Subaru Crosstrek Service Manual: Operation

Subaru Crosstrek Service Manual / Power assisted system (power steering) (diagnostics) / Subaru select monitor / 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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