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Hondata, Inc.
2840 Columbia St
Torrance, CA 90503
Introduction

These instructions document the removal of the TSX ECU, and immobiliser for reflashing by Hondata. The TSX ECU is located between the driver's and passenger's footwell.

Tools needed: Screwdriver, ratchet and 10mm socket.

 

By the drivers right foot there is a triangular plastic panel. Hold the outer plastic ring with one hand and turn the center plastic Philips screw 1/8th of a turn counterclockwise with the other. The plastic Philips screw should then be easily pulled straight out.

 

From the top section of the triangular panel, remove the metal Philips screw.

 

The panel is secured by three spring clip fittings located as shown here.

 

Pull the plastic panel out.

 

Pull back the carpet and undo the left 10mm bolt holding in the ECU.

 

Repeat for the right hand triangular kick panel.

 

It is secured by only one plastic Philips screw.

 

The three spring clip fittings are located here as shown.

 

Unclip the 4 ECU connectors. The clip to depress is located on the top middle of each of the 4 ECU connectors.

 

Unbolt the second of the two 10mm bolts securing the ECU.

 

Slide the ECU out. It is quite a tight fit.

 

Insert the ignition key and turn the steering wheel to the left by about 45 degrees. Depress the top plastic in at the centre by about 3mm. This is to clear a clip located on the bottom piece of plastic. There are three clips on the left hand side. And three on the right.

 

Rotate the steering wheel to the right and repeat.

 

The location and structure of the three right hand clips from outside.

 

And from inside.

Remove the three screws holding the bottom piece of steering column cover on.

 

Lower the bottom steering wheel adjustment arm. You will need to move the steering column in and out as well as up and down to remove the lower piece of plastic.

 

The immobilizer transceiver is the circular plastic ring closest to the head of the ignition key. It is held on by two screws.

Make sure you have an unworn correctly sized Philips screwdriver as you do not want to burr the heads on these screws.

The three items needed to be sent are one key, the immobilizer and the ECU.

 

Transfer these serial numbers onto the reflash form and send to your dealer.

 

 

Copyright 2015 Hondata, Inc. All rights reserved. Warranty Information
Products not legal for sale or use in California on any pollution controlled motor vehicles.