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Diagnostics Emission Control Systems for Jeep 2000 XJ

Posted: 06 Dec 2009 04:58 PM PST


Diagnostics Emission Control Systems for Jeep 2000 XJ Assume the diagnostic trouble code criteria requires the PCM to monitor the circuit only when the engine operates between 750 and 2000 RPM. Suppose the sensor's output circuit shorts to ground when engine operates above 2400 RPM (resulting in 0 volt input to the PCM). CIRCUIT ACTUATION TEST MODE [...]



Diagnostics Emission Control Systems for Jeep 2000 XJ

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