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Home >> Cadillac >> 1995 >> Eldorado Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Engine Control System - Tests W/Codes) >> Diagnostic Trouble Codes >> DTC P1377 - Ignition Control (Ic) Module Cam Pulse To 4X Reference Pulse Comparison >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 1996 Cadillac Seville, 1996 Cadillac Eldorado, and 1996 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

This test checks to see if there are eight 4X reference pulses between CAM signals. Do not attempt diagnosis or repair unless vehicle is experiencing driveability problems associated with this DTC.