...PCM commands the heater ON or OFF to maintain a specific HO2S operating temperature range. The PCM determines the temperature by measuring the current flow through the heater and calculating the ...
...open between the heater and PCM.HO2S heater is damaged or has failed.PCM has failed (it controls the heater with a duty cycle signal).The sensor is on the passenger side,that is cylinder number
Question about 2002 Millenia
...PCM detected the HO2S-12 heater current exceeded 2 amps, or that it was 0.25 amps or less. Possible Causes: * HO2S heater control circuit is open, shorted to ground or power * HO2S heater power ...
Question about 2005 Silverado
...PCM commands the heater ON or OFF to maintain a specific HO2S operating temperature range. The PCM monitors the voltage on the HO2S heater low control circuit for heater fault diagnosis. If the PCM ...
Question about 2002 Taurus
...PCM controls the heater circuits via drivers internal to the PCM. HIghly unlikely all drivers are bad. Most PCM's can't be tested without factory equipment and are replaced with known good ones for ...
...PCM controls the heater on-time. The PCM also continuously monitors the heater circuits for abnormal voltages or in some cases, even abnormal amperages. Depending on the make of vehicle, the Oxygen ...
Question about 2006 Corolla
...PCM controls this heater to warm up the sensor to operating temperature. This allows the engine to enter closed loop faster and reduces emissions on cold startup. The PCM continuously monitors the ...
Question about 2006 Corolla
...PCM commands the heater ON or OFF to maintain a specific HO2S operating temperature range. The PCM determines the temperature by measuring the current flow through the heater. When the heater is in ...
Question about 2006 Corolla
...heater circuit. PCM - engine computer supply's five volt's , signal return and ground . All are connected at the PCM . The fuse's you are calling O2 sensor fuse's are for the heater circuit . The PCM ...
Question about 2006 Corolla
...PCM commands the heater ON or OFF to maintain a specific HO2S operating temperature range. The PCM determines the temperature by measuring the current flow through the heater. When the heater is in ...
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