lock SUBARU TRIBECA 2009 1.G Service Workshop Manual
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Page 2129 of 2453
5AT(diag)-12
Transmission Control Module (TCM) I/O Signal
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
I/C solenoid output B54 18
While driving at 1st —
3rd of manual mode
Approx. 5.5 —
7.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhile driving at 4th or
5th of manual modeApprox. 0 V
H & LR/C solenoid
outputB54 17
While driving at 2nd of
manual mode
Approx. 5.5 —
7.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhile driving at 3rd —
5th of manual modeApprox. 0 V
Control valve power
supply outputB54 16Ignition switch ONPow er s up p ly
voltage—
Ignition switch OFF Approx. 0 V
LC/B solenoid output B54 15
While driving at 1st —
2nd of manual mode
Pow er s up p ly
voltage5 — 17 Ω (ATF
temperature
25°C (77°F))
While driving at 3rd —
5th of manual modeApprox. 0 V
Pow er GN D B 5 4 1 4 A lways A pp r ox . 0 V —
Analog GND (sensor
GND)B54 13 Always Approx. 0 V —
LC/B oil pressure
switch inputB54 12 — — —
The condition
of LC/B oil
pressure switch
cannot be read
by the tester.
AT F t e m p e r a t u r e s e n -
sor 2 inputB54 11 Ignition switch ON
2.3 — 2.7 V
(ATF tempera-
ture 20°C
(68°F))
0.6 — 0.8 V
(ATF tempera-
ture 80°C
(176°F))
3.0 — 3.6 kΩ
(ATF tempera-
ture 20°C
(68°F))
0.4 — 0.6 kΩ
(ATF tempera-
ture 80°C
(176°F))
PVIGN power supply
relay outputB54 10 Ignition switch ON 0 — 1.5 V —
Fr / B so le n oi d o u tp u t B 5 4 2 4
While driving at other
than 4th of manual
mode
Approx. 4.5 —
6.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhile driving at 4th of
manual modeApprox. 0 V
L/U solenoid output B54 23When lock-upApprox. 3.5 —
5.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhen not lock-up Approx. 0 V
D/C solenoid output B54 22
While driving at 1st or
5th of manual mode
Approx. 5.5 —
7.5 V3 — 9 Ω (ATF
temperature
20°C (68°F))
Driving fre-
quency 750 —
850 HzWhile driving at 2nd —
4th of manual modeApprox. 0 V
D/C oil pressure
switch inputB54 21 — — —
The condition
of D/C oil pres-
sure switch
cannot be read
by the tester.
Subaru Select Moni-
tor communication
line
B54 20 — — —
Control GND B54 19 Always Approx. 0 V —
ItemConnector
No.
Te r m i n a l
No.Measuring condition Measured value
Resistance
between termi-
nal and chassis
ground
Remarks
Page 2130 of 2453
5AT(diag)-13
Transmission Control Module (TCM) I/O Signal
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
H&LR/C oil pressure
switch inputB55 8
While driving at 2nd of
manual mode
Pow er s up p ly
voltage—
While driving at 3rd —
5th of manual modeApprox. 0 V
Fr o nt veh ic l e sp e ed
sensor inputB55 7
While driving at 2nd and
20 km/h (12 MPH) of
manual mode
Approx. 530 —
610 rpm
—
Use the Subaru
Select Monitor.
While driving at 4th and
80 km/h (50 MPH) of
manual mode
Approx. 2160 —
2410 rpm
Use the Subaru
Select Monitor.
Inhibitor switch 1 input B55 4
Ignition switch ON, “P”
range4.0 — 5.0 V
—
Ignition switch ON, “N”
rangeLess than 1.5 V
Inhibitor switch 2 input B55 3
Ignition switch ON, “P”
range4.0 — 5.0 V
—
Ignition switch ON, “D”
rangeLess than 1.5 V
Accessory power sup-
plyB55 2Accessory switch ONPow er s up p ly
voltage—
Accessory switch OFF Approx. 0 V
Ignition power supply B55 1Ignition switch ONPow er s up p ly
voltage—
Ignition switch OFF Approx. 0 V
Rear vehicle speed
sensor inputB55 18
While driving at 2nd and
20 km/h (12 MPH) of
manual mode
Approx. 530 —
610 rpm
—
Use the Subaru
Select Monitor.
