Description

Acura TSX 2004 Service Manual — Air Bag Restraint Systems

Working on the SRS system of a 2004 Acura TSX without the factory documentation is asking for trouble. Seen it too many times — a tech uses an aftermarket scan tool, guesses the connector procedure, ends up with an air bag deploying in the shop. That gets expensive fast. The Acura TSX 2004 Service Manual from AutoRepairManuals is 79 pages of OEM procedure, straight from American Honda Motor Co. No shortcuts, no rewrites. If you are going to touch the air bag system, you need this on your bench.

Air Bag Restraint System Coverage

This section is the exact factory documentation for the 2004 TSX restraint system. Covers all components — the SRS unit, front impact sensors, side curtain air bags, seat belt tensioners, and the wiring harness. Page 2 gives you component location diagrams, not a blurry photocopy. If you cannot locate the passenger side impact sensor because the aftermarket manual says it is behind the glovebox but it is actually under the dash support bracket, you waste an hour. This manual tells you where it lives. The bookmarks in the PDF let you jump straight to “Locating Restraint System Components”.

System Operation Check: Factory Procedure

Turn the ignition on. The AIR BAG light should come on for six seconds, then go off. If it stays off, stays on solid, or flashes, you have a fault. Aftermarket manuals will tell you to “check for codes” — but they will not give you the exact waveform or resistance values the factory uses. This manual does. Page 3 details the system operation check. Use a digital multimeter, not an analog one — the output must be 10 milliamp (0.01 amp) or less on the lowest ohmmeter range. I have seen guys fry the SRS unit with a cheap multimeter. Do not do that.

3 Critical Safety Warnings on Page 3

Page 3 lists three rules you cannot ignore. First, never install used SRS parts from another vehicle — new parts only. Second, disconnect the negative battery cable and wait at least three minutes before touching anything. Third, when the ignition is on or has been off less than three minutes, do not bump the SRS unit. These are not suggestions. The manual also tells you how to store a removed air bag: deployment side up, on a flat surface away from heat, oil, grease, and water. If you store it face down, accidental deployment can launch it into your chest. That will ruin your day.

Disabling the Air Bag System: Factory Procedure

Page 4 covers the spring-loaded lock connectors. To disconnect, you pull the spring-loaded sleeve toward the stop while holding the opposite half. Then pull the halves apart. Most guys grab the connector body and yank — that damages the locking clip. The manual shows you exactly which direction to press. To reconnect, hold the pawl-side connector half and press on the back of the sleeve-side half. The sleeve gets pushed back by the pawl. If you do it wrong, you will not get a solid connection, and the air bag might not fire when it should. That is a liability I do not want on my record.

Before you start, get the anti-theft code for the radio — the manual reminds you on page 4. The radio has a theft-protection circuit, and disconnecting the battery locks it. You can waste an hour driving to the dealership for a code. Plan ahead.

Who Needs This Manual?

DIY owner doing a steering wheel swap? Professional shop doing a post-collision SRS diagnostic? Both. If you have a 2004 TSX with the air bag light on, you need the factory diagnostic procedure — not a generic code list. The manual gives you the exact steps for reading codes, clearing them, and verifying the system is safe to return to the customer. For a workshop owner, this eliminates the guesswork that eats into billable hours. Your techs will not be scratching their heads over connector orientation.

Source Authenticity: OEM vs Aftermarket

This is not a third-party reprint. AutoRepairManuals holds the largest collection of OEM factory shop manuals in North America. The PDF you get is the exact document American Honda Motor Co. released for the 2004 TSX. I have seen aftermarket manuals that skip the anti-theft code warning, give the wrong connector unlocking direction, or omit the 10 milliamp multimeter spec. That kind of omission gets someone hurt. If you want to compare, look at how the automotive industry handles documentation standards — see Automotive Industry Overview and Automotive Industry Overview.

Related Manuals

• Acura TSX 2004 Service Manual
• Acura Integra 1998 Service Manual – OEM Factory Specs
• 1993 Acura Vigor Service Manual – OEM Factory Specs

FAQ

Does this manual cover the full engine and transmission?

No, this is a 79-page subsection focused on the air bag restraint system. For engine overhaul or transmission repair, you would need the corresponding factory manual section.

What page has the disabling procedure for the driver air bag?

Page 4 details the spring-loaded lock connector procedure for both driver and passenger air bags. Follow it exactly — incorrect disconnection can cause accidental deployment.

Can I use this manual to diagnose an intermittent air bag light?

Yes. The manual includes the system operation check and diagnostic flow from page 3 onward. It tells you what the AIR BAG warning light behavior means and how to retrieve codes. But you need a compatible scan tool or the Honda diagnostic system to pull the actual fault code — the manual gives the interpretation.

Is there any torque specification for the steering wheel bolt in this manual?

Not for the steering wheel itself — this section covers only the restraint system wiring, sensors, and SRS unit. The torque for the steering wheel bolt would be in the steering or body section of the full service manual.

The bottom line: if you are touching the SRS on a 2004 TSX, do not rely on guesswork or a $12 aftermarket CD. Access the Factory Manual from AutoRepairManuals and keep your shop safe.