System Testing: Notes

SYSTEM TEST INDEX

Symptom

Perform System Test

No Communication With HEC Module

No Communication With LCM Module/Unable To Perform LCM On-Demand Self-Test

THEFT Indicator Is Always/Never On Or THEFT Indicator Will Not Proveout

Vehicle Starts But THEFT Indicator Flashes Fault Code When Ignition Switch Is In RUN Position

⁽¹⁾

Vehicle Does Not Start

⁽²⁾

⁽¹⁾	Perform DTC U1147: INVALID OR MISSING DATA FOR VEHICLE SECURITY under DIAGNOSTIC TROUBLE CODE TESTS.

⁽²⁾	Perform HEC On-Demand Self-Test. Retrieve DTCs. If DTCs Are Present, perform appropriate DTC test under DIAGNOSTIC TROUBLE CODE TESTS. If No DTCs are present, system is operating properly.