Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 450
6MT(diag)-11
Read Current Data
MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS)
7. Read Current Data
A: OPERATION
1) Using the Subaru Select Monitor, on the «Main Menu» display, select {Each System Check}.
2) On «System Selection Menu» display, select {Transmission Control System}.
3) After the {Center Differential Control} is displayed, select [OK].
4) On «Transmission Diagnosis» display, select {Current Data Display & Save}.
5) Select {Normal sampling} on the «Current Data Display & Save» screen.
6) Using the scroll key, scroll the display screen up or down until the desired data is shown.
• A list of the support data is shown in the following table.
*1: Displayed by the number
0 in the manual mode
1 in AUTO[–] / 2 in AUTO / 3 in AUTO[+]
*2: Displayed by the number
0 in AUTO mode
1 (Free), 2, 3, 4, 5, 6 (LOCK) in manual mode
NOTE:
For detailed operation procedures, refer to “PC application help for Subaru Select Monitor”.
Item
Display
Unit of measure
Center differential actual current
C-Diff. Real Current
A
Center differential indicated current
C-Diff. Indicate Current
A
Front vehicle speed sensor (RH)
FR Wheel Speed
km/h or MPH
Front vehicle speed sensor (LH)
FL Wheel Speed
km/h or MPH
Rear vehicle speed sensor (RH)
RR Wheel Speed
km/h or MPH
Rear vehicle speed sensor (LH)
RL Wheel Speed
km/h or MPH
Yaw rate & G sensor
Lateral G
m/s
2
Yaw rate & G sensor
Yaw Rate
deg/s
Steering angle
Steering Angle Sensor
deg
Engine speed signal
Engine Speed
rpm
Stop light switch signal
Stop Light Switch
ON or OFF
Rear differential oil temperature switch signal
RR Diff. Oil Temp SW
ON or OFF
Down shift signal
Down Switch
ON or OFF
Up shift signal
Up Switch
ON or OFF
AUTO selection mode
DCCD Mode
*1
Manual mode torque distribution
DCCD Torque Distribution
*2
Battery voltage
Battery Voltage
V
Accelerator position
Accel. Opening Angle
%
Parking switch
Parking Position Switch
ON or OFF
Center differential relay
Center Diff. Relay
ON or OFF
Mode change switch
AUTO/MANUAL Mode Switch
ON or OFF
Neutral signal
Neutral Position Switch
Neutral or other than neutral
6MT(diag)-12
Read Diagnostic Trouble Code (DTC)
MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS)
8. Read Diagnostic Trouble
Code (DTC)
A: OPERATION
1) Using the Subaru Select Monitor, on the «Main
Menu» display, select {Each System Check}.
2) On «System Selection Menu» display, select
{Transmission Control System}.
3) After the {Center Differential Control} is dis-
played, select [OK].
4) On «Transmission Diagnosis» display, select
{Diagnostic Code(s) Display}.
5) On the «Diagnostic Code(s) Display» screen,
select the {Temporary Diagnostic Code(s)} or
{Memorized Diagnostic Code(s)}
NOTE:
• For detailed operation procedures, refer to “PC
application help for Subaru Select Monitor”.
• For details concerning DTCs, refer to “List of Di-
6MT(diag)-13
Clear Memory Mode
MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS)
9. Clear Memory Mode
A: OPERATION
1) Place the shift lever in neutral.
2) Using the Subaru Select Monitor, on the «Main
Menu» display, select {Each System Check}.
3) On «System Selection Menu» display, select
{Transmission Control System}.
4) After the {Center Differential Control} is dis-
played, select [OK].
5) On «Transmission Diagnosis» display, select
{Clear Memory}.
6) When “Done. Turn off the ignition switch.” is dis-
played, select [OK].
7) Turn the Subaru Select Monitor and ignition
switch to OFF. To turn the ignition switch to ON
again, wait for 10 seconds or more.
NOTE:
• To clear the previous DTC, use {Clear Memory}.
• For detailed operation procedures, refer to “PC
application help for Subaru Select Monitor”.
6MT(diag)-14
Driver’s Control Center Differential (DCCD) Manual Mode Display
MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS)
10.Driver’s Control Center Differential (DCCD) Manual Mode Display
A: OPERATION
When there is a problem with a part or module, DCCD manual mode display blinks. (DCCD manual mode
display blinks even in AUTO mode condition.) The blinking starts from when the problem is detected, and
continues until the ignition switch is turned OFF. The faulty parts can be recognized by reading DTC with the
Subaru Select Monitor.
DCCD manual mode display is as shown in the figure.
(A)
If faulty (blinks at 1 Hz cycle)
(E)
5
(H)
2
(B)
If normal
(F)
4
(I)
1 (FREE)
(C)
Manual mode display
(G)
3
(J)
No display (AUTO mode)
(D)
6 (LOCK)
MT
-01775
(E)
(D)
(A)
(B)
(C)
L O C K
(F)
(G)
(H)
(I)
(J)
L O C K
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