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•  Overheat protection control (complete) is operating: Yes

•  Overheat protection control (complete) is not operating: No

•  Overheat protection control (middle) is operating: Yes

•  Overheat protection control (middle) is not operating: No

•  Displays temperature of board in EPS control module: −40 °C—215 °C {−40 °F—419 °F}

•  EPS control module replacement

•  Engine stopped: 0 RPM

•  Engine rotating at 3,000 RPM: 3,000 RPM

•  PCM inspection

•  The number of times the ignition is switched ON during the period from when overheat protection control (middle) is finished to the time the next overheat protection control (middle) is started

•  The number of times the ignition is switched ON during the period from when overheat protection control (complete) is finished to the time the next overheat protection control (complete) is started

•  When not steered: Near 0 A

•  Steered: Changes to positive or negative

•  Before overheat protection control (complete) has operated: Yes

•  Before overheat protection control (complete) has not operated: No

•  Before overheat protection control (middle) has operated: Yes

•  Before overheat protection control (middle) has not operated: No

•  Steering wheel position when ignition is switched ON (engine off or on): 0°

•  Steered left: Changes to 0°—Positive

•  Steered right: Changes to 0°—Negative

•  Perform the DTC inspection for the PCM, DSC HU/CM (without Mazda M Hybrid)/electronically controlled brake unit (with Mazda M Hybrid), and EPS control module. If a DTC is displayed after performing the DTC inspection for the PCM, DSC HU/CM (without Mazda M Hybrid)/electronically controlled brake unit (with Mazda M Hybrid), and EPS control module, repair the malfunctioning part according to the applicable DTC troubleshooting.

•  After performing the DTC inspection, perform the following procedures:

•  If an abnormal value is indicated after verifying the value of the “STR_ANG” again, replace the EPS control module.

•  Steering wheel in neutral position (not turned): 0°

•  Steered left: Changes to 0°—Positive

•  Steered right: Changes to 0°—Negative

•  Perform the DTC inspection for the PCM, DSC HU/CM (without Mazda M Hybrid)/electronically controlled brake unit (with Mazda M Hybrid), and EPS control module. If a DTC is displayed after performing the DTC inspection for the PCM, DSC HU/CM (without Mazda M Hybrid)/electronically controlled brake unit (with Mazda M Hybrid), and EPS control module, repair the malfunctioning part according to the applicable DTC troubleshooting.

•  After performing the DTC inspection, perform the following procedures:

•  If an abnormal value is indicated after verifying the value of the “STR_ANG_EST” again, replace the EPS control module.

•  Not steered: Near 0 °/s

•  Steered: Changes according to steering speed

•  EPS control module replacement

•  Not steered: Near 0 Nm

•  Steered left: Changes to 0 Nm—Positive

•  Steered right: Changes to 0 Nm—Negative

•  EPS control module replacement

•  Not steered: Near 0 Nm

•  Steered left: Changes to 0 Nm—Positive

•  Steered right: Changes to 0 Nm—Negative

•  EPS control module replacement

•  Not steered: Near 0 Nm

•  Steered left: Changes to 0 Nm—Negative

•  Steered right: Changes to 0 Nm—Positive

•  EPS control module replacement

•  Not steered: Near 0 Nm

•  Steered left: Changes to 0 Nm—Negative

•  Steered right: Changes to 0 Nm—Positive

•  EPS control module replacement

•  Engine stopped: Approx. 12 V

•  Idling: Approx. 14 V

•  Battery inspection

•  Power supply circuit inspection (fuses)

•  Vehicle stopped: 0 KPH, 0 MPH

•  Vehicle speed 20 km/h {12 mph}: 20 KPH, 12 MPH

•  PCM inspection