Subaru Legacy (2005 year). Service manual — part 544
4AT(diag)-13
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Transmission Control Module (TCM) I/O Signal
5. Transmission Control Module (TCM) I/O Signal
A: ELECTRICAL SPECIFICATION
Check with ignition switch ON.
Item
Connector
No.
Terminal
No.
Measuring conditions
Voltage (V)
Resistance to
chassis ground
(
Ω)
Back-up power supply
B55
27
Ignition switch OFF
10 — 13
—
28
29
ACC power supply
B55
16
Ignition switch ACC
10 — 13
—
Ignition power supply
B55
21
Ignition switch ON (with
engine OFF)
10 — 13
—
31
Inhibitor
switch
“P” range
switch
B54
5
Selector lever in “P” range
Less than 1
—
Select lever in any other
than “P” range (except “N”
range)
8 or more
“N” range
switch
B54
22
Selector lever in “N” range
Less than 1
—
Selector lever in any other
than “N” range
8 or more
“R” range
switch
B54
14
Selector lever in “R” range
Less than 1
—
Selector lever in any other
than “R” range
8 or more
“D” range
switch
B54
4
Selector lever in “D” range
Less than 1
—
Selector lever in any other
than “D” range
8 or more
Accelerator pedal position
sensor
B54
19
Throttle fully closed.
0.2 or more
—
Throttle fully open.
4.6 or less
Accelerator pedal position
sensor power supply
B54
10
Ignition switch ON (with
engine OFF)
Approx. 4.6 — 5.4
—
ATF temperature sensor
B54
21
ATF temperature 20
°C
(68
°F)
3.5 — 4.3
2.3 k — 5.3 k
ATF temperature 80
°C
(176
°F)
1.0 — 2.2
300 — 800
Rear vehicle speed sensor
B54
24
Vehicle speed at least 20
km/h (12 MPH)
2 or more (AC range)
—
AT-01476
B54
B55
1
2
7
8
9
5
6
3
4
10
11
12
19
20
21
13
14
15
16
17
18
22
23
24
1
2
7
8
9
5
6
3
4
10
11
12
19
20
21
29
30
31
13
14
15
16
17
27
28
18
22
23
24
25
26
To
To
4AT(diag)-14
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Transmission Control Module (TCM) I/O Signal
Front vehicle speed sensor
B54
6
Vehicle stopped
0
450 — 750
Vehicle speed at least 20
km/h (12 MPH)
1 or more (AC range)
Torque converter turbine
speed sensor
B54
7
Engine idling after warm-
up (“D” range)
0
450 — 750
Engine idling after warm-
up (“N” range)
1 or more (AC range)
Engine speed signal
B54
13
Ignition switch ON (with
engine OFF)
Less than 1
—
Ignition switch ON (engine
ON)
5 or more (AC range)
Line pressure linear sole-
noid
B55
20
Ignition switch ON (with
engine OFF)
Throttle fully closed in “R”
range after warm-up.
3.7 — 7.5
4.0 — 8.0
Ignition switch ON (with
engine OFF)
“R” range throttle fully
open after warm-up.
1.4 — 4.9
Lock-up duty solenoid
B55
5
When lock up occurs.
10.5 or more
2.0 — 6.0
When lock up is released.
Less than 1
Transfer duty solenoid
B55
4
“P” or “N” range
Less than 1
2.0 — 6.0
1st gear
1.7 — 4.0
2-4 brake duty solenoid
B55
6
“P” or “N” range
10.5 or more
2.0 — 6.0
2nd or 4th gear
Less than 1
High clutch duty solenoid
B55
8
3rd or 4th gear
Less than 1
2.0 — 6.0
“P” or “N” range
10.5 or more
Low clutch duty solenoid
B55
9
1st or 2nd gear
Less than 1
2.0 — 6.0
“P” or “N” range
10.5 or more
Low & reverse duty solenoid
B55
7
“P” or “N” range
10.5 or more
2.0 — 6.0
Driving at 1st on manual
mode (15 km/h (9.3 MPH)
or more)
5 — 10
Front vehicle speed sensor
ground
B54
15
—
0
Less than 1
Rear vehicle speed sensor
ground
B54
23
—
0
Less than 1
Torque converter turbine
speed sensor ground
B54
16
—
0
Less than 1
System ground circuit
B54
17
—
0
Less than 1
B55
2
B55
3
B54
8
Sensor ground line 3
B55
19
—
0
Less than 1
Sensor ground line 4
B54
9
—
0
Less than 1
Range lock signal
B55
18
“D” range vehicle speed
0 km/h (0 MPH)
10.5 or more
7 — 18
“D” range vehicle speed
20 km/h (12 MPH)
Less than 1
Data link signal (Subaru
Select Monitor)
B55
12
—
—
—
Check with ignition switch ON.
Item
Connector
No.
Terminal
No.
Measuring conditions
Voltage (V)
Resistance to
chassis ground
(
Ω)
4AT(diag)-15
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Transmission Control Module (TCM) I/O Signal
CAN communication signal
(+)
B54
3
Ignition switch ON
Pulse signal
—
CAN communication signal
(
−)
B54
12
Ignition switch ON
Pulse signal
—
FWD switch
B55
17
Fuse removed
10.5 or more
—
Fuse installed
1 or less
Lateral G sensor
B54
11
Ignition switch ON (Lateral
G sensor in horizontal
position)
2.0 — 3.0
—
Lateral G sensor power sup-
ply
B54
2
Ignition switch ON
4.75 — 5.25
—
Check with ignition switch ON.
Item
Connector
No.
Terminal
No.
Measuring conditions
Voltage (V)
Resistance to
chassis ground
(
Ω)
4AT(diag)-16
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Subaru Select Monitor
6. Subaru Select Monitor
A: OPERATION
1. READ DIAGNOSTIC TROUBLE CODE
(DTC)
1) Prepare the Subaru Select Monitor kit.
2) Connect the diagnosis cable to Subaru Select
Monitor.
3) Insert the cartridge to Subaru Select Monitor.
<Ref. to 4AT(diag)-6, PREPARATION TOOL, Gen-
eral Description.>
4) Connect the Subaru Select Monitor to data link
connector.
(1) Data link connector is located in the lower
portion of instrument panel (on the driver’s side).
(2) Connect the diagnosis cable to data link
connector.
NOTE:
Do not connect scan tools except Subaru Select
Monitor.
5) Turn the ignition switch to ON (engine OFF), and
turn the Subaru Select Monitor power switch to ON.
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 {Transmission} and press the
[YES] key.
8) Press the [YES] key after the information of
transmission type is displayed.
9) On the «Transmission Diagnosis» display
screen, select the {Diagnosis Code(s) Display} and
press [YES] key.
NOTE:
• For details concerning operation procedure, re-
fer to the SUBARU SELECT MONITOR OPERA-
TION MANUAL.
• For details concerning DTC, refer to “List of Diag-
nostic Trouble Code (DTC)”. <Ref. to 4AT(diag)-
31, List of Diagnostic Trouble Code (DTC).>
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 {Transmission} and press the
[YES] key.
3) Press the [YES] key after the information of
transmission type is displayed.
4) On the «Transmission Diagnosis» display
screen, select the {Current Data Display & Save}
and press the [YES] key.
5) On the «Transmission Diagnosis» display
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.
(1) Data link connector
AT-00338
AT-00339
AT-01712
(1)
(A) Power switch
(A)
AT-00341
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст