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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 962 (6.4L - DTCS P000B To P0205 - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P0135-O2 Sensor 1/1 Heater Performance >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic provides a continuous check of the O2 Sensor Heater circuit during operation. The heater circuit is momentarily disabled to allow a resistance measurement to be taken to calculate heater temperature. The current delivery to the heater is duty cycled to maintain a specific target temperature. The error from the target temperature is continuously monitored to determine heater performance.

Engine running and heater duty cycle greater than 0%. Battery voltage greater than 11.0 Volts.

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