CHECK CIRCUIT 14 (BN) FOR AN OPEN
- Disconnect: Vehicle Security Module C2113b.
- Disconnect: Headlamp Switch C205a.
- Measure the resistance between the vehicle security module C2113b pin 2, circuit 14 (BN), harness side and the headlamp switch C205a pin 12, circuit 14 (BN), harness side.
  
  Fig 2: Measuring Resistance Between Vehicle Security Module C2113B Pin 2 And Headlamp Switch C205A Pin 12
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes : GO to I10.
- No : REPAIR the circuit. TEST the system for normal operation.
I9 CHECK CIRCUIT 1 (DB) FOR AN OPEN
- Disconnect: Vehicle Security Module C2113b.
- Connect a fused (5A) jumper wire between the vehicle security module C2113b pin 6, circuit 1 (DB), harness side and ground.
  
  Fig 3: Connecting Fused Jumper Wire Between Vehicle Security Module C2113B Pin 6 Harness Side And Ground
  Courtesy of FORD MOTOR CO.
- Does the horn sound?
- Yes : GO to I10.
- No : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
I10 CHECK FOR CORRECT VEHICLE SECURITY MODULE OPERATION
- Key in OFF position.
- Disconnect all the vehicle security module connectors.
- Check for:
  - corrosion
  - pushed-out pins
- Connect all the vehicle security module connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
- Yes : INSTALL a new vehicle security module. REFER to MULTIFUNCTION ELECTRONIC MODULES . REPEAT the self-test.
- No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. TEST the system for normal operation.