Ford Festiva. Manual — part 36

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J - PIN VOLTAGE CHARTS

1991 ENGINE PERFORMANCE Ford/Mercury Pin Voltage Charts

INTRODUCTION

Pin voltage charts are supplied to reduce diagnostic time. Checking pin voltages at the Electronic Control Assembly (ECA) determines
whether it is receiving and transmitting proper voltage signals. Charts may also help determine if ECA wiring harness is shorted or opened.

Fig. 1: Identifying ECA Connector Terminals (Festiva)

Courtesy of FORD MOTOR CO.

Fig. 2: Identifying ECA Connector Terminals (Capri)

Courtesy of FORD MOTOR CO.

NOTE:

Unless stated otherwise in testing procedures, perform all voltage tests using a Digital Volt-Ohmmeter
(DVOM) with a minimum 10-megohm input impedance. Voltage readings may vary slightly due to
battery condition or charging rate.

NOTE:

For additional pin voltage information, see appropriate trouble code information in G - TESTS W/
CODES article in the ENGINE PERFORMANCE Section.

Fig. 3: Checking ECA Pin Voltages (Festiva)

Courtesy of FORD MOTOR CO.

Fig. 4: Checking ECA Pin Voltages (Capri)

Courtesy of FORD MOTOR CO.

Copyright 2009 Mitchell Repair Information Company, LLC. All Rights Reserved.

Article GUID: A00022701

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N - REMOVE/INSTALL/OVERHAUL

1991 ENGINE PERFORMANCE Ford/Mercury Removal, Overhaul & Installation

INTRODUCTION

Removal, overhaul and installation procedures are covered in this article. If component removal and installation is primarily an unbolt and
bolt-on procedure, only a torque specification may be furnished.

IGNITION SYSTEM

DISTRIBUTOR

Removal

Disconnect negative battery cable. On Capri, disconnect vacuum hose from vacuum control unit. Disconnect coil wire from distributor cap.
Remove screws and distributor cap. Disconnect electrical connectors. Mark position of distributor housing to cylinder head for reassembly.
Remove distributor mounting bolts and distributor.

Installation

To install, reverse removal procedure. Install new "O" ring if damaged or worn. Insert distributor and rotate until offset drive tangs engage
camshaft slots. See

Fig. 1

,

Fig. 2

or

Fig. 3

. Check and adjust timing as required.

Fig. 1: Exploded View of Distributor Assembly (Festiva)

Courtesy of FORD MOTOR CO.

NOTE:

On Festiva, DO NOT disassemble distributor. Entire unit is serviceable only by complete replacement.