Grand Prix V6-191 3.1L (1989)
Vehicle Speed Sensor: Technical Service Bulletins
Vehicle Speed Sensor - Revised Diagnostic Information
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.