Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Operation

POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > Subaru Select Monitor

OPERATION

1. HOW TO USE SUBARU SELECT MONITOR

For detailed operation procedures, refer to “Application help”.

2. READ CURRENT DATA

1. On «Start» display, select «Diagnosis».

2. On «Vehicle selection» display, input the vehicle information and select «Confirmed».

3. On «Main Menu» display, select «Each System».

4. On «Select System» display, select «Power Steering».

5. On «Select Function» display, select «Data Monitor».

Display

Contents to be displayed

Range

Unit

Torque sensor main output

Main torque sensor output voltage is displayed.

0 — 5

V

Torque sensor sub output

Sub torque sensor output voltage is displayed.

0 — 5

V

Torque sensor reference voltage

Torque sensor standard voltage is displayed.

0 — 5

V

Power current

The current flowing to CM is displayed.

−128 — 127

A

Vehicle Speed

Vehicle speed is displayed. (CAN communication data)

0 — 255

km/h

Engine Speed

Engine speed is displayed. (CAN communication data)

0 — 12750

rpm

Detection current at ECM

The current flowing to the motor relay is displayed.

−128 — 127

A

3-phase motor current (U-phase)

The U phase actual current value as calculated by the microcomputer from the torque sensor input is displayed.

−128 — 127

A

3-phase motor current (V-phase)

The V phase actual current value as calculated by the microcomputer from the torque sensor input is displayed.

−128 — 127

A

Motor angular speed

Data from the resolver sensor is displayed.

−4096 — 4064

rpm

CU Temperature

The thermistor temperature of the steering control module is displayed.

−50 — 205

°C

Power supply voltage

Battery voltage is displayed.

0 — 25.5

V

Torque sensor power supply voltage

The power supply voltage output to the torque sensor is displayed.

0 — 10.2

V

IG Voltage

The power supply voltage supplied to the ECM is displayed.

0 — 25.5

V

CAN Bus Status

Either Active/Passive/Bus Off is displayed.

EPS operating condition

Either Normal/Assist Stop/Assist Limitation is displayed.

Target Current at ECM

The motor target current value required for assist is displayed.

−128 — 127

A

Steering angle

Steering angle of steering wheel is displayed.

−640 — 635

deg

Reading assist MAP

Either MAP1/MAP2/MAP3 is displayed.

Overheating protection intervention history

Number of interventions to the overheat protection control (assist limitation for protecting the power steering from overheating)*1

0 — 250

times

IG Count after ECU Overheat Protection(latest)

Number of times the ignition switch is ON from the intervention to overheat protection control (most recent) until now*2

0 — 65000

times

IGN count from overheating protection (previous)

Number of times the ignition switch is ON from the intervention to overheat protection control (previous) until now*2

0 — 65000

times

IGN count from overheating protection (before previous)

Number of times the ignition switch is ON from the intervention to overheat protection control (before previous) until now*2

0 — 65000

times

Assist limit history (low voltage, high voltage)

Number of intervention to assist limit when the power supply voltage is low or high*1

0 — 250

times

IG OFF Number while Driving

Number of times the ignition switch is turned OFF during driving*1

0 — 250

times

NOTE:

*1 When the value exceeds the maximum of 250 times, 250 is displayed.

*2 When there is no intervention of the overheating protection control, “65535” is displayed. If an error such as control unit memory error, etc. occurs, “65534” is displayed.

For detailed operation procedures, refer to “Application help”.

3. READ FREEZE FRAME DATA

1. On «Start» display, select «Diagnosis».

2. On «Vehicle selection» display, input the vehicle information and select «Confirmed».

3. On «Main Menu» display, select «Each System».

4. On «Select System» display, select «Power Steering».

5. On «Select Function» display, select «DTC».

6. On «DTC» display, select «FFD».

Display

Contents to be displayed

Range

Unit

Torque sensor main output

Main torque sensor output voltage is displayed.

0 — 5

V

Torque sensor sub output

Sub torque sensor output voltage is displayed.

0 — 5

V

Torque sensor reference voltage

Torque sensor standard voltage is displayed.

0 — 5

V

Power current

The current flowing to CM is displayed.

−128 — 127

A

Vehicle Speed

Vehicle speed is displayed. (CAN communication data)

0 — 255

km/h

Engine Speed

Engine speed is displayed. (CAN communication data)

0 — 12750

rpm

Detection current at ECM

The current flowing to the motor relay is displayed.

−128 — 127

A

3-phase motor current (U-phase)

The U phase actual current value as calculated by the microcomputer from the torque sensor input is displayed.

−128 — 127

A

3-phase motor current (V-phase)

The V phase actual current value as calculated by the microcomputer from the torque sensor input is displayed.

−128 — 127

A

Motor angular speed

Data from the resolver sensor is displayed.

−4096 — 4064

rpm

CU Temperature

The thermistor temperature of the steering control module is displayed.

−50 — 205

°C

Power supply voltage

Battery voltage is displayed.

0 — 25.5

V

Torque sensor power supply voltage

The power supply voltage output to the torque sensor is displayed.

0 — 10.2

V

IG Voltage

The power supply voltage supplied to the ECM is displayed.

0 — 25.5

V

CAN Bus Status

Either Active/Passive/Bus Off is displayed.

EPS operating condition

Either Normal/Assist Stop/Assist Limitation is displayed.

Target Current at ECM

The motor target current value required for assist is displayed.

−128 — 127

A

Steering angle

Steering angle of steering wheel is displayed.

−640 — 635

deg

Reading assist MAP

Either MAP1/MAP2/MAP3 is displayed.

Overheating protection intervention history

Number of interventions to the overheat protection control (assist limitation for protecting the power steering from overheating)*1

0 — 250

times

IG Count after ECU Overheat Protection(latest)

Number of times the ignition switch is ON from the intervention to overheat protection control (most recent) until now*2

0 — 65000

times

IGN count from overheating protection (previous)

Number of times the ignition switch is ON from the intervention to overheat protection control (previous) until now*2

0 — 65000

times

IGN count from overheating protection (before previous)

Number of times the ignition switch is ON from the intervention to overheat protection control (before previous) until now*2

0 — 65000

times

Assist limit history (low voltage, high voltage)

Number of intervention to assist limit when the power supply voltage is low or high*1

0 — 250

times

IGN-OFF Intervention Count while Running

Number of times the ignition switch is turned OFF while driving*1

0 — 250

times

NOTE:

Freeze frame data stored at the time of trouble occurrence is shown on the display.

Each time a trouble occurs, the latest information is stored in the freeze frame data in memory.

One freeze frame data is stored.

For detailed operation procedures, refer to “Application help”.

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