Pinpoint Test E: The Engine Does Not Start

Anti-Theft - Without Intelligent Access (IA)

Pinpoint Test E: The Engine Does Not Start

Normal Operation

The Passive Anti-Theft System (PATS) disables the engine from starting by disabling the fuel injectors and starter. When the ignition is turned to the RUN or START position, the PATS reads the PATS key and checks the PCM ID. If an unprogrammed PATS key is used or an invalid PCM ID is received, the PATS disables the engine. If there is a PATS concern that caused the engine to be disabled, the anti-theft indicator flashes in the Instrument Panel Cluster (IPC).

This pinpoint test is intended to diagnose the following:

- Driveability concern
- PATS concern
- Starting system concern

PINPOINT TEST E: THE ENGINE DOES NOT START

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E1 CHECK FOR COMMUNICATION WITH THE PCM AND THE IPC

- Carry out the network test using the scan tool.
- Does the scan tool establish communication with the PCM and the IPC?

Yes
GO to E2.

No
REFER to Module Communications Network Testing and Inspection to diagnose the module that is not communicating with the scan tool.

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E2 CHECK FOR PATS DTCs

- Enter the following diagnostic mode on the scan tool: IPC Self-Test.
- Enter the following diagnostic mode on the scan tool: PCM Self-Test.
- Are any PATS DTCs present?

Yes
REFER to the DTC Charts. Anti-Theft - Without Intelligent Access (IA)

No
The no-start condition is not caused by PATS. REFER to Computers and Control Systems to diagnose the cause of the no-start condition.

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