Subaru Legacy 2003 Service Manual page 650

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
6 CHECK INHIBITOR SWITCH CIRCUIT.
Check inhibitor switch circuit.
Is there any trouble in inhibitor switch circuit?
<Ref. to AT-132, CHECK INHIBITOR
SWITCH., Diagnostic Procedure for No-diag-
nostic Trouble Code (DTC).>
7 CHECK BRAKE LIGHT SWITCH CIRCUIT.
Check brake light switch circuit.
Is there any trouble in brake light switch cir-
cuit?
<Ref. to AT-125, CHECK BRAKE SWITCH.,
Diagnostic Procedure for No-diagnostic Trou-
ble Code (DTC).>
8 CHECK ATF TEMPERATURE SENSOR CIR-
CUIT.
Check ATF temperature sensor circuit.
Is there any trouble in ATF temperature sensor
circuit?
<Ref. to AT-48, DTC 27 ATF TEMPERATURE
SENSOR, Diagnostic Procedure with Diagnos-
tic Trouble Code (DTC).>
9 CHECK POOR CONTACT.
Check poor contact in TCM connector.
Is there poor contact in TCM connector?
10 CHECK MECHANICAL TROUBLE.
Check mechanical trouble in automatic trans-
mission.
Is there any mechanical trouble in automatic
transmission?
Value
There is a fault.
There is a fault.
There is a fault.
There is poor contact.
There is mechanical trouble.
EN(H4SO)-253
ENGINE (DIAGNOSTICS)
Yes
Repair or replace Go to step 7.
inhibitor switch cir-
cuit.
Repair or replace Go to step 8.
brake light switch
circuit.
Repair or replace Go to step 9.
ATF temperature
sensor circuit.
Repair poor con- Go to step 10.
tact in TCM con-
nector.
Repair or replace Replace TCM.
automatic trans- <Ref. to AT-76,
mission. <Ref. to Transmission Con-
AT-32, INSPEC- trol Module
TION, Road Test.> (TCM).>
No