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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
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