nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Engine Controls - Idle, Base Idle & Timing, Startability|Page 1364 > < Engine Controls - Idle, Base Idle & Timing, Startability|Page 1362
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Idle Speed: By Symptom

Technical Service Bulletin # 90-061

Date: 900628

Exhaust System - Sulfur Odor

Classification:
EC90-006

Reference:
NTB90-061

Date:
June 28, 1990

EXHAUST ODOR

APPLIED VEHICLE(S):
1989 Sentra (B12)

APPLIED VIN(S):
Prior to 5/25/89 (JAPAN - Built Vehicles)
Prior to 8/1/89 (U.S. - Built Vehicles)

SERVICE INFORMATION
 
Some of the applied models built prior to May 25, 1989 (JAPAN-Built Vehicles) or August 1, 1989 (U.S.-Built Vehicles)  may exhibit an exhaust odor
which smells of sulfur.  To resolve such a customer complaint, perform the following service inspection procedures.
 
SERVICE PROCEDURE
 
1.

Verify that the following engine control components are properly adjusted, using the Service Manual for specification and adjustment procedures:

 

^

Idle Speed

^

Throttle Valve Switch

^

AIV Operation

^

CO Inspection

 
2.

If these components are within specification, perform self-diagnosis to verify proper Mixture Ratio Feedback Control (Mode II) and confirm the
all-clear code (55) in Mode III.  If self-diagnosis codes other than (55) are stored in Mode III, perform the appropriate diagnostic procedure to
repair the malfunction.

3.

If self-diagnosis indicates proper Mixture Ratio Feedback and engine control components are adjusted and operating properly, replace the AIV
Case Assembly with the new part listed below:

New Part # : 14812-84A10 (Replaces Former Part # : 14812-84A00)

Technical Service Bulletin # 90-061

Date: 900628

Exhaust System - Sulfur Odor

Classification:
EC90-006

Reference:
NTB90-061

Date:
June 28, 1990

EXHAUST ODOR

APPLIED VEHICLE(S):
1989 Sentra (B12)

APPLIED VIN(S):
Prior to 5/25/89 (JAPAN - Built Vehicles)
Prior to 8/1/89 (U.S. - Built Vehicles)

Engine Controls - Idle, Base Idle & Timing, Startability|Page 1364 > < Engine Controls - Idle, Base Idle & Timing, Startability|Page 1362