Engine Controls - Crank Sensor Voltage Specifications

9218chevy06

Number: 90-168-6E

Section: 6E

Date: February 1990

Corporate Bulletin No.: 016506


Subject:
DRIVEABILITY AND EMISSIONS SENSOR VOLTAGE OUTPUT SPECIFICATIONS


Model and Year:
1987-89 J, L CAR WITH 2.OL (VIN CODE 1) ENGINE 1987-89 A, J, L. CAR WITH 2.8L (VIN CODE W) ENGINE 1990 J. L CAR WITH 2.2L (VIN CODE G) ENGINE 1990 A, J, L, W CAR WITH 3.1 (VIN CODE T) ENGINE


TO: ALL CHEVROLET DEALERS

Individual applications should be selected by divisions.

YEAR VIN ENGINE CARLINES SECTION TEXT

1987-89 1 2.0 L J. L Chart A-3 Page 2 of 3

1990 G 2.2 L J, L Chart A-3 Page 2 of 3

1987-89 w 2.8L A. J. L Chart A-3 Page 3 of 3

1990 T 3.1 L A. J, L, W Chart A-3 Page 3 of 3

The following crank sensor voltage output specifications have been updated for applications listed above. This updated information should be noted in the appropriate "Engine Cranks But Will Not Run" Chart A-3, in the "Driveability And Emissions" Section "6E" of the Service Manual.

- Normal crank sensor voltage output range (room temperature/charged battery) .8 volt
(800 Mv) - 1.4 volts (1400 mv).

- Minimum crank sensor voltage output (slow crankingaow battery) .3 volt (300 mv).