Mazda 3 manuals

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

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

Terminal Voltage Table (Reference)



Terminal

Signal name

Connected to

Measured item

Measured terminal (measured condition)

Standard

Inspection item(s)

1A

Ground

Ground point

Voltage

Under any condition

1 V or less

  • Wiring harness (1A—ground point)

1B

Battery power supply

Battery

Voltage

Under any condition

B+

  • Wiring harness (1B—battery)

  • Fuse (EHPAS 80A)

2A

2B

CAN_L

Inspect under DTC inspection.

2C

2D

CAN_H

Inspect under DTC inspection.

2E

2F

Ignition power supply

Ignition switch or IG1 relay

Voltage

Switch the ignition to ON

B+

  • Wiring harness (2F—ignition switch or IG1 relay—battery)

  • Fuse (ABS IG 7.5A)

Switch the ignition to off

1 V or less


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 o ...

Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]
Coil Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the OCV connector. 5. Measure the resistance ...

Other materials:

Towing Description
We recommend that towing be done only by an Authorized Mazda Dealer or a commercial tow-truck service. Proper lifting and towing are necessary to prevent damage to the vehicle. Government and local laws must be followed. A towed vehicle usually should have its drive wheels (front wheel ...

Lighting System Personalization Features Setting Procedure
Auto Light System 1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initial screen of the IDS. Select the “Module Programming” Select the “Programmable Parameters”. Select menu in the Exterior Lighting. ...

Fuse Replacement
Replacing the fuses on the vehicle's left side If the electrical system does not work, first inspect the fuses on the vehicle's left side. Make sure the ignition is switched off, and other switches are off. Open the fuse panel cover. Pull the fuse straight out with the fuse pul ...

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