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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1082 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P1668: Generator L-Terminal Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Key ON Test

During the RUN test, the ECM detects a low signal voltage on the generator turn on signal circuit for at least 5 seconds.

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