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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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EPS CONTROL MODULE INSPECTION

1. Measure the voltage of the EPS control module using a tester.

Terminal Voltage Table (Reference)

Terminal

Connected to

Test condition

Specification (Reference)

Inspection item

1A

Battery

Under any condition

B+

2A

IG1 relay

Ignition off

1.0 V or less

  • Inspect the IG1 relay.

    (See RELAY INSPECTION.)

  • Inspect related wiring harness.

Ignition ON (engine off)

B+

2B

CAN related module

Because this terminal is for communication, determination using terminal voltage inspection is not possible. Perform the inspection using the DTC inspection.

2C

CAN related module

Because this terminal is for communication, determination using terminal voltage inspection is not possible. Perform the inspection using the DTC inspection.
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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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