MIL ON - DTC P0137 (Rear 02 Sensor)

Classification:
EC98-021A

Reference:
NTB98-082A

Date:
December 1, 1998

APPLIED VEHICLE(S)
1998 SENTRA SE and 200SX(B14)

APPLIED ENGINE
SR20DE only

APPLIED DATE
Vehicles built before July 22, 1998

1998 SENTRA SE AND 200SX SR20DE MIL "ON", DTC P0137 REAR O2 SENSOR (MINIMUM VOLTAGE MONITORING)

This amended version of NTB98-082 updates information in the Applied Date and Parts information sections. Please discard all paper copies of NTB98-082.

SERVICE INFORMATION

If an applied Sentra SE or 200SX with the SR20DE engine has a MIL "ON" with rear oxygen sensor DTC P0137 (Minimum Voltage Monitoring) (Rear HO2S) stored in the ECM, use the following service procedure to resolve the incident.

SERVICE PROCEDURE





1. Refer to "General Procedures, Rear Oxygen Sensor Overall Operation Test" attachment (Attachment A) or ASIST users click here to verify the operation of the oxygen sensor.

A. If the oxygen sensor fails the operational test, this bulletin does not apply. Use the information provided in the operational test to repair the vehicle.

B. If the oxygen sensor passes the operational test, proceed with step 2.

2. Determine the ECM part number by the "CONSULT Freeze Frame Data" function or by the "CONSULT ECM Part Number" function.

A. If the ECM part number is not one of the part numbers listed in the "P/N in Vehicle" column of the "Parts Information" table, this bulletin does not apply.

B. If the ECM part number is one of the part numbers listed in the "P/N in Vehicle" column of the "Parts Information" table, proceed with step 3.





3. Replace the ECM (see Figure 1) with the part number listed in the "Replacement P/N" column of the "Parts Information" table or with its equivalent latest update.





PARTS INFORMATION





CLAIMS INFORMATION

If applicable per this bulletin, submit a Primary Failed Part (PP) line using the following claims coding as shown.