VIDEO

Informace

Acura

Acura P0158

See the basic definition of a diagnostic error. This will help you to clarify the main causes of the fault code. You will understand the program of the control unit
Basic DTC analysis according to OBD2 protocol standard.

OBD2 or On-Board Diagnostics displays messages for basic group styles. More comprehensible code composition has been standard since 2000. The DTC code consists of five characters and its composition will be shown in this video

Insight into programming

The basic unit for the operation of any computer is the bit. Logic 0 and 1 are expressed by a single bit. Diagnostics The error code is composed of 16 bits. The first two bits define one of the four basic circuits. The video will show you a comprehensive overview of the composition of the error report

A diagnostically understandable description of the Diagnostic Trouble Code

Acura P0158

Basic error definition

Front Secondary HO2S (Bank 2, Sensor 2) Circuit High Voltage

Cause of DTC

With the vehicle at operating temperature and driven between 1,000-3,000 rpm for at least 1 minute, the rear secondary HO2S output voltage is 1.270 V or more for at least 5 seconds. After current is applied to the rear secondary HO2S heater, if the rear secondary HO2S output continues to exceed the upper limit used during feedback control, a malfunction is detected and a DTC is stored. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.