Notes On Intermittents

WARNING: This page is about a different car, the 1988 Cadillac Seville and 1988 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

Backprobe ECM pin "C8" with a voltmeter to ground. Lift both drive wheels off ground, start engine and allow it to idle in drive. Manipulated affected wiring and watch for sudden loss of voltage on ECM pin "C8".

Review snapshot data parameters stored with this code to verify failure. If failure is verified, check and repair intermittent wiring connection or sensor.

Fig 1: Schematic, Code EO24, Speed Sensor Circuit Problem

Fig 2: Flow Chart, Code EO24, Speed Sensor Circuit Problem

Fig 3: Flow Chart, Code EO24, Speed Sensor Circuit Problem