While driving at 4th and
80 km/h (50 MPH) of
manual mode
Approx. 2160 —
2410 rpm
Use the Subaru
Select Monitor.
Fr / B oi l p r e ssu r e
switch inputB55 17
Ignition switch ON,
engine ON, while driv-
ing at other than 4th
Approx. 0 V
—
Ignition switch ON,
engine ON, while driv-
ing at 4th
Pow er s up p ly
voltage
Tu r b i n e s p e e d s e n s o r
1 inputB55 16
2nd of manual mode,
turbine speed sensor is
2,000 rpm (Read from
Subaru Select Monitor)
Approx. 0 rpm
—
Use the Subaru
Select Monitor.
4th of manual mode, tur-
bine speed sensor is
2,000 rpm (Read from
Subaru Select Monitor)
Approx. 1,900
— 2,100 rpm
Use the Subaru
Select Monitor.
Range lock solenoid
outputB55 15
Ignition switch ON, while
stopping at “D” range
Approx. Power
Supply Voltage
–1.2 V7 — 21 Ω
Ignition switch ON, vehi-
cle speed at least 20 km/
h (12 MPH)
Approx. 0 V
Inhibitor switch 3 input B55 14
Ignition switch ON, “R”
range4.0 — 5.0 V
—
Ignition switch ON, “D”
rangeLess than 1.5 V
ItemConnector
No.
Te r m i n a l
No.Measuring condition Measured value
Resistance
between termi-
nal and chassis
ground
Remarks
Page 2133 of 2453
5AT(diag)-16
Subaru Select Monitor
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
•A list of the support data is shown in the following table.
NOTE:
For details concerning operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MAN-
UAL”.
Item Display Unit of measure
Engine speed signal Engine speed rpm
Battery voltage Battery Voltage V
Accelerator pedal position sensor Acceleration opening angle %
Fr o nt veh ic l e sp e ed se n so r s ig n al Fr o n t W h ee l S p e ed km/ h
Gear position Gear Position —
Tu r b i n e s p e e d s e n s o r s i g n a l Tu r b i n e R e v o l u t i o n S p e e d r p m
Rear vehicle speed sensor signal Rear Wheel Speed km/h
ATF temperature sensor 1 signal ATF Temp. °C
ATF temperature sensor 2 signal ATF Temp. 2 °C
Tu r b i n e s p e e d s e n s o r 1 s i g n a l Tu r b i n e R e v o l u t i o n S p e e d 1 r p m
Tu r b i n e s p e e d s e n s o r 2 s i g n a l Tu r b i n e R e v o l u t i o n S p e e d 2 r p m
High & low reverse clutch solenoid indicator current H&LR/C Solenoid Current A
Direct clutch solenoid indicator current D/C Solenoid Current A
Fr o nt b rake so l en oi d in di c at o r c u rr e n t F / B S o l en o id Cur r e nt A
Input clutch solenoid indicator current I/C Solenoid Current A
Line pressure solenoid indicator current P/L Solenoid Current A
Lock-up solenoid indicator current L/U Solenoid Current A
Tr a n s f e r s o l e n o i d i n d i c a t o r c u r r e n t A W D S o l e n o i d C u r r e n t A
High & low reverse clutch solenoid target oil pressure H&LR/C Solenoid Target Pressure kPa
Direct clutch solenoid target oil pressure D/C Solenoid Target Pressure kPa
Fr o nt b rake so l en oi d ta r g et o il pr e ss ur e F / B S o l en o id Ta r g et P r es su r e kPa
Input clutch solenoid target oil pressure I/C Solenoid Target Pressure kPa
Line pressure solenoid target oil pressure P/L Solenoid Target Pressure kPa
Lock-up solenoid target oil pressure L/U Solenoid Target Pressure kPa
