Subaru Legacy 2002 Service Manual page 1790

7. Read Diagnostic Trouble Code (DTC)
A: OPERATION
1. WITHOUT SUBARU SELECT MONITOR
No.
1 PERFORM READ DIAGNOSTIC TROUBLE
CODE (DTC).
1) Warm-up the engine.
2) Turn ignition switch to OFF.
3) Turn ignition switch to ON.
4) Start the engine.
5) Drive vehicle at speeds greater than 20
km/h (12 MPH).
6) Stop vehicle.
7) Brake pedal depressed and move select
lever to 1 range.
8) Turn ignition switch to OFF.
9) Turn ignition switch to ON.
10) Move select lever 2 range.
11) Move select lever 1 range.
12) Move select lever 2 range.
13) Move select lever 3 range.
14) Move select lever D range.
2 CHECK INDICATOR LIGHT.
3 CHECK INDICATOR LIGHT.
4 CHECK INDICATOR LIGHT.
READ DIAGNOSTIC TROUBLE CODE (DTC)
S004792A16
Step
S004792
S004792A1601
Check
Does indicator light blinks
at 4-Hz intervals? NOTE:
Blinks every 0.125 (1/8)
seconds (until ignition
switch is turned OFF).
Does indicator light blinks
at 2-Hz intervals?
NOTE:
Blinks every 0.25 (1/4) sec-
onds (until ignition switch is
turned OFF).
Is DTC outputted?
Does indicator light
remains illuminated?
AT-21
Automatic Transmission (Diagnostics)
Yes
Repair power sup- Go to step 2.
ply and ground
circuit.<Ref. to
AT-32, CHECK
POWER SUPPLY
AND GROUND
LINE, Diagnostic
Procedure for
Power Indicator
Light.>
AT system is nor- Go to step 3.
mal.
Inspect problem Go to step 4.
corresponding
with DTC.
NOTE:
Record all DTCs.
Repair power indi- Calling up trouble
cator light circuit code again.
<Ref. to AT-28,
Diagnostic Proce-
dure for POWER
Indicator Light.>,
or Inspect inhibitor
switch, wiring,
TCM, etc.
No