2006 Acura TSX Repair Manual

The 2006 Acura TSX Repair Manual provides comprehensive technical information for servicing and maintaining the 2006 Acura TSX sedan. This manual covers engine systems (2.4L K24A2 i-VTEC), transmission (5-speed automatic or 6-speed manual), suspension, brakes, electrical systems, HVAC, body components, and diagnostic procedures. Below are key sections for maintenance schedules, troubleshooting, repair procedures, specifications, and technical data.

1. Maintenance Schedule 2. Engine Systems 3. Transmission 4. Brake System 5. Suspension & Steering 6. Electrical System 7. HVAC System 8. Body & Interior 9. Technical Specifications 10. Diagnostic Trouble Codes 11. Troubleshooting Guide

Maintenance Schedule

Regular maintenance intervals for optimal performance and longevity.

Service Interval	Required Maintenance
7,500 miles/12 months	Oil and filter change, tire rotation, fluid inspection
15,000 miles/24 months	Replace air filter, inspect brake system, check suspension
30,000 miles/48 months	Replace spark plugs, inspect drive belts, coolant replacement
60,000 miles/96 months	Replace timing chain, transmission fluid, brake fluid flush
90,000 miles/144 months	Replace fuel filter, inspect exhaust system, check engine mounts

Engine Systems

2.4L K24A2 i-VTEC 4-cylinder engine specifications and repair procedures.

Engine removal and installation: Disconnect battery, drain coolant, remove accessories.
Valve adjustment: Cold engine procedure - intake: 0.20-0.24mm, exhaust: 0.28-0.32mm.
Timing chain replacement: Align timing marks, tensioner installation procedure.
Fuel system: Fuel pressure specification - 50-55 psi (idle).

WARNING! Always disconnect battery before working on electrical systems. Use proper lifting equipment.

Transmission

5-speed automatic and 6-speed manual transmission service procedures.

Automatic transmission fluid change: Use Honda ATF-Z1, capacity 2.9 quarts.
Manual transmission fluid: Honda MTF, capacity 2.2 quarts.
Clutch replacement: Flywheel resurfacing specifications.
Shift linkage adjustment: Proper gear engagement procedures.

CAUTION! Use only specified fluids. Improper fluid can cause transmission damage.

Brake System

Front Brakes: Disc brakes, pad thickness minimum 1.0mm.
Rear Brakes: Disc brakes, pad thickness minimum 1.0mm.
Brake Fluid: DOT 3 or DOT 4, replace every 3 years.
Rotor Specifications: Minimum thickness: front 22.0mm, rear 8.0mm.
ABS System: 4-channel ABS with EBD.
Parking Brake: Self-adjusting rear caliper system.

Suspension & Steering

Front MacPherson strut, rear multi-link suspension system.

Front Suspension: Strut replacement, control arm bushing inspection, ball joint check.

Steering: Electric power steering (EPS), steering angle sensor calibration.

Wheel Alignment: Front toe: 0° ± 0.2°, camber: -0°30' ± 0°45', caster: 2°30' ± 0°45'. Rear toe: 0°12' ± 0°12', camber: -1° ± 0°30'.

Electrical System

Battery, charging, starting systems and wiring diagrams.

Battery: 12V 60Ah, located in engine compartment.
Alternator: 110A output, charging voltage 13.5-15.1V.
Starter: 1.4kW reduction gear type.
Fuse boxes: Under-hood and driver's side dashboard.

Tip: Always disconnect negative battery terminal first when working on electrical systems.

HVAC System

Heating, ventilation, and air conditioning service procedures.

AC refrigerant: R-134a, capacity 17-19 oz.
Compressor oil: PAG 46, 4.5 oz for new compressor.
Blower motor replacement: Remove glove box assembly.
Heater core replacement: Dashboard removal required.
AC pressure: High side 150-250 psi, low side 25-40 psi.

WARNING! AC system under high pressure. Use proper recovery equipment.

Body & Interior

Body panel replacement, interior trim, and accessory installation.

Technical Specifications

Complete vehicle specifications and torque values.

CAUTION! Always use torque wrench for critical fasteners. Overtightening can cause damage.

Diagnostic Trouble Codes

OBD-II trouble code definitions and diagnostic procedures.

DTC Code	Description	Possible Cause
P0300	Random/Multiple Cylinder Misfire	Ignition coils, spark plugs, fuel injectors
P0420	Catalyst System Efficiency Below Threshold	Catalytic converter, oxygen sensors
P1456	EVAP System Leak Detected	Gas cap, EVAP canister, hoses
U0155	Lost Communication With Instrument Panel	Wiring, instrument cluster, CAN bus

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, starter, fuel pump	Check battery voltage, listen for fuel pump, test starter.
Rough idle	Vacuum leak, dirty throttle body	Inspect vacuum hoses, clean throttle body, check MAF sensor.
Brake vibration	Warped rotors	Measure rotor runout, replace if exceeds 0.05mm.
AC not cooling	Low refrigerant, compressor	Check refrigerant pressure, test compressor clutch.
Check engine light	Various sensors/systems	Scan for DTCs, follow diagnostic chart for specific code.

Reset: Clear DTCs with scan tool after repairs.

Service: Acura dealership or certified technician recommended for complex repairs.