Tr a n s f e r s o l e n o i d t a r g e t o i l p r e s s u r e A W D S o l e n o i d Ta r g e t P r e s s u r e k P a
Ignition switch Ignition SW ON Input or OFF Input
Tip signal Tip Mode SW ON or OFF
Cruise control ON signal Cruise Control Signal ON or OFF
Tip down shift signal Down SW ON or OFF
Stop light switch signal Stop Light SW ON or OFF
Tip up shift signal Up SW ON or OFF
Drive range signal D Range ON or OFF
Reverse range signal R Range ON or OFF
Diagnosis light output signal Diagnosis Lamp ON or OFF
AT F t e m p e r a t u r e l a m p s i g n a l AT F Te m p e r a t u r e L a m p O N o r O F F
Shift lock solenoid signal Shift Lock Solenoid ON or OFF
Par king range signal P range ON or OFF
P/N range output signal P/N Signal ON or OFF
Neutral range signal N range ON or OFF
Inhibitor switch 1 input signal Inhibitor SW1 High or Low
Inhibitor switch 2 input signal Inhibitor SW2 High or Low
Inhibitor switch 3 input signal Inhibitor SW3 High or Low
Inhibitor switch 4 input signal Inhibitor SW4 High or Low
Inhibitor switch 3 monitor input signal Inhibitor SW3 Monitor High or Low
Backup light relay output signal Back-up light relay ON or OFF
High & low reverse clutch oil pressure switch input signal H&LR/C Oil Pressure SW ON or OFF
Direct clutch oil pressure switch input signal D/C Oil Pressure SW ON or OFF
Fr o nt b rake oi l pr e ss ur e swi tc h i n pu t si gn a l Fr / B Oi l P r e ss ur e S W ON or OF F
Input clutch oil pressure switch input signal I/C Oil Pressure SW ON or OFF
Low coast brake oil pressure switch input signal LC/B Oil Pressure SW ON or OFF
Low coast brake solenoid input signal LC B Solenoid ON or OFF
Page 2145 of 2453
5AT(diag)-28
List of Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
13.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item Content of diagnosis Reference target
P0705
Tr a n s m i s s i o n R a n g e
Sensor Circuit (PRNDL
Input)
Inhibitor switch malfunction, open
or short circuit
INPUT), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0712
Tr a n s m i s s i o n F l u i d Te m -
perature Sensor Circuit
Low Input
AT F t e m p e r a t u r e s e n s o r 1 m a l -
function, or open input signal cir-
cuit
CUIT LOW INPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0713
Tr a n s m i s s i o n F l u i d Te m -
perature Sensor Circuit
High Input
AT F t e m p e r a t u r e s e n s o r 1 m a l -
function, short input signal circuit
CUIT HIGH INPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0715Input/Turbine Speed
Sensor Circuit
Tu r b i n e s p e e d s e n s o r 1 m a l f u n c -
tion, short input signal circuit
Procedure with Diagnostic Trouble Code
(DTC).>
P0719To r q u e C o n v e r t e r / B r a k e
Switch “B” Circuit Low
Brake switch malfunction, open
input signal circuit, body inte-
grated unit malfunction, CAN
communication malfunction
LOW, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0720Output Speed Sensor
Circuit
Front wheel speed sensor is
faulty or input signal circuit,
ground, power supply is open or
shorted.
