MAP - Revised Output Chart for Codes 33, 34, 63, and 64

9219oldsmobile04

NUMBER:
90-T-91

CORP.REF.NO:
016510

DATE:
APRIL 1990

SECTION:
6E


SUBJECT
SERVICE MANUAL UPDATE - SECTION 6E1/6E2/6E3 -
REVISED CHART C-1D, CODE 33, 34, 63, 64


MODELS/YEARS
ALL 1980-90 OLDSMOBILE MODELS


This bulletin revises the Manifold Absolute Pressure (MAP) Output Check Chart C-1D and updates Code 33, Code 34, Code 63, and Code 64 in the Service Manual sections on "Driveability And Emissions" (Section 6E1, 6E2, and 6E3). This information applies to all MAP Sensors on 1980-1990 vehicles with gasoline engines (except turbocharged) with green (standard) MAP sensor electrical connector insert or the solid black MAP sensor electrical connector insert.








Circuit Description And Chart C-1D








CODE 33 (SIGNAL VOLTAGE HIGH - LOW VACUUM)








CODE 34 (SIGNAL VOLTAGE LOW - HIGH VACUUM)







CODE 63 (SIGNAL VOLTAGE HIGH - LOW VACUUM)







CODE 64 (SIGNAL VOLTAGE LOW - HIGH VACUUM)