Engine Controls - Updated Vehicle Speed Sensor Test

89pontiac15

Bulletin Number: 89-8-23
Reference Number: 938131

Publish Date: 8/89
Subject: SERVICE MANUAL UPDATE, SECTION 8A VEHICLE SPEED SENSOR TEST A

Models

Affected: 1988-89 GRAND PRIX
SERVICE MANUAL UPDATE


Service Manual Section 8A-33-2, 1988 and 1989 Pontiac Grand Prix.

The voltage measurement in Vehicle Speed Sensor Test A should read as follows:

Measure Correct For
Between Voltage Diagnosis

C8 (YEL) and Varying from See 1
C2 (PPL) 0.1 to 0.5
volts AC

Please correct your Service Manuals.