DTC P0320: Ignition Engine Speed Input Circuit Malfunction
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0320 - IGNITION ENGINE SPEED INPUT CIRCUIT MALFUNCTION
| Description: | The ignition engine speed sensor input signal to PCM is continuously monitored. The test fails when the signal indicates that 2 successive erratic profile ignition pickup (PIP) pulses occurred. | ||
| Possible Causes: |
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| Diagnostic Aids: | The DTC indicates that 2 successive erratic PIP pulses occurred. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to NC: Ignition Engine Speed Input Circuit STEP NC1. |