It basically means the PCM detected either an excessive current draw, or an open or short in the circuit powering the oxygen sensor's heater circuit. This is in reference to the Heated Oxygen Sensor (2) located rear of catalytic converter (Bank 2)....
P0151 O2 Sensor Circuit Low B2S1Technical DescriptionOxygen O2 Sensor Circuit Low Voltage (Bank 2, Sensor 1)What does that mean?This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Although generic, the specific repair steps...
PURPOSE: To activate an oxygen concentration sensor early so as to obtain stable output concerning a heater control circuit of the oxygen concentration sensor. ;CONSTITUTION: Resistance R of a heater which heats an oxygen concentration sensor 1 is connected in parallel with compensation resistance r0...
Four wires (circuits) are used on each O2 sensor: 12–volt feed circuit for the sensor heating element Ground circuit for the heater element Low-noise sensor return circuit to the PCM Input circuit from the sensor back to the PCM to detect sensor operation ...
(57) [summary] [purpose] and to allow also the energization of the oxygen sensor heater 3 during the engine stop, to improve the low-temperature activity of the oxygen sensor. [Configuration] Apart from the regular battery 5, a solar cell 6, stores the energy obtained by the solar cell ...
PROBLEM TO BE SOLVED: To provide a heater driver for an oxygen sensor capable of detecting battery short circuit which can not be detected by only a normal over current detection function and an over temperature detection function.OKONOGI JUNJI...
Featuring its long life, high accuracy and maintenance free, Fujikura oxygen sensor can detect wide range of oxygen concentration from ppm level to over 90%O{sub}2. A constant electrical power driving circuit, using an embedded microcontroller, is useful for accurate and low cost control of the...
(Rs) in the supply circuit comprising the source (Vbat) and the heater (16, 28), and a control unit (18, 32) arranged to drive the switching devices (PW1, PW2; PW3, PW4) in a manner such that, each time the heater (16, 28) is activated, the measurement resistor (Rs) is ...
Generic: Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) Nissan: Heated oxygen sensor (HO2S) 1 Bank 1 - heater voltage high What does that mean?This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles, ...
HEATER CONTROL CIRCUIT OF OXYGEN CONCENTRATION SENSORPURPOSE: To activate an oxygen concentration sensor early so as to obtain stable output concerning a heater control circuit of the oxygen concentration sensor.SAHASHI MASATO佐橋 眞人