Vehicle Speed Sensor - Revised Diagnostic Information

9225buick01

Bulletin: 90-8-1

Date: Nov., '89

Ref. No.: 90-028-8

Corp. Ref. No.: 938138


SUBJECT:
SERVICE MANUAL UPDATE - SECTION 8A-VEHICLE SPEED SENSOR (REVISED PAGES)

MODELS AFFECTED:
1988-1990 REGAL


SERVICE MANUAL UPDATE - SECTION 8A -33

The diagnostic test information in the 1988, 1989 and 1990 Regal Manuals Section 8A-33 has been revised. Please make the following corrections in your copies of the following Service Manuals.

1988 BUICK REGAL

Page 8A-33-2

Delete Test "B: ELECTRONIC CONTROL MODULE OUTPUT TEST (TABLE 1)"

Page 8A-33-3

Delete Test "B: ELECTRONIC CONTROL MODULE OUTPUT TEST (TABLE 2)"
Delete Test "B: ELECTRONIC CONTROL MODULE OUTPUT TEST (TABLE 3)"

Insert the attached new test B, Page 8A33-2A.

1989 and 1990 BUICK REGAL

Page 8A-33-2

Delete Test "B: ELECTRONIC CONTROL MODULE OUTPUT TEST (TABLE 1)"
Delete Test "B: ELECTRONIC CONTROL MODULE OUTPUT TEST (TABLE 2)"

Page 8A-33-3

Delete Test "B: ELECTRONIC CONTROL MODULE OUTPUT TEST (TABLE 3)"
Delete Test "B: ELECTRONIC CONTROL MODULE OUTPUT TEST (TABLE 4)"





Insert the attached new test B, Page 8A-33-2A.