2012 Acura TSX Service Manual

The 2012 Acura TSX Service Manual provides comprehensive technical information for maintenance, repair, and service procedures for the 2012 Acura TSX models. This manual covers engine systems, transmission, suspension, brakes, electrical systems, body components, and diagnostic procedures. Below are key sections for maintenance schedules, technical specifications, repair procedures, and troubleshooting.

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

Maintenance Schedule

Recommended service intervals for optimal vehicle performance and longevity.

Service Interval	Required Maintenance
7,500 miles	Oil and filter change, tire rotation
15,000 miles	Engine air filter replacement, brake inspection
30,000 miles	Transmission fluid change, coolant replacement
60,000 miles	Spark plug replacement, timing belt inspection
90,000 miles	Major service including all fluids and filters

Engine Systems

Detailed procedures for engine maintenance and repair.

Engine oil change procedure: Drain plug removal, filter replacement, refill with 5W-20 synthetic oil.
Spark plug replacement: Remove ignition coils, replace plugs with NGK IZFR6K11.
Timing chain inspection: Check tensioner and guide wear.
Cooling system: Radiator flush and thermostat replacement.

WARNING! Always disconnect battery before working on engine systems. Use proper safety equipment.

Transmission

Automatic and manual transmission service procedures.

Automatic transmission fluid change: Use Honda ATF-Z1 fluid.
Manual transmission: Clutch replacement and fluid service.
Shift linkage adjustment: Proper gear engagement.
Transmission mount inspection: Check for wear and deterioration.

CAUTION! Use only specified transmission fluids to prevent damage.

Suspension & Steering

Front suspension: MacPherson strut assembly replacement
Rear suspension: Multi-link system service
Steering system: Power steering fluid and pump service
Wheel alignment: Camber, caster, and toe specifications
Shock absorbers: Inspection and replacement procedures

Brake Systems

Complete brake system maintenance and repair procedures.

Front brakes: Disc brake pad replacement, rotor resurfacing. Rear brakes: Drum or disc service. ABS system: Diagnostic trouble codes and sensor replacement. Brake fluid: DOT 3 fluid replacement every 3 years.

Electrical Systems

Battery, alternator, starter, and wiring diagrams.

Battery replacement: Disconnect negative terminal first.
Alternator testing: Output voltage and current checks.
Starter motor: Removal and installation procedure.
Fuse box locations: Engine compartment and interior panels.

Tip: Always disconnect battery before electrical work to prevent short circuits.

Body & Interior

Body panel replacement and interior component service.

Door panel removal: Clip locations and fastener types.
Dashboard components: Radio and climate control removal.
Exterior lighting: Headlight and taillight replacement.
Window regulators: Motor and mechanism service.
Seat removal: Power seat motor and track service.

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

Technical Specifications

Vehicle dimensions, capacities, and torque specifications.

Specification	Value
Engine displacement	2.4L I4 (K24Z3)
Horsepower	201 hp @ 7000 rpm
Torque	172 lb-ft @ 4400 rpm
Transmission	6-speed manual or 5-speed automatic
Fuel capacity	18.5 gallons
Oil capacity	4.2 quarts with filter
Coolant capacity	6.3 quarts

Diagnostic Procedures

Using diagnostic tools and interpreting trouble codes.

OBD-II connector location: Under dashboard. Common trouble codes: P0300 (random misfire), P0420 (catalyst efficiency). Scan tool operation: Code retrieval and clearing procedures. Live data monitoring: Sensor readings and system parameters.

Safety Precautions

Essential safety procedures for all service work.

Always use jack stands when lifting vehicle. Disconnect battery before electrical work. Use proper personal protective equipment. Follow torque specifications precisely. Dispose of fluids according to environmental regulations.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, starter, fuel system	Check battery voltage, fuel pressure, starter operation
Poor fuel economy	Air filter, sensors, tires	Replace air filter, check MAF sensor, verify tire pressure
Brake vibration	Warped rotors	Resurface or replace brake rotors
Electrical issues	Battery, alternator, grounds	Test charging system, check ground connections
Transmission shifting problems	Fluid level, sensors	Check fluid level and condition, scan for codes

Technical Support: 1-800-382-2238; www.acura.com