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 ...

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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:

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Starter Interlock Switch Inspection [Mzr 2.0, Mzr 2.5]
CAUTION: Do not reuse the starter interlock switch if it is removed from the vehicle even once. Replace with a new starter interlock switch when installing. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the starter interlock switch connec ...

Generator Disassembly/Assembly [Mzr 2.0, Mzr 2.5]
CAUTION: Melt the solder quickly, otherwise the diodes (rectifier) and regulator will be damaged by excessive heat. 1. Disassemble in the order indicated in the table. 2. Assemble in the reverse order of disassembly. MZR 2.0 1 Rotor component ...

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