1. Basic Diagnostic Procedure
S009501
A: PROCEDURE S009501E45
No. Step Check Yes No
1 CHECK ILLUMINATION OF IMMOBILIZER
INDICATOR LIGHT.
Turn ignition switch ON.
Does immobilizer indicator
light illuminate? Go to step 2. Go to step 3.
2 CHECK ENGINE START.
Turn ignition switch to START position. Is the engine hard to start? Go to step 5. Go to step 3.
3 CHECK ILLUMINATION OF IMMOBILIZER
INDICATOR LIGHT.
1) Turn ignition switch to OFF or ACC posi-
tion.
2) Wait at least 60 seconds.
Does immobilizer indicator
light blink? Go to step 4. Check immobilizer
indicator light cir-
cuit. <Ref. to
IM-19, CHECK
IMMOBILIZER
INDICATOR
CIRCUIT,
INSPECTION,
Diagnostics Chart
for Immobilizer
Indicator Light.>
4 CHECK ILLUMINATION OF IMMOBILIZER
INDICATOR LIGHT.
Remove key from ignition switch.
Does immobilizer indicator
light begin to blink 5 sec-
onds after the key is
removed?
The immobilizer
system is OK. Check key switch
circuit. <Ref. to
IM-22, CHECK
KEY SWITCH
CIRCUIT,
INSPECTION,
Diagnostics Chart
for Immobilizer
Indicator Light.>
5 CHECK INDICATION OF DTC ON DISPLAY.
1) Turn ignition switch OFF.
2) Connect the Subaru Select Monitor to data
link connector. <Ref. to IM-14, OPERATION,
Subaru Select Monitor.>
3) Turn ignition switch and Subaru Select
Monitor switch ON.
4) Read DTC on the display.
Is trouble code indicated on
display? Go to step 6. Repair the related
parts.
6 PERFORM THE DIAGNOSIS.
1) Inspect using “Diagnostics Chart with
Trouble Code”. <Ref. to IM-26, Diagnostics
Chart with Trouble Code.>
2) Repair the trouble cause.
3) Perform clear memory mode.
4) Read DTC again.
Is trouble code indicated on
display? Inspect using
“Diagnostic Chart
with Trouble
Code”. <Ref. to
IM-26, Diagnos-
tics Chart with
Trouble Code.>
Finish the diag-
nostics.
IM-2
BASIC DIAGNOSTIC PROCEDURE
Immobilizer (Diagnostics)
