Vehicle Speed Sensor - Revised Diagnostic Information

89Pontiac22

Bulletin Number: 90-8-1
Reference Number: 938138
Publish Date: 10/89
Subject: SERVICE MANUAL UPDATE - SECTION 8A VEHICLE SPEED SENSOR (REVISED PAGES)

Models
Affected: 1988-90 GRAND PRIX
SERVICE MANUAL UPDATE - SECTION 8A-33

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

1988, 1989 and 1990 PONTIAC GRAND PRIX

Page 8A-33-2

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

Page 8A-33-3

Delete Test "B: ELECTRONIC CONTROL MODULE OUTPUT TEST (TABLE 3)"
Insert the attached new test B, Page 8A-33-2A.



Page 8A - 33 - 2A
GRAND PRIX