Reno L4-2.0L (2006)
Oxygen Sensor: All Technical Service Bulletins
Emissions - OBD O2 Sensor Heater DTC Confirmation
FORENZA
Section Title: Engine
TSB No. TS 25 10190
Division: Automotive
Category: Technical
SUBJECT:
ON-BOARD DIAGNOSTIC (OBD) SYSTEM DTC CONFIRMATION
PROCEDURE: OXYGEN SENSOR HEATER
MODEL(S):
FORENZA, FORENZA WAGON, RENO (RQ420)
YEAR:
2004~2008
CONDITION:
Diagnostic readiness status is "Incomplete".
CAUSE:
Requirements have not been met under the specific vehicle conditions and procedures.
CORRECTION:
Please follow the attached DTC Confirmation Procedures outlining what is required for the readiness status to complete.
Note:
The following specifications and procedures do not relate to any specific repair or failure state, they represent the minimum requirements that the
system must experience during the self diagnostic sequence for this specific component.
The conditions and procedures are exclusive to the model(s) listed above, and apply only to setting the readiness status of the Oxygen Sensor Heater to
the "YES" condition.
Due to changes to Emission Regulations and/or the vehicles emission control system, be sure to use the procedure that applies to your model year
vehicle, as they may vary.
>
For 2004 and 2005 model years use: AA. MY04~MY05
>
For 2006 - 2008 model years use: BB. MY06~MY08
AA. MY04~MY05:
Oxygen Sensor Heater
Description
The purpose of this procedure is to satisfy the enable criteria necessary in order to execute the Heated Oxygen Sensor (HO2S) Heater System diagnostic.
Ensure the vehicle meets the requirements listed in Conditions for Running before performing this test. Failure to meet the necessary requirements may
produce inaccurate test results.
Conditions for Running
Check to make sure that following conditions are satisfied when using this DTC CONFIRMATION
PROCEDURE:
>
Ignition voltage> 10 volts
>
Runtime > 200 seconds
Diagnostic Aids
