4AT(diag)-25
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
SPORT Indicator Light Display
Step
Check
Yes
No
1
CHECK SPORT INDICATOR LIGHT.
Turn the ignition switch to ON.
Does the SPORT indicator
light illuminate?
Go to step 2.
Perform the self-
diagnosis of com-
bination meter.
2
CHECK SPORT INDICATOR LIGHT.
After the ignition switch is ON, wait for at least
2 seconds.
Does the SPORT indicator
light illuminate?
Go to step 3.
Go to step 4.
3
CHECK SPORT INDICATOR LIGHT.
Start the engine.
Does the SPORT indicator
light go off?
Normal. Go back
to “Basic Diagnos-
tic Procedure”.
<Ref. to 4AT(diag)-
2, Basic Diagnos-
tic Procedure.>
Go to step 7.
4
CHECK SUBARU SELECT MONITOR COM-
MUNICATION.
Connect the Subaru Select Monitor to data link
connector.
Is the communication between
Subaru Select Monitor and
TCM normal?
Go to step 5.
Check the power
supply ground cir-
cuit of TCM and
Subaru Select
Monitor communi-
cation. <Ref. to
4AT(diag)-26,
Diagnostic Proce-
dure for Subaru
Select Monitor
Communication.>
5
CHECK TCM.
Display the current data of TCM using Subaru
Select Monitor.
Is the “Diagnosis Lamp” out-
put signal “ON”?
Go to step 6.
Replace the TCM.
<Ref. to 4AT-66,
Transmission Con-
trol Module
(TCM).>
6
CHECK BODY INTEGRATED MODULE.
Display the current data of body integrated
module using Subaru Select Monitor. <Ref. to
LAN(diag)-14, OPERATION, Subaru Select
Monitor.>
Is the “SPORT Lamp” input
signal “Illuminate”?
Replace the com-
bination meter
assembly. <Ref. to
IDI-15, Combina-
tion Meter.>
Check DTC of
body integrated
module. <Ref. to
LAN(diag)-14,
OPERATION,
Subaru Select
Monitor.>
7
CHECK TCM.
Display the current data of TCM using Subaru
Select Monitor. <Ref. to 4AT(diag)-16, OPERA-
TION, Subaru Select Monitor.>
Is the “Diagnosis Lamp” out-
put signal “ON”?
Replace the TCM.
<Ref. to 4AT-66,
Transmission Con-
trol Module
(TCM).>
Go to step 8.
8
CHECK BODY INTEGRATED MODULE.
Display the current data of body integrated
module using Subaru Select Monitor. <Ref. to
LAN(diag)-14, OPERATION, Subaru Select
Monitor.>
Is the “SPORT Lamp” input
signal “Illuminate”?
Check DTC of
body integrated
module. Perform
the diagnosis
according to DTC.
<Ref. to
LAN(diag)-14,
OPERATION,
Subaru Select
Monitor.>
Perform the self-
diagnosis for com-
bination meter.
<Ref. to IDI-3,
INSPECTION,
Combination
Meter System.>