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:

Foot Brake
This vehicle has power-assisted brakes that adjust automatically through normal use. Should power-assist fail, you can stop by applying greater force than normal to the brake pedal. But the distance required to stop will be greater than usual. WARNING Do not coast with the engine ...

Oil Control Valve (OCV) Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the charge air cooler.. 4. Remove the ignition coils.. 5. Disconnect the ventilation hose from the cylinder head cover.. 6. Remove the cylinder head cover.. 7. Remove in the order indicated in the table. ...

Shroud Panel Removal/Installation
CAUTION: Because the shroud panel is installed to the bumper reinforcement, support the shroud panel using a jack before removing the bumper reinforcement so as not to apply excessive force to the shroud panel. Since the servicing is performed with the hood open, secure the hoo ...

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