Pinpoint Test H: The Anti-Theft Indicator Is Always/Never On

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

H1 CHECK THE ANTI-THEFT INDICATOR FOR CORRECT OPERATION
- Key in OFF position.
- Connect the diagnostic tool.
- Key in ON position.
- Enter the following diagnostic mode on the diagnostic tool: IC DataLogger
- Trigger the IC active command ALL LAMPS to on, then off.
- Does the anti-theft indicator illuminate, then turn off?
1. YES : Go to H2.
2. NO : INSTALL a new IC. REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article. TEST the system for normal operation.
H2 CHECK FOR CORRECT IC OPERATION
NOTE: When a new IC is installed, the PATS keys must be programmed into the IC.

NOTE: When a new IC is installed, the parameters must be reset in the IC and the transmission control module (TCM).

NOTE: When using the IDS, the IC and the TCM parameters are reset at the same time.
- Disconnect all the IC connectors.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect all the IC connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
1. YES : INSTALL a new IC. REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article. CARRY OUT the parameter reset procedure on both modules. REFER to Passive Anti-Theft System (PATS) Parameter Reset . PROGRAM the PATS keys into the IC. REFER to Integrated Keyhead Transmitter (IKT) Key Programming Using Diagnostic Equipment . CLEAR the DTCs. CYCLE the ignition. REPEAT the self-test. TEST the system for normal operation.
2. NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. CYCLE the ignition. REPEAT the self-test. TEST the system for normal operation.