Mazda 3 Service Manual: Electro Hydraulic Power Assist Steering (EHPAS) Control Module Configuration

Mazda 3 Service Manual / Steering / Linkage, Power / Electro Hydraulic Power Assist Steering (EHPAS) Control Module Configuration

CAUTION:

If the EHPAS CM configuration is not completed, the EHPAS will not operate properly. If the EHPAS CM is replaced, always carry out the EHPAS CM configuration so that the EHPAS operates properly.

1. Connect the M-MDS (IDS) to the DLC-2.

2. After the vehicle is identified, select the following items from the initialization screen of the IDS.

Select the “Module Programming”.

3. Then, select items from the screen menu in the following order.

Select “Programmable Module Installation”.
Select “EPS”.

4. Perform the configuration according to the directions on the screen.

5. Retrieve DTCs by the IDS, then verify that there is no DTC present.

If a DTC (s) is detected, perform the applicable DTC inspection..

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CAUTION: Be careful not to drop the electric power steering oil pump component as the internal parts of the EHPAS CM could be damaged. Replace the electric power steering oil pump compon ...

Electro Hydraulic Power Assist Steering (EHPAS) Control Module Inspection

Terminal Voltage Table (Reference) Terminal Signal name Connected to Measured item Measured terminal (measured condition) ...

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