IM-2
IMMOBILIZER (DIAGNOSTIC)
Basic Diagnostic Procedure
1. Basic Diagnostic Procedure
A: PROCEDURE
Step
Check
Yes
No
1
CHECK ILLUMINATION OF IMMOBILIZER
WARNING LIGHT.
1) Turn the ignition switch to OFF or ACC
position.
2) Wait at least 60 seconds.
Does the immobilizer warning
light blink?
Check the immobi-
lizer warning light
circuit. <Ref. to IM-
10, CHECK
IMMOBILIZER
WARNING CIR-
CUIT, INSPEC-
TION, Diagnostics
Chart for Immobi-
lizer Warning
Light.>
2
CHECK ILLUMINATION OF IMMOBILIZER
WARNING LIGHT.
Remove the key from ignition switch.
Does the immobilizer warning
light begin to blink within 1 sec-
ond after the key is removed?
Check the key
switch circuit.
<Ref. to IM-12,
CHECK KEY
WARNING
SWITCH CIR-
CUIT, INSPEC-
TION, Diagnostics
Chart for Immobi-
lizer Warning
Light.>
3
CHECK ENGINE START.
Turn the ignition switch to START position.
Does the engine start?
4
CHECK ILLUMINATION OF IMMOBILIZER
WARNING LIGHT.
Turn the ignition switch to ON.
Does the immobilizer warning
light illuminate?
Check the immobi-
lizer warning light
circuit. <Ref. to IM-
10, CHECK
IMMOBILIZER
WARNING CIR-
CUIT, INSPEC-
TION, Diagnostics
Chart for Immobi-
lizer Warning
Light.>
Immobilizer sys-
tem is normal.
5
CHECK INDICATION OF DTC ON DISPLAY.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector. <Ref. to IM-7, Subaru Select
Monitor.>
3) Turn the ignition switch and Subaru Select
Monitors witch to ON.
4) Read any DTC on the display.
Are DTCs indicated on dis-
play?
Repair the related
parts.
6
PERFORM THE DIAGNOSIS.
1) Inspect using “Diagnostics Chart with Trou-
ble Code”. <Ref. to IM-15, Diagnostics Proce-
dure with Diagnostic Trouble Code (DTC).>
2) Repair the trouble cause.
3) Perform the clear memory mode.
4) Read any DTC again.
Are DTCs indicated on dis-
play?
Inspect using
“Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC)”. <Ref. to
IM-15, Diagnos-
tics Procedure
with Diagnostic
Trouble Code
(DTC).>
Finish the diag-
nostics.
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