VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Subaru Select Monitor

OPERATION

1. READ DTC

1. Prepare the Subaru Select Monitor kit.

2. Connect the diagnosis cable to the Subaru Select Monitor.

3. Insert the cartridge to the Subaru Select Monitor.

4. Connect the Subaru Select Monitor to the data link connector.

(1) Data link connector is located in the lower portion of the instrument panel (on the driver’s side).

(1)

Data link connector

(2) Connect the diagnosis cable to the data link connector.

5. Turn the ignition switch to ON (engine is OFF), and the Subaru Select Monitor switch to ON.

(1)

Power switch

6. On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.

7. On the «System Selection Menu» display screen, select the {Brake Control} and press the [YES] key.

8. Press the [YES] key after the VDC type is displayed.

9. On the «Brake Control Diagnosis» screen, select the {Diagnostic Code(s) Display}, and then press the [YES] key.

NOTE:

For details concerning operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.

For details concerning DTC, refer to “List of Diagnostic Trouble Code (DTC)”.

10. A maximum of three DTCs are displayed in the order of occurrence.

*a*:

DTC (2 digits)

*b*:

Trouble contents

*c*:

Shows the order of failure occurrence.

(Current, previous, second previous, third previous)

*d*:

Detail DTC (4 digits)

*e*:

IG/ON count after failure occurred (Maximum of 254)

Display

Contents of Display

Old

The latest DTC of the failures in the past is displayed on the Subaru Select Monitor display.

Second previous

The second latest DTC of the failures in the past is displayed on the Subaru Select Monitor display.

Third previous

The third latest DTC of the failures in the past is displayed on the Subaru Select Monitor display.

* If the failure is occurring, “Current” is displayed on the screen.

2. READ CURRENT DATA

1. On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.

2. On the «System Selection Menu» display screen, select the {Brake Control} and press the [YES] key.

3. Press the [YES] key after the VDC type is displayed.

4. On the «Brake Control Diagnosis» display screen, select the {Current Data Display/Save}, and then press the [YES] key.

5. On the «Data Display Menu» screen, select the {Data Display} and press the [YES] key.

6. Using the scroll key, scroll the display screen up or down until the desired data is shown on the screen.

A list of the support data is shown in the following table.

Display

Contents to be monitored

Unit of measure

FR Wheel Speed

Wheel speed detected by front ABS wheel speed sensor RH is displayed.

km/h

FL Wheel Speed

Wheel speed detected by front ABS wheel speed sensor LH is displayed.

km/h

RR Wheel Speed

Wheel speed detected by rear ABS wheel speed sensor RH is displayed.

km/h

RL Wheel Speed

Wheel speed detected by rear ABS wheel speed sensor LH is displayed.

km/h

Steering Angle Sensor

Steering wheel angle detected by steering angle sensor is displayed.

deg

Yaw Rate Sensor

Vehicle angular speed detected by yaw rate sensor is displayed.

deg (deg/s)

Pressure Sensor (P)

Brake fluid pressure detected by the primary pressure sensor is displayed.

bar

Pressure Sensor (S)

Brake fluid pressure detected by the secondary pressure sensor is displayed.

bar

Lateral G Sensor

Vehicle lateral direction acceleration detected by lateral G sensor is displayed.

m/s (m/s2)

IG Power Supply Voltage

Voltage supplied to the VDCCM is displayed.

V

Valve Relay Signal

The valve relay operating condition is displayed.

ON or OFF

Motor Relay Signal

The motor relay operating condition is displayed.

ON or OFF

Motor Relay Monitor

The motor relay operating condition is displayed.

ON or OFF

VDC Operation Light

VDC operation condition is displayed.

ON or OFF

VDC Warning Light

ON/OFF condition of the VDC warning light/VDC OFF indicator light is displayed. (ON is displayed when there is a VDC failure.)

ON or OFF

ABS Warning Light

ON/OFF condition of the ABS warning light is displayed.

ON or OFF

VDC OFF Light

ON/OFF condition of the VDC warning light/VDC OFF indicator light is displayed. (ON/OFF is displayed by operating the VDC OFF switch and EAM signal.)

ON or OFF

EBD Warning Light

ON/OFF condition of the EBD warning light is displayed.

ON or OFF

EAM Signal

Engine control command signal is displayed.

1 or 0

PATA Signal

ON/OFF condition of the VDC OFF switch is displayed.

