Operation CHARM: Car repair manuals for everyone.

Information

Bulletin No.: 002/93
Issued: 9/16/93
Revised

Category
G

Applicable Model/s
All Models

Subject:
DIAGNOSTIC PROCEDURES (See Itemized List Below)

APPLICABLE MODELS
All 1988 model vehicles through 1994 model vehicles except Navajo and 1994 B-Series.

DESCRIPTION

This bulletin contains diagnostic and repair procedures for the following components:

Engine Control Units (ECU)

Air Flow Meters

Fuel Pumps

Alternators

Each procedure includes the following:

1. Outline Of Diagnostics, Parts Requirements and Warranty Application - Illustrates the steps from diagnostics through parts return and warranty submission.

2. Diagnostic Procedures - Step by step testing of the component and circuit.

3. Component Check Sheet - Details of the customer complaint and events leading to the repair.

NOTE:
Proper completion of the check sheets are required for warranty claim submission.

NOTE:
Refer to information as shown for an individual component index.

SECTION 1

Outline

ECU Diagnostics

ECU Check Sheet

SECTION 2

Outline

Air Flow Meter Diagnostics

Air Flow Meter Check Sheet

SECTION 3

Outline

Fuel Pump Diagnostics

Fuel Pump Check Sheet

Section 4

Outline

Charging System Diagnostics

Alternator and Battery Check Sheet

Section 5

Warranty Information

Refer to the applicable workshop manual for symptoms not described in this bulletin. If further reference is required, contact the Technical Hotline in your area.