2012 Acura TSX Repair Manual

The 2012 Acura TSX Repair Manual provides comprehensive technical information for maintenance, repair, and troubleshooting of the 2012 Acura TSX model. This manual covers engine systems, transmission, suspension, brakes, electrical systems, body components, and diagnostic procedures for both 2.4L 4-cylinder and 3.5L V6 engine variants. Below are key sections for maintenance schedules, repair procedures, specifications, and troubleshooting guides.

1. Maintenance Schedules 2. Engine Systems 3. Transmission 4. Suspension & Steering 5. Brake Systems 6. Electrical Systems 7. Body & Interior 8. Specifications 9. Diagnostic Procedures 10. Safety Precautions 11. Troubleshooting

Maintenance Schedules

Regular maintenance intervals for optimal performance and longevity.

Service Interval	Required Maintenance
7,500 miles/12 months	Oil and filter change, tire rotation, fluid inspections
15,000 miles/12 months	Replace air filter, inspect brake system, check suspension
30,000 miles/24 months	Replace spark plugs, inspect drive belts, check fuel system
60,000 miles/48 months	Replace timing belt (4-cylinder), transmission fluid, coolant
90,000 miles/72 months	Replace brake fluid, inspect all major systems

Engine Systems

Detailed repair procedures for 2.4L K24Z3 and 3.5L J35Z2 engines.

Engine removal and installation: Proper hoist points and procedure.
Cylinder head service: Torque specifications and valve adjustment.
Timing system: Chain (V6) and belt (4-cylinder) replacement procedures.
Fuel system: Fuel pump replacement and injector service.
Cooling system: Radiator, thermostat, and water pump replacement.

WARNING! Always disconnect battery before working on engine systems. Allow engine to cool completely before servicing.

Transmission

Service procedures for 5-speed automatic and 6-speed manual transmissions.

Automatic transmission: Fluid change intervals and filter replacement.
Manual transmission: Clutch replacement and shift linkage adjustment.
Differential service: Fluid specifications and change procedures.
Transmission removal: Proper support and alignment procedures.

CAUTION! Use only recommended Honda ATF-Z1 for automatic transmissions.

Suspension & Steering

Front suspension: MacPherson strut replacement and alignment specifications.
Rear suspension: Multi-link system service and bushing replacement.
Steering system: Power steering pump and rack service procedures.
Wheel alignment: Factory specifications and adjustment procedures.
Shock absorbers: Replacement guidelines and torque values.

Brake Systems

Service procedures for standard and optional brake systems.

Front brakes: Disc brake pad replacement, rotor service, caliper rebuild.

Rear brakes: Drum or disc service, parking brake adjustment.

ABS system: Diagnostic trouble codes, sensor replacement, module service.

Brake bleeding: Proper sequence and fluid specifications (DOT 3 or 4).

Electrical Systems

Wiring diagrams and component service procedures.

Battery: Testing and replacement procedures.
Charging system: Alternator testing and replacement.
Starting system: Starter motor service and solenoid testing.
Lighting systems: Headlight adjustment and bulb replacement.
ECU systems: Diagnostic connector locations and code retrieval.

Tip: Always use factory service connector for diagnostic procedures.

Body & Interior

Body panel replacement and interior component service.

Door panel removal: Proper clip locations and procedure.
Bumper removal: Front and rear bumper service.
Seat service: Power seat motor replacement and track repair.
Dashboard: Component access and removal procedures.
Glass replacement: Windshield and window service guidelines.

WARNING! Use proper trim removal tools to avoid damage to interior components.

Specifications

Technical specifications and torque values.

Component	Specification
Engine oil capacity	4.4 quarts (2.4L), 5.5 quarts (3.5L)
Coolant capacity	6.9 quarts (2.4L), 7.4 quarts (3.5L)
Spark plug gap	0.039-0.043 inches
Tire pressure	32 PSI (front and rear)
Fuel capacity	18.5 gallons

Diagnostic Procedures

Using factory diagnostic tools and procedures.

OBD-II connector location: Under dashboard, driver's side.

Factory scan tool: Honda HDS system compatibility.

Common diagnostic codes: P0300 series (misfire), P0420 (catalyst efficiency).

Safety Precautions

Essential safety procedures for all repair work.

CAUTION! Always use jack stands when working under vehicle. Wear safety glasses during all repair procedures.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, starter, fuel pump	Check battery voltage, test starter, listen for fuel pump prime.
Rough idle	Spark plugs, vacuum leak	Replace spark plugs, inspect for vacuum leaks.
Brake vibration	Warped rotors	Resurface or replace brake rotors.
Transmission slipping	Low fluid, worn clutch	Check fluid level, inspect clutch wear.
Electrical issues	Faulty ground, blown fuse	Check ground connections, inspect fuse box.

Technical Support: 1-800-999-1009; www.acura.com