dure with Diagnostic Trouble Code (DTC).>
P0724To r q u e C o n v e r t e r / B r a k e
Switch “B” Circuit High
Brake switch malfunction, short
circuit of input signal, body inte-
grated unit, CAN communication
malfunction
HIGH, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0725Engine Speed Input Cir-
cuit
Open or short engine speed out-
put signal circuit, ECM malfunc-
tion, CAN communication
malfunction
with Diagnostic Trouble Code (DTC).>
P0731 Gear 1 Incorrect Ratio
Ve h i c l e s e n s o r, t u r b i n e s p e e d
sensor, control valve malfunction
or shift clutch malfunction
Diagnostic Trouble Code (DTC).>
P0732 Gear 2 Incorrect Ratio
Ve h i c l e s e n s o r, t u r b i n e s p e e d
sensor, control valve malfunction
or shift clutch malfunction
Diagnostic Trouble Code (DTC).>
P0733 Gear 3 Incorrect RatioVe h i c l e s e n s o r, t u r b i n e s p e e d
sensor or shift clutch malfunction
Diagnostic Trouble Code (DTC).>
P0734 Gear 4 Incorrect RatioVe h i c l e s e n s o r, t u r b i n e s p e e d
sensor or shift clutch malfunction
Diagnostic Trouble Code (DTC).>
P0735 Gear 5 Incorrect RatioVe h i c l e s e n s o r, t u r b i n e s p e e d
sensor or shift clutch malfunction
Diagnostic Trouble Code (DTC).>
P0736 Reverse Incorrect RatioVe h i c l e s e n s o r, t u r b i n e s p e e d
sensor or shift clutch malfunction
Diagnostic Trouble Code (DTC).>
P0741
To r q u e C o n v e r t e r C l u t c h
Circuit Performance or
Stuck Off
Lock-up clutch is faulty or valve is
stuck.
MANCE OR STUCK OFF, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
Page 2146 of 2453
5AT(diag)-29
List of Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
P0743To r q u e C o n v e r t e r C l u t c h
Circuit Electrical
L/U solenoid circuit malfunction
or L/U solenoid body malfunction
CAL, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
P0748Pressure Control Sole-
noid “A” Electrical
Line pressure solenoid circuit
malfunction or line pressure sole-
noid body malfunction
nostic Procedure with Diagnostic Trouble Code
(DTC).>
P0751Shift Solenoid “A” Perfor-
mance or Stuck Off
Fr/B Solenoid Function Malfunc-
tion
OFF, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
P0753Shift Solenoid “A” Elec-
trical
Fr/B solenoid circuit malfunction
or Fr/B solenoid body malfunction
cedure with Diagnostic Trouble Code (DTC).>
P0756Shift Solenoid “B” Perfor-
mance or Stuck Off
Shift Solenoid “B” Performance
malfunction
OFF, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
P0758Shift Solenoid “B” Elec-
trical
I/C solenoid circuit malfunction or
I/C solenoid body malfunction
cedure with Diagnostic Trouble Code (DTC).>
P0761Shift Solenoid “C” Perfor-
mance or Stuck OffH&LR/C solenoid malfunction
OFF, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
P0763Shift Solenoid “C” Elec-
trical
H&LR/C solenoid circuit malfunc-
tion or H&LR/C solenoid body
malfunction
cedure with Diagnostic Trouble Code (DTC).>
P0766Shift Solenoid “D” Perfor-
mance or Stuck OffD/C solenoid malfunction
OFF, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
P0768Shift Solenoid “D” Elec-
trical
D/C solenoid circuit malfunction
or D/C solenoid body malfunction
Diagnostic Trouble Code (DTC).>
P0771Shift Solenoid “E” Perfor-
mance or Stuck OffLC/B solenoid malfunction
OFF, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
P0773Shift Solenoid “E” Elec-
trical
•LC/B solenoid circuit malfunc-
tion or LC/B solenoid body mal-
function
•OFF malfunction of PVIGN
relay circuit or relay body
cedure with Diagnostic Trouble Code (DTC).>
P0801Reverse Inhibit Control
Circuit
•Shift lock solenoid is faulty or
output signal circuit is open or
shorted.
•Blown out of TCM+B fuse
dure with Diagnostic Trouble Code (DTC).>
P0817 Starter Disable Circuit
•PN signal output circuit is open
or shorted.
•ECM Source Voltage Is Abnor-
mal
•Blown out of TCM+B fuse
Diagnostic Trouble Code (DTC).>
P0882TCM Power Input Signal
Low
PVIGN relay output circuit is
open, shorted or relay malfunc-
tion
cedure with Diagnostic Trouble Code (DTC).>
DTC Item Content of diagnosis Reference target
Page 2147 of 2453
5AT(diag)-30
List of Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
P0957Backup Light Relay Cir-
cuit Low
Back-up relay output circuit is
open, shorted or relay OFF mal-
function
dure with Diagnostic Trouble Code (DTC).>
P0958Backup Light Relay Out-
put Circuit High
Back-up relay output circuit is
open, shorted or relay ON mal-
function
cedure with Diagnostic Trouble Code (DTC).>
P1601TCM Data Communica-
tion Failure
Communication Failure between
TCM and Memory Box
dure with Diagnostic Trouble Code (DTC).>
P1706
AT Ve h i c l e S p e e d S e n -
sor Circuit Malfunction
(Rear Wheel)
Rear wheel speed sensor is faulty
or input circuit, ground, power
supply is open or shorted.
