Subaru IMPREZA 2002 Service Manual page 194

I
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step
CHECK OUTPUT SIGNAL EMITTED FROM
TCM USING SUBARU SELECT MONITOR.
1)Connect the connectors to TCM and trans-
mission.
2)Connect the Subaru Select Monitor to data
link connector.
3)Turn the ignition switch to ON (engine OFF)
and turn the Subaru Select Monitor switch to
ON.
4)Move the select lever to "D" with throttle fully
open (vehicle speed 0 km/h or 0 MPH).
5)Read the data of transfer duty solenoid using
Subaru Select Monitor.
*Transfer duty solenoid is indicated in
" O h " .
CHECK OUTPUT SIGNAL EMITTED FROM
TCM USING SUBARU SELECT MONITOR.
1)Move the select lever to "D" with throttle fully
closed (vehicle speed 0 km/h or 0 MPH).
2)Rear the data of transfer duty solenoid using
Subaru Select Monitor.
*Transfer duty solenoid is indicated in "%".
I
CHECK OUTPUT SIGNAL EMITTED FROM
TCM USING SUBARU SELECT MONITOR.
1)Connect connectors to TCM and transmis-
sion.
2)Connect Subaru Select Monitor to data link
connector.
3)Turn ignition switch to ON (engine OFF) and
turn Subaru Select Monitor switch to ON.
4)Move select lever to " D with throttle fully
open (vehicle speed 0 km/h or 0 MPH).
5)Read data of transfer duty solenoid using
Subaru Select Monitor.
*Transfer duty solenoid is indicated in 'Yo".
CHECK OUTPUT SIGNAL EMllTED FROM
TCM USING SUBARU SELECT MONITOR.
1)Move select lever to "N" with throttle fully
close (vehicle speed 0 km/h or 0 MPH).
2)Rear data of transfer duty solenoid using
Subaru Select Monitor.
*Transfer duty solenoid is indicated in
"Yo".
Check
s the value between 5 and
I O%?
s
the value between approx.
SO% and approx. 70%?
s
the value between 80 and
)5%?
s
the value approx. 40%?
Yes
Go to step 9.
Even if the AT OIL
TEMP warning
lights up, the cir-
cuit has returned
to a normal condi-
tion at this time. A
temporary poor
contact of the con-
nector or harness
may be the cause.
Repair harness or
connector in the
TCM and trans-
mission.
Go to step 11.
Even if the AT OIL
TEMP warning
lights up, the cir-
cuit has returned
to a normal condi-
tion at this time. A
temporary poor
contact of the con-
nector or harness
may be the cause.
Repair harness or
connector in the
transfer duty sole-
noid and TCM
connector.
No
30 to step 12.
30 to step 12.
30 to step 12.
30 to step 12.
AT-I 02