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

Anti-Theft

Pinpoint Tests

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

Normal Operation

The Passive Anti-Theft System (PATS) uses a visual anti-theft indicator located in the Instrument Cluster (IC). This indicator proves out for 3 seconds when the key is turned to the ON or START position (even if the vehicle is not equipped with PATS). If there is a PATS concern, this indicator either flashes rapidly or glows steadily (for more than 3 seconds) when the key is turned to the ON or START position. PATS also flashes the anti-theft indicator every 2 seconds for 10 seconds and then stays off at key off to act as a visual theft deterrent. If the vehicle is not equipped with PATS, the anti-theft indicator does not flash at all with the key in the OFF position. The anti-theft indicator operation is controlled by the IC.

This pinpoint test is intended to diagnose the following:

- Anti-theft indicator
- IC



PINPOINT TEST F: THE ANTI-THEFT INDICATOR IS ALWAYS/NEVER ON

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F1 CHECK THE ANTI-THEFT INDICATOR FOR CORRECT OPERATION


- Ignition OFF.
- Connect the scan tool.
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IC DataLogger.
- Operate the IC active command THEFT_LMP to ON, then OFF.
- Does the anti-theft indicator illuminate, then turn off?

Yes
GO to F2.

No
INSTALL a new IC. REFER to Instrument Panel, Gauges and Warning Indicators. RESET the parameters in both the IC and the PCM. REFER to Passive Anti-Theft System (PATS) Parameter Reset Passive Anti-Theft System (PATS) Parameter Reset. PROGRAM the PATS keys into the new IC. REFER to Key Programming Using Diagnostic Equipment Using Diagnostic Equipment. REPEAT the self-test.

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F2 CHECK FOR CORRECT IC OPERATION


- Disconnect the IC connector.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect the IC connector and make sure it seats correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?

Yes
INSTALL a new IC. REFER to Instrument Panel, Gauges and Warning Indicators. RESET the parameters in both the IC and the PCM. REFER to Passive Anti-Theft System (PATS) Parameter Reset Passive Anti-Theft System (PATS) Parameter Reset. PROGRAM the PATS keys into the new IC. REFER to Key Programming Using Diagnostic Equipment Using Diagnostic Equipment. 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.

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