P0322 VOLKSWAGEN - Ignition Engine Speed Input Circuit No Signal
Tech notes2003 VW Jetta 2.0L. Stalls. Codes P0321, P0322. Crankshaft Sensor diagnosis.
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When is the code detected?The P0322 code is triggered when the Engine Control Module (ECM) detects no signal.
P0322 Volkswagen DescriptionIgnition failure sensor is used to check whether the spark ignition is occurred correctly or not and also used to tachometer drive. The sensor monitors the voltage difference between a resistance which is on the battery circuit for ignition coil. When the ignition coil works properly, the electric current through the resistance is detected as voltage drop. This is confirmed for every ignition event with the crankshaft sensor and the camshaft sensor. If ECM detects a malfunction, no ignition is possible, so the engine would not start. If there is no ignition signal for a predetermined cycle for one or two ignition coils, an ignition coil circuit failure exists.
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