Toyota CELICA 1990 (FWD) User Manual

FOREWORD
This wiring diagram has been prepared to provide information
on the electrical system of the 1990 TOYOTA CELICA (FWD).
Applicable models: AT180 Series
ST184 Series
For service specifications and repair procedures of the above
models other than those listed in this manual, refer to the
following manuals:
Manual Name Pub. No.
 1990 Celica Repair Manual
 1990 Celica New Car Features
RM149U
NCF056U
All information in this manual is based on the latest product
information at the time of publication. However, specifications
and procedures are subject to change without notice.
TOYOTA MOTOR CORPORATION
This vehicle has an SRS AIRBAG (referred to as the airbag in the remainder
of this manual).
When handling airbag components (removal, installation or inspection, etc.),
always follow the directions given in the repair manuals listed above to
prevent the occurrence of accidents and airbag malfunction.
NOTICE

Toyota CELICA 1990 (FWD) Specifications

General

Brand	Toyota
Model	CELICA 1990 (FWD)
Category	Automobile
Language	English

Summary

INTRODUCTION

How to Use This Manual

Troubleshooting Guidance

Procedures for voltage checks and continuity/resistance tests.

Finding Short Circuits

Methodology for locating short circuits in the wiring.

Relay Locations

Electrical Wiring Routing

Power Source (Current Flow Chart)

Chart detailing current flow from the battery to electrical sources.

Ground Points

Starting and Ignition System

Detailed information on the starting and ignition system components.

Engine Control System (5S-FE)

Overview and operation of the 5S-FE engine control system.

Engine Control System (4A-FE)

Overview and operation of the 4A-FE engine control system.

Charging System

Taillight System

Headlight System (USA)

Fog Light System (USA)

Stop Light System

Turn Signal and Hazard Warning Light

Light Reminder Buzzer System

Power Window System

Explanation of power window system operations and service hints.

Door Lock System

Explanation of door lock system operations and service hints.

Rear Wiper and Washer System

Front Wiper and Washer System

Rear Window Defogger System

Sun Roof System

ECT System (Electronic Controlled Transmission)

Overview and operations of the ECT system.

Shift Lock System

Cruise Control System (Motor Type)

Explanation and service hints for the motor type cruise control system.

Cruise Control System (Vacuum Type)

Explanation and service hints for the vacuum type cruise control system.

ABS (Anti-Lock Brake System)

Overview and service hints for the ABS system.

SRS Airbag System

Precautionary instructions and system overview for the SRS Airbag.

Radiator Fan and Air Conditioner (Automatic AC, Push Type)

Overview and operation of cooling fan and heater blower.

Radiator Fan and Air Conditioner (Manual AC, Push Type)

Overview and operation of cooling fan and heater blower.

Radiator Fan and Air Conditioner (Manual AC, Dial Type)

Overview and operation of cooling fan and heater blower.