ABS Pressure Modulator Valve - Manual Update

9223buick04

Bulletin:
91-5-2

Date:
Oct. 90

Ref. No.:
91-028-5

Corp. Ref. No.:
005004


SUBJECT:
ELECTRICAL SYSTEMS MANUAL UPDATE/SECTION - ANTILOCK
BRAKE SYSTEM/PRESSURE MODULATOR VALVE (PMV) ASSEMBLY
VOLTAGE TEST

MODELS AFFECTED:
1991 LESABRE AND PARK AVENUE/PARK AVENUE ULTRA


REVISED ELECTRONIC BRAKE CONTROL MODULE (EBCM) SOFTWARE

LESABRE

In Test A Pressure Modulator Valve (PMV) Assembly Voltage Test on page 106, Fuse 8, in the Instrument Panel Fuseblock must be removed prior to any measurements being made. Add the words "Remove Instrument Panel Fuseblock Fuse 8", as a condition to Test A in your LeSabre Electrical Service Manual.

PARK AVENUE - PARK AVENUE ULTRA

In Test A Pressure Modulator Valve (PMV) Assembly Voltage Test on page 99, Fuse 19, in the Instrument Panel Fuseblock, must be removed prior to any measurements being made. Add the words "Remove Instrument Panel Fuseblock Fuse 19", as a condition to the Test A in the Park Avenue - Park Avenue Ultra Electrical Service Manual.