Subaru LEGACY 2006 Manual page 3405

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AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step
1 CHECK SPORT INDICATOR LIGHT.
Turn the ignition switch to ON.
2 CHECK SPORT INDICATOR LIGHT.
After the ignition switch is ON, wait for at least
2 seconds.
3 CHECK SPORT INDICATOR LIGHT.
Start the engine.
4 CHECK SUBARU SELECT MONITOR COM-
MUNICATION.
Connect the Subaru Select Monitor to the data
link connector.
5 CHECK TCM.
Display the current data of TCM using Subaru
Select Monitor.
6 CHECK THE BODY INTEGRATED UNIT.
Display the current data of body integrated unit
using Subaru Select Monitor.<Ref. to
LAN(diag)-12, OPERATION, Subaru Select
Monitor.>
7 CHECK TCM.
Display the current data of TCM using Subaru
Select Monitor. <Ref. to 4AT(diag)-14, OPERA-
TION, Subaru Select Monitor.>
8 CHECK THE BODY INTEGRATED UNIT.
Display the current data of body integrated unit
using Subaru Select Monitor.<Ref. to
LAN(diag)-12, OPERATION, Subaru Select
Monitor.>
SPORT Indicator Light Display
Check
Does the SPORT indicator
light illuminate?
Does the SPORT indicator
light illuminate?
Does the SPORT indicator
light go off?
Is the communication between
Subaru Select Monitor and
TCM normal?
Is the "Diagnosis Light" output
signal "ON"?
Is the "SPORT indicator light"
input signal "Illuminate"?
Is the "Diagnosis Light" output
signal "ON"?
Is the "SPORT indicator light"
input signal "Illuminate"?
4AT(diag)-22
Yes No
Go to step 2. Perform the self-
diagnosis of com-
bination meter.
Go to step 3. Go to step 4.
Go to step 7.
Normal. Go back
to "Basic Diagnos-
tic Procedure".
<Ref. to 4AT(diag)-
2, Basic Diagnos-
tic Procedure.>
Go to step 5. Check the power
supply ground cir-
cuit of TCM and
Subaru Select
Monitor communi-
cation.<Ref. to
4AT(diag)-23,
Diagnostic Proce-
dure for Subaru
Select Monitor
Communication.>
Go to step 6. Replace the TCM.
<Ref. to 4AT-62,
Transmission Con-
trol Module
(TCM).>
Replace the com- Check DTC of
bination meter body integrated
assembly. <Ref. to unit. <Ref. to
IDI-14, Combina- LAN(diag)-12,
tion Meter.> OPERATION,
Subaru Select
Monitor.>
Replace the TCM. Go to step 8.
<Ref. to 4AT-62,
Transmission Con-
trol Module
(TCM).>
Check DTC of Perform the self-
body integrated diagnosis of com-
unit. Perform the bination meter.
diagnosis accord- <Ref. to IDI-3,
ing to DTC. <Ref. INSPECTION,
to LAN(diag)-12, Combination
OPERATION, Meter System.>
Subaru Select
Monitor.>