TION (REAR WHEEL), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
P1707AT A W D S o l e n o i d V a l v e
Circuit Malfunction
AWD solenoid circuit malfunction
or AWD solenoid body malfunc-
tion
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P1710
To r q u e C o n v e r t e r Tu r -
bine 2 Speed Signal Cir-
cuit 2 Malfunction
To r q u e c o n v e r t e r s e n s o r 2 m a l -
function, input circuit, ground,
power open, short circuit
CIRCUIT 2 MALFUNCTION, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P1716AT F Te m p . S e n s o r 2 C i r -
cuit Low
AT F t e m p e r a t u r e s e n s o r 2 m a l -
function, or open input signal cir-
cuit
dure with Diagnostic Trouble Code (DTC).>
P1717AT F Te m p . S e n s o r 2 C i r -
cuit High
AT F t e m p e r a t u r e s e n s o r 2 m a l -
function, short input signal circuit
dure with Diagnostic Trouble Code (DTC).>
P1718AT C A N C o m m u n i c a t i o n
Circuit
CAN communication line bus off
is open, EUM short circuit, ABS/
VDCCM, integrated CU malfunc-
tion
dure with Diagnostic Trouble Code (DTC).>
P1798 Gear 1 Engine Brake
Malfunction of clutch oil pressure
related to 1st engine brake, sole-
noid current malfunction
Diagnostic Trouble Code (DTC).>
P1799 Interlock
Malfunction of clutch oil pressure
which emit interlock, solenoid
current malfunction
Tr o u b l e C o d e ( D T C ) . >
P1817SPORT Mode Switch
Circuit (Manual Switch)
Manual mode switch is open or
shorted, or switch malfunction
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P1840
Tr a n s m i s s i o n F l u i d P r e s -
sure Sensor/Switch A
Circuit
Fr/B oil pressure switch is open or
shorted, or switch malfunction
CIRCUIT, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P1842
Tr a n s m i s s i o n F l u i d P r e s -
sure Sensor/Switch C
Circuit
I/C oil pressure switch is open or
shorted, or switch malfunction.
CIRCUIT, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P1843
Tr a n s m i s s i o n F l u i d P r e s -
sure Sensor/Switch D
Circuit
D/C oil pressure switch is open or
shorted, or switch malfunction.
CIRCUIT, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P1844
Tr a n s m i s s i o n F l u i d P r e s -
sure Sensor/Switch E
Circuit
H&LR/C oil pressure switch is
open or shorted, or switch mal-
function.
CIRCUIT, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
DTC Item Content of diagnosis Reference target
Page 2169 of 2453
5AT(diag)-52
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
H: DTC P0725 ENGINE SPEED INPUT CIRCUIT
DTC DETECTING CONDITION:
Information of engine speed is not correctly received from ECM.
TROUBLE SYMPTOM:
No lock-up occurs. (After engine is warmed-up)
I: DTC P0731 GEAR 1 INCORRECT RATIO
NOTE:
Refer to DTC P0736 for diagnostic procedure.
J: DTC P0732 GEAR 2 INCORRECT RATIO
NOTE:
Refer to DTC P0736 for diagnostic procedure.
K: DTC P0733 GEAR 3 INCORRECT RATIO
NOTE:
Refer to DTC P0736 for diagnostic procedure.
L: DTC P0734 GEAR 4 INCORRECT RATIO
NOTE:
Refer to DTC P0736 for diagnostic procedure.
M: DTC P0735 GEAR 5 INCORRECT RATIO
NOTE:
Refer to DTC P0736 for diagnostic procedure.