ON or OFF

Gear Position

Gear position is displayed by number.

0: N or P, 1: 1st, 2: 2nd, 3: 3rd, 4: 4th, 7: R

Engine Speed

Engine speed is displayed.

rpm

PW Signal

Acceleration opening is displayed.

%

Car Line

Vehicle type is displayed by number. Normally “1”

NOTE:

For details concerning operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.

3. CLEAR MEMORY MODE

1. On the «Main Menu» display screen, select the {2. Each System Check} and press the [YES] key.

2. On the «System Selection Menu» display screen, select the {Brake Control} and press the [YES] key.

3. Press the [YES] key after the VDC type is displayed.

4. On the «Brake Control Diagnosis» display screen, select the {Clear Memory} and press the [YES] key.

5. When the “Done” is shown on the display screen, turn the Subaru Select Monitor and ignition switch to OFF.

NOTE:

For details concerning operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.

4. FUNCTION CHECK

Display

Contents of Display

Index No.

ABS check mode

Operate the valve and pump motor by turns to perform the ABS sequence control.

VDC check mode

Operate the valve and pump motor by turns to perform the VDC sequence control.

Steering angle sensor neutral & lateral G sensor 0 pt mode

Set the steering angle sensor neutral position and the lateral G sensor “0” points.

5. FREEZE FRAME DATA

NOTE:

Data stored at the time of failure occurred is shown on display.

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

1 freeze frame data is stored.

If a freeze frame data is not properly stored in memory (due to a drop in VDCCM power supply, etc.), a DTC suffixed with a question mark “?” appears on the Subaru Select Monitor display. This shows it may be an unreliable reading.

*a*:

DTC (2 digits)

*b*:

Trouble contents

*c*:

Detail DTC (4 digits)

FREEZE FRAME DATA LIST

Display

Contents to be monitored

FR Wheel Speed

Wheel speed detected by the front ABS wheel speed sensor RH is displayed in km/h.

FL Wheel Speed

Wheel speed detected by the front ABS wheel speed sensor LH is displayed in km/h.

RR Wheel Speed

Wheel speed detected by the rear ABS wheel speed sensor RH is displayed in km/h.

RL Wheel Speed

Wheel speed detected by the rear ABS wheel speed sensor LH is displayed in km/h.

Steering Angle Sensor

Steering wheel angle detected by steering angle sensor is displayed.

Yaw Rate Sensor

Vehicle angular speed detected by the yaw rate sensor is converted and displayed in volts.

Lateral G Sensor

Vehicle lateral direction acceleration detected by lateral G sensor is converted and displayed in volts.

Primary Pressure Sensor

Brake fluid pressure detected by the primary pressure sensor is converted and displayed in volts.

Secondary Pressure Sensor

Brake fluid pressure detected by the secondary pressure sensor is converted and displayed in volts.

Vehicle Speed

The vehicle speed is displayed.

Required Torque

Engine torque required by the driver is displayed.

Current Torque

Current engine torque is displayed.

Target Torque

The target torque is displayed.

Acceleration Opening Angle

Acceleration opening is displayed.

Engine Speed

Engine speed is displayed.

Gear Position

Gear position is displayed.

IG Power Supply Voltage

Voltage supplied to VDC control module is displayed.

ABS Warning Light

ON/OFF condition of the ABS warning light is displayed.

EBD Warning Light

ON/OFF condition of the EBD warning light is displayed.

VDC Warning Light

ON/OFF condition of the VDC warning light/VDC OFF indicator light is displayed. (ON is displayed when there is a VDC failure.)

VDC OFF Light

ON/OFF condition of the VDC warning light/VDC OFF indicator light is displayed. (ON/OFF is displayed by operating the VDC OFF switch and EAM signal.)

VDC Operation Light

ON/OFF condition of VDC OFF indicator light is displayed.

Valve Relay Signal

The valve relay operating condition is displayed.

Motor Relay Driving Vibration

The motor relay operating condition is displayed.

Motor Relay Monitor

The motor relay operating condition is displayed.

Decreasing Required Torque

Engine torque decrease request is displayed.

EAM Signal

Engine control command signal is displayed.

VDC O Control Flag

VDC operation condition (over-steering) is displayed.

VDC U Control Flag

VDC operation condition (under-steering) is displayed.

ABS Control Flag

ABS operating condition is displayed.

VDC OK B Signal

VDC sensor normal flag