1991 Acura Legend Complete Service Manual

•    Honda Legend Repair Manual

•    Honda Service Manual

•    Honda KA7 Workshop Manual

•    Honda Legend Maintenance Guide

•    Honda Legend Troubleshooting
•    Honda Legend KA7 Repair

•    Honda Legend 1991 Manual

•    Honda Legend C32A Engine

•    Honda Legend Transmission Guide
•    Honda Legend Engine Repair

•    Honda Legend Suspension Repair

•    Honda Legend Brake System

•    Honda Legend Fuel System

•    Honda Legend Electrical Wiring

•    Honda Legend Check Engine Light

•    Honda Legend ECU Reset

•    Honda Legend ABS Troubleshooting

•    Honda Legend Idle Issues

•    Honda Legend Fuel Pump Problems

•    Honda Legend Oil Change

•    Honda Legend Timing Belt Replacement

•    Honda Legend Transmission Fluid Change

•    Honda Legend Wheel Alignment

•    Honda Legend Brake Pad Replacement
•    Honda Legend Throttle Body Adjustment

•    Honda Legend Ball Joint Replacement

•    Honda Legend Ignition System

•    Honda Legend Air Conditioning Repair

•    Honda Legend Power Steering Fix
•    Honda Legend Torque Specifications

•    Honda Legend ECU Diagnostics

•    Honda Legend Wiring Diagram

•    Honda Legend Engine Sensors

•    Honda Legend Transmission Solenoid

The document is a comprehensive service manual for Honda vehicles, covering maintenance, troubleshooting, and repair procedures. It includes sections on engine, transmission, brakes, suspension, electrical systems, and safety features like the Supplemental Restraint System (SRS). Special tools, torque specifications, and safety precautions are also detailed.

The manual covers Honda vehicles from the 1991 model year. Specific models mentioned include:

•    Honda Legend 4-Door Sedan (KA7 chassis)

•    Various engine types such as C32A2, C32A3, C32A4, and C32A5

•   Transmission types including manual (M/T) and automatic (A/T)

•    Different regional variants such as KF, KG, KS, KX, KE, KQ, KY, and KT

The manual provides detailed servicing and troubleshooting for these models, including engine, transmission, electrical, suspension, and safety systems.

Manual Overview
General Information

•    Manual Structure: 14 sections with black tabs for easy navigation.

•    Safety Warnings: Includes warnings, cautions, and notes for safe servicing.

•    Service Precautions: Only authorized Honda dealers should service SRS components.
Vehicle Identification

•    Chassis & Engine Numbers: VIN, engine type, and transmission details.

•    Label Locations: Includes warning/caution labels for various components.
Maintenance & Repairs

•    Lift & Support Points: Proper hoisting and weight distribution instructions.

•    Towing Guidelines: Flat-bed towing is recommended; improper towing damages transmission.

•    Brake System Servicing: High-pressure brake fluid precautions and replacement guidelines.
Fuel & Emission Systems

•    Fuel Line Servicing: Pressure relief procedures before disconnecting fuel components.

•    Emission Control: Covers EGR, catalytic converter, and oxygen sensors.
Supplemental Restraint System (SRS)

•    Airbag Safety: Yellow wiring insulation; do not test with electrical equipment.

•    Components: Dash sensors, SRS unit, cable reel, and airbag assembly.
Electrical & Lighting Systems

•    Wiring & Connectors: Diagrams, routing, and troubleshooting for electrical components.

•    Lighting System: Headlights, taillights, and dashboard indicators maintenance.
Suspension & Steering

•    Wheel Alignment: Caster, tire pressure, and suspension checks before adjustments.

•    Rear Suspension: Damper disposal precautions due to high-pressure nitrogen gas.
Special Tools & Equipment

•    Honda-Specific Tools: Includes sockets, gauges, and diagnostic tools for repairs.
•    Brake System Tools: Bleeder wrenches, ALB checkers, and pressure gauges.

•    Manual Structure: The manual is divided into 14 sections, each marked with a black tab for quick navigation. It includes symbols for reference and a table of contents in each section.

•    Safety Warnings: Contains warnings and cautions to prevent personal injury, vehicle damage, or unsafe conditions. Special precautions are needed for SRS components.

•    Towing Guidelines: Recommends flat-bed towing for safety. If towing with wheels on the ground, specific steps must be followed to avoid transmission damage.

•    Lift and Support Points: Proper hoisting techniques are outlined, including weight distribution considerations to prevent tipping. Safety stands must always be used.

•    Fuel and Brake System Precautions: High-pressure fuel and brake systems require careful handling. New washers, O-rings, and seals must be used when servicing.

•    Supplemental Restraint System (SRS): The airbag system requires specialized tools and must be serviced only by authorized Honda dealers to prevent accidental deployment.

•    Component Troubleshooting: The manual includes detailed troubleshooting guides for systems like PGM-FI, ignition, and emissions, with sensor locations and diagnostic steps.

•    Lighting and Electrical Systems: Covers lighting components, wiring diagrams, and power systems, including security alarms, power seats, and windshield wipers.

Here are the top 10 questions answered in this manual:

1.    How do I troubleshoot the Check Engine Light?
    
•    The manual provides a troubleshooting guide for the PGM-FI ECU, oxygen sensors, manifold absolute pressure sensor, and other related components.

2.    How do I adjust the throttle cable?
    
•    Steps include checking the cable free play, adjusting the locknut, and ensuring the throttle valve opens fully when the accelerator pedal is pressed.

3.    How do I diagnose fuel system issues?
    
•    The manual outlines troubleshooting for fuel injectors, pressure regulator, fuel filter, and fuel pump, ranking them in order of inspection priority.

4.    How do I reset the ECU after troubleshooting?
    
•    The ECU can be reset by removing the BACK UP fuse for 10 seconds, then idling the engine for one minute.

5.    How do I inspect and replace the throttle body?
    
•    The process includes checking for vacuum leaks, ensuring the idle adjusting screw is not tampered with, and verifying vacuum readings.

6.    How do I adjust the shift cable for proper gear selection?
    
•    The manual provides steps for aligning the adjuster hole, loosening the locknut, and ensuring smooth shift lever movement.

7.    How do I troubleshoot brake system issues?
    
•    Covers anti-lock brake system (ABS) diagnostics, brake fluid pressure relief, and wheel sensor signal confirmation.

8.    How do I replace and adjust the sunroof?
    
•    Instructions include glass height adjustment, wind deflector adjustment, and motor replacement.

9.    How do I diagnose ignition system failures?
    
•    Provides troubleshooting steps for components like the igniter unit, crank/cylinder sensor, and ignition timing adjuster.

10.    How do I replace and adjust door components?

•    Instructions cover door panel removal, power window switch replacement, door handle adjustments, and weatherstrip installation.

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