Step Check Yes No
1CHECK DTC OF ECM.Is DTC of AT CAN communica-
tion circuit detected?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 2.
2CHECK DTC OF TCM.Is DTC of AT CAN communica-
tion circuit detected?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 3.
3CHECK DTC OF TCM.Is any of following DTC
detected?/Output Speed Sen-
sor Circuit/AT Vehicle Speed
Sensor Circuit Malfunction
(Rear Wheel)
Pe r for m t h e d ia g -
nosis according to
DTC.
Replace the TCM.
trol Module
(TCM).>
Page 2171 of 2453
5AT(diag)-54
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
O: DTC P0741 TORQUE CONVERTER CLUTCH CIRCUIT PERFORMANCE OR
STUCK OFF
DTC DETECTING CONDITION:
•Defective lock-up clutch or torque converter assembly
•Defective control valve
•Defective turbine speed sensor 1 or 2
TROUBLE SYMPTOM:
No lock-up occurs. (After engine is warmed-up)
Step Check Yes No
1CHECK DTC OF TCM.Is any DTC of the followings
detected? P0715, P0725,
P0753, P0758, P0763, P0768,
P0773, P0751, P0756, P0761,
P0766, P0771, P1710, P1718,
P1798, P1799
Pe r for m t h e d ia g -
nosis according to
each DTC.
Go to step 2.
2DRIVING CHECK FOR LOCK-UP CONDI-
TION
1) Perform a drive check based on the inspec-
tion mode with the following conditions.
Mode.>
(1) Read the current data of throttle open-
ing angle using Subaru Select Monitor.
tor.>
(2) Keep the same vehicle speed at 60 km/
h with 10% or less throttle opening angle
which is read currently on Subaru Select
Monitor.
Select Monitor.>
(3) Read the current data of L/U solenoid
target pressure using Subaru Select Moni-
tor.
Monitor.>
(4) Check the engine speed and turbine
speed when the L/U solenoid target value
displayed on Subaru Select Monitor is 500
kPa or more.
Are the engine speed and tur-
bine speed almost the same?
Te m p o r a r y p o o r
contact or open
circuit occurs.
Recheck that the
harness connec-
tor has no faulty.
Go to step 3.
Page 2172 of 2453
5AT(diag)-55
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
3DRIVING CHECK FOR LOCK-UP CONDI-
TION
1) Clear the memory.
2) Perform a drive check based on the inspec-
tion mode with the following conditions.
Mode.>
(1) Read the current data of throttle open-
ing angle using Subaru Select Monitor.
tor.>
(2) Keep the same vehicle speed at 60 km/
h with 10% or less throttle opening angle
which is read currently on Subaru Select
Monitor.
Select Monitor.>
(3) Read the current data of L/U solenoid
target pressure using Subaru Select Moni-
tor.
Monitor.>
(4) Drive the vehicle continuously for one
minutes or more with the L/U solenoid tar-
get value displayed on Subaru Select Moni-
tor at 500 kPa or more.
3) Turn the ignition switch to OFF.
4) Turn the ignition switch to ON. (Engine ON)
5) Perform the step 2) again.
Is DTC P0741 displayed with
the SPORT indicator light
blinking?
Replace the trans-
mission assembly
when DTC P0741
is displayed.
When DTC other
than P0741 is dis-
played, perform
the diagnosis cor-
responding to the
DTC.
Te m p o r a r y p o o r
contact or open
circuit occurs.
Recheck that the
harness connec-
tor has no faulty.
Step Check Yes No
Page 2173 of 2453
5AT(diag)-56
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
P: DTC P0743 TORQUE CONVERTER CLUTCH CIRCUIT ELECTRICAL
DTC DETECTING CONDITION:
The output signal circuit of lock up solenoid is open or shorted.
TROUBLE SYMPTOM:
No lock-up occurs. (After engine is warmed-up)
WIRING DIAGRAM:
AT-02076
B54
23
B11
T4
TCM
B54
B11
125678
131415169101112
34
17181920
TRANSMISSION
12789563410 11 1219 20 2113 14 15 16 17 18222324
6T6
12586910 113412
T6
7
